diff --git a/locale/en/LC_MESSAGES/django.po b/locale/en/LC_MESSAGES/django.po
index 6ff362e386..52ef136c15 100644
--- a/locale/en/LC_MESSAGES/django.po
+++ b/locale/en/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-01-12 18:04+0800\n"
+"POT-Creation-Date: 2018-03-17 12:58+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -61,8 +61,8 @@ msgstr ""
 
 #: seahub/api2/endpoints/admin/default_library.py:31
 #: seahub/api2/endpoints/admin/default_library.py:32
-#: seahub/views/__init__.py:664 seahub/views/__init__.py:665
-#: seahub/views/__init__.py:670 seahub/views/__init__.py:671
+#: seahub/views/__init__.py:632 seahub/views/__init__.py:633
+#: seahub/views/__init__.py:638 seahub/views/__init__.py:639
 msgid "My Library"
 msgstr ""
 
@@ -84,22 +84,30 @@ msgstr ""
 msgid "User %s is already group owner."
 msgstr ""
 
-#: seahub/api2/endpoints/admin/libraries.py:219 seahub/views/sysadmin.py:1816
+#: seahub/api2/endpoints/admin/libraries.py:219 seahub/views/sysadmin.py:1725
 msgid "System library can not be deleted."
 msgstr ""
 
-#: seahub/api2/endpoints/admin/shares.py:166
+#: seahub/api2/endpoints/admin/shares.py:181
 #, python-format
 msgid "User %s is already library owner."
 msgstr ""
 
-#: seahub/api2/endpoints/admin/shares.py:174
+#: seahub/api2/endpoints/admin/shares.py:189
 #: seahub/api2/endpoints/invitations.py:49
 #: seahub/api2/endpoints/invitations.py:106
 #, python-format
 msgid "Email %s invalid."
 msgstr ""
 
+#: seahub/api2/endpoints/admin/shares.py:207
+#: seahub/api2/endpoints/admin/shares.py:264
+#: seahub/api2/endpoints/dir_shared_items.py:327
+#: seahub/api2/endpoints/dir_shared_items.py:426
+#, python-format
+msgid "This item has been shared to %s."
+msgstr ""
+
 #: seahub/api2/endpoints/admin/users_batch.py:76
 msgid "must be an integer that is greater than or equal to 0."
 msgstr ""
@@ -121,7 +129,7 @@ msgstr ""
 #: seahub/api2/endpoints/file.py:262 seahub/api2/endpoints/file.py:342
 #: seahub/api2/endpoints/file.py:458 seahub/api2/endpoints/file.py:541
 #: seahub/api2/endpoints/file.py:603 seahub/views/ajax.py:445
-#: seahub/views/ajax.py:516 seahub/views/file.py:1174
+#: seahub/views/ajax.py:516 seahub/views/file.py:1184
 msgid "File is locked"
 msgstr ""
 
@@ -133,21 +141,15 @@ msgstr ""
 msgid "username invalid."
 msgstr ""
 
-#: seahub/api2/endpoints/dir_shared_items.py:320 seahub/oauth/views.py:170
+#: seahub/api2/endpoints/dir_shared_items.py:320 seahub/oauth/views.py:175
 #, python-format
 msgid "User %s not found."
 msgstr ""
 
-#: seahub/api2/endpoints/dir_shared_items.py:327
-#: seahub/api2/endpoints/dir_shared_items.py:426
-#, python-format
-msgid "This item has been shared to %s."
-msgstr ""
-
 #: seahub/api2/endpoints/file_tag.py:44 seahub/group/views.py:364
-#: seahub/views/__init__.py:984 seahub/views/ajax.py:1126
-#: seahub/views/ajax.py:1130 seahub/views/file.py:1171
-#: seahub/views/sysadmin.py:2028 seahub/views/wiki.py:136
+#: seahub/views/__init__.py:954 seahub/views/ajax.py:1094
+#: seahub/views/ajax.py:1098 seahub/views/file.py:1181
+#: seahub/views/sysadmin.py:1937 seahub/views/wiki.py:136
 msgid "Internal Server Error"
 msgstr ""
 
@@ -155,7 +157,7 @@ msgstr ""
 #: seahub/group/views.py:451
 #: seahub/templates/sysadmin/sys_useradmin_admins.html:90
 #: seahub/thumbnail/views.py:52 seahub/thumbnail/views.py:164
-#: seahub/views/__init__.py:821 seahub/views/ajax.py:224
+#: seahub/views/__init__.py:789 seahub/views/ajax.py:224
 #: seahub/views/ajax.py:817 seahub/views/wiki.py:203
 msgid "Permission denied."
 msgstr ""
@@ -168,14 +170,14 @@ msgid "Tag can only contain letters, numbers, dot, hyphen or underscore."
 msgstr ""
 
 #: seahub/api2/endpoints/group_members.py:93
-#: seahub/api2/endpoints/group_members.py:289 seahub/views/ajax.py:1318
+#: seahub/api2/endpoints/group_members.py:289 seahub/views/ajax.py:1286
 #, python-format
 msgid "User %s is already a group member."
 msgstr ""
 
 #: seahub/api2/endpoints/group_members.py:99
-#: seahub/api2/endpoints/group_members.py:298 seahub/api2/views.py:1288
-#: seahub/views/ajax.py:1327
+#: seahub/api2/endpoints/group_members.py:298 seahub/api2/views.py:1338
+#: seahub/views/ajax.py:1295
 #, python-format
 msgid "User %s not found in organization."
 msgstr ""
@@ -202,21 +204,21 @@ msgstr ""
 #: seahub/templates/sysadmin/sys_statistic_file.html:96
 #: seahub/templates/sysadmin/sys_statistic_storage.html:96
 #: seahub/templates/sysadmin/sys_statistic_user.html:96
-#: seahub/templates/view_shared_upload_link.html:81
+#: seahub/templates/view_shared_upload_link.html:82
+#: seahub/templates/view_shared_upload_link.html:195
 msgid "Error"
 msgstr ""
 
-#: seahub/api2/endpoints/repo_set_password.py:48 seahub/api2/views.py:3197
+#: seahub/api2/endpoints/repo_set_password.py:48 seahub/api2/views.py:3247
 msgid "Wrong password"
 msgstr ""
 
-#: seahub/api2/endpoints/repo_set_password.py:51 seahub/api2/views.py:3200
-#: seahub/views/__init__.py:451 seahub/views/ajax.py:680
-#: seahub/views/sysadmin.py:2213
+#: seahub/api2/endpoints/repo_set_password.py:51 seahub/api2/views.py:3250
+#: seahub/views/ajax.py:680 seahub/views/sysadmin.py:2122
 msgid "Internal server error"
 msgstr ""
 
-#: seahub/api2/endpoints/repo_set_password.py:54 seahub/api2/views.py:3203
+#: seahub/api2/endpoints/repo_set_password.py:54 seahub/api2/views.py:3253
 msgid "Decrypt library error"
 msgstr ""
 
@@ -225,8 +227,7 @@ msgid "Wrong old password"
 msgstr ""
 
 #: seahub/api2/endpoints/send_share_link_email.py:32
-#: seahub/api2/endpoints/send_upload_link_email.py:31
-#: seahub/share/views.py:134
+#: seahub/api2/endpoints/send_upload_link_email.py:31 seahub/share/views.py:134
 msgid ""
 "Sending shared link failed. Email service is not properly configured, please "
 "contact administrator."
@@ -236,31 +237,27 @@ msgstr ""
 msgid "file"
 msgstr ""
 
-#: seahub/api2/endpoints/send_share_link_email.py:100
-#: seahub/share/views.py:186
+#: seahub/api2/endpoints/send_share_link_email.py:100 seahub/share/views.py:186
 #, python-format
 msgid "A file is shared to you on %s"
 msgstr ""
 
-#: seahub/api2/endpoints/send_share_link_email.py:102
-#: seahub/share/views.py:192
+#: seahub/api2/endpoints/send_share_link_email.py:102 seahub/share/views.py:192
 msgid "directory"
 msgstr ""
 
-#: seahub/api2/endpoints/send_share_link_email.py:103
-#: seahub/share/views.py:193
+#: seahub/api2/endpoints/send_share_link_email.py:103 seahub/share/views.py:193
 #, python-format
 msgid "A directory is shared to you on %s"
 msgstr ""
 
-#: seahub/api2/endpoints/send_upload_link_email.py:94
-#: seahub/share/views.py:305
+#: seahub/api2/endpoints/send_upload_link_email.py:94 seahub/share/views.py:305
 #, python-format
 msgid "An upload link is shared to you on %s"
 msgstr ""
 
-#: seahub/api2/endpoints/share_link_zip_task.py:95
-#: seahub/views/__init__.py:968
+#: seahub/api2/endpoints/share_link_zip_task.py:100
+#: seahub/views/__init__.py:938
 #, python-format
 msgid "Unable to download directory \"%s\": size is too large."
 msgstr ""
@@ -269,7 +266,7 @@ msgstr ""
 msgid "Password is too short."
 msgstr ""
 
-#: seahub/api2/endpoints/upload_links.py:142
+#: seahub/api2/endpoints/upload_links.py:143
 #: seahub/templates/snippets/repo_create_js.html:50
 #: seahub/templates/snippets/shared_link_js.html:139
 msgid "Password is too short"
@@ -318,7 +315,7 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:46
 #: seahub/templates/js/sysadmin-templates.html:192
 #: seahub/templates/js/sysadmin-templates.html:611
-#: seahub/templates/js/sysadmin-templates.html:804
+#: seahub/templates/js/sysadmin-templates.html:832
 #: seahub/templates/js/templates.html:379
 #: seahub/templates/js/templates.html:1402
 #: seahub/templates/sysadmin/base.html:56
@@ -348,13 +345,12 @@ msgstr ""
 msgid "Email or Username"
 msgstr ""
 
-#: seahub/auth/forms.py:28 seahub/auth/forms.py:215
-#: seahub/base/accounts.py:686
+#: seahub/auth/forms.py:28 seahub/auth/forms.py:215 seahub/base/accounts.py:686
 #: seahub/invitations/templates/invitations/token_view.html:13
 #: seahub/profile/templates/profile/set_profile.html:16
 #: seahub/profile/templates/profile/set_profile.html:85
 #: seahub/templates/file_edit.html:131
-#: seahub/templates/js/lib-op-popups.html:108
+#: seahub/templates/js/lib-op-popups.html:109
 #: seahub/templates/js/templates.html:39
 #: seahub/templates/js/templates.html:1039
 #: seahub/templates/js/templates.html:1112
@@ -366,7 +362,7 @@ msgstr ""
 #: seahub/templates/sysadmin/sys_org_admin.html:32
 #: seahub/templates/sysadmin/sys_org_info_user.html:71
 #: seahub/templates/sysadmin/sys_useradmin.html:61
-#: seahub/views/sysadmin.py:1984
+#: seahub/views/sysadmin.py:1893
 msgid "Password"
 msgstr ""
 
@@ -441,23 +437,23 @@ msgstr ""
 msgid "Enter a valid e-mail address."
 msgstr ""
 
-#: seahub/auth/views.py:140
+#: seahub/auth/views.py:143
 msgid "This account has been frozen due to too many failed login attempts."
 msgstr ""
 
-#: seahub/auth/views.py:260
+#: seahub/auth/views.py:263
 msgid "Logged out"
 msgstr ""
 
-#: seahub/auth/views.py:308
+#: seahub/auth/views.py:311
 msgid "Failed to send email, please contact administrator."
 msgstr ""
 
-#: seahub/auth/views.py:369
+#: seahub/auth/views.py:372
 msgid "Can not update password, please contact LDAP admin."
 msgstr ""
 
-#: seahub/avatar/models.py:138 seahub/avatar/models.py:166
+#: seahub/avatar/models.py:144 seahub/avatar/models.py:172
 #, python-format
 msgid "Avatar for %s"
 msgstr ""
@@ -536,8 +532,7 @@ msgstr ""
 msgid "This value must be of length 40"
 msgstr ""
 
-#: seahub/base/accounts.py:698 seahub/forms.py:30
-#: seahub/views/sysadmin.py:2039
+#: seahub/base/accounts.py:698 seahub/forms.py:30 seahub/views/sysadmin.py:1948
 msgid "The number of users exceeds the limit."
 msgstr ""
 
@@ -581,14 +576,14 @@ msgstr ""
 #: seahub/institutions/templates/institutions/useradmin_search.html:19
 #: seahub/invitations/templates/invitations/token_view.html:10
 #: seahub/share/templates/share/share_link_audit.html:9
-#: seahub/templates/js/sysadmin-templates.html:827
-#: seahub/templates/js/sysadmin-templates.html:879
-#: seahub/templates/js/sysadmin-templates.html:937
-#: seahub/templates/js/sysadmin-templates.html:977
-#: seahub/templates/js/templates.html:1906
-#: seahub/templates/js/templates.html:1914
-#: seahub/templates/js/templates.html:2492
-#: seahub/templates/js/templates.html:2524
+#: seahub/templates/js/sysadmin-templates.html:855
+#: seahub/templates/js/sysadmin-templates.html:907
+#: seahub/templates/js/sysadmin-templates.html:965
+#: seahub/templates/js/sysadmin-templates.html:1005
+#: seahub/templates/js/templates.html:1913
+#: seahub/templates/js/templates.html:1921
+#: seahub/templates/js/templates.html:2499
+#: seahub/templates/js/templates.html:2531
 #: seahub/templates/registration/registration_form.html:22
 #: seahub/templates/sysadmin/sys_inst_info_admins.html:15
 #: seahub/templates/sysadmin/sys_inst_info_user.html:23
@@ -603,7 +598,7 @@ msgstr ""
 #: seahub/templates/sysadmin/useradmin_table.html:6
 #: seahub/templates/sysadmin/useradmin_table.html:10
 #: seahub/templates/sysadmin/userinfo.html:36 seahub/views/sysadmin.py:324
-#: seahub/views/sysadmin.py:328 seahub/views/sysadmin.py:1984
+#: seahub/views/sysadmin.py:328 seahub/views/sysadmin.py:1893
 msgid "Email"
 msgstr ""
 
@@ -631,24 +626,24 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:644
 #: seahub/templates/js/sysadmin-templates.html:653
 #: seahub/templates/js/sysadmin-templates.html:670
-#: seahub/templates/js/sysadmin-templates.html:840
-#: seahub/templates/js/sysadmin-templates.html:878
+#: seahub/templates/js/sysadmin-templates.html:868
+#: seahub/templates/js/sysadmin-templates.html:906
 #: seahub/templates/js/templates.html:5 seahub/templates/js/templates.html:409
 #: seahub/templates/js/templates.html:1607
 #: seahub/templates/js/templates.html:1633
 #: seahub/templates/js/templates.html:1641
 #: seahub/templates/js/templates.html:1649
 #: seahub/templates/js/templates.html:1675
-#: seahub/templates/js/templates.html:1764
-#: seahub/templates/js/templates.html:1783
-#: seahub/templates/js/templates.html:1905
-#: seahub/templates/js/templates.html:1913
-#: seahub/templates/js/templates.html:1993
-#: seahub/templates/js/templates.html:2012
-#: seahub/templates/js/templates.html:2243
-#: seahub/templates/js/templates.html:2360
-#: seahub/templates/js/templates.html:2394
-#: seahub/templates/js/templates.html:2429 seahub/templates/libraries.html:120
+#: seahub/templates/js/templates.html:1771
+#: seahub/templates/js/templates.html:1790
+#: seahub/templates/js/templates.html:1912
+#: seahub/templates/js/templates.html:1920
+#: seahub/templates/js/templates.html:2000
+#: seahub/templates/js/templates.html:2019
+#: seahub/templates/js/templates.html:2250
+#: seahub/templates/js/templates.html:2367
+#: seahub/templates/js/templates.html:2401
+#: seahub/templates/js/templates.html:2436 seahub/templates/libraries.html:120
 #: seahub/templates/registration/registration_form.html:18
 #: seahub/templates/repo_dir_recycle_view.html:44
 #: seahub/templates/repo_history_view.html:58
@@ -675,7 +670,7 @@ msgstr ""
 #: seahub/templates/wiki/personal_wiki.html:85
 #: seahub/templates/wiki/personal_wiki_pages.html:28
 #: seahub/views/sysadmin.py:324 seahub/views/sysadmin.py:328
-#: seahub/views/sysadmin.py:1178 seahub/views/sysadmin.py:1984
+#: seahub/views/sysadmin.py:1178 seahub/views/sysadmin.py:1893
 msgid "Name"
 msgstr ""
 
@@ -695,7 +690,7 @@ msgstr ""
 #: seahub/institutions/templates/institutions/useradmin.html:17
 #: seahub/institutions/templates/institutions/useradmin_search.html:20
 #: seahub/profile/templates/profile/set_profile.html:141
-#: seahub/templates/js/sysadmin-templates.html:979
+#: seahub/templates/js/sysadmin-templates.html:1007
 #: seahub/templates/sysadmin/sys_inst_info_admins.html:16
 #: seahub/templates/sysadmin/sys_inst_info_user.html:32
 #: seahub/templates/sysadmin/sys_inst_search_user.html:18
@@ -709,12 +704,12 @@ msgstr ""
 
 #: seahub/base/management/commands/export_users.py:43
 #: seahub/institutions/templates/institutions/user_info.html:113
-#: seahub/templates/js/sysadmin-templates.html:880
-#: seahub/templates/js/templates.html:1907
+#: seahub/templates/js/sysadmin-templates.html:908
+#: seahub/templates/js/templates.html:1914
 #: seahub/templates/sysadmin/sys_useradmin.html:52
 #: seahub/templates/sysadmin/useradmin_table.html:8
 #: seahub/templates/sysadmin/userinfo.html:323 seahub/views/sysadmin.py:324
-#: seahub/views/sysadmin.py:1985
+#: seahub/views/sysadmin.py:1894
 msgid "Role"
 msgstr ""
 
@@ -727,7 +722,7 @@ msgstr ""
 #: seahub/base/management/commands/export_users.py:44
 #: seahub/base/management/commands/export_users.py:48
 #: seahub/views/sysadmin.py:325 seahub/views/sysadmin.py:329
-#: seahub/views/sysadmin.py:1986
+#: seahub/views/sysadmin.py:1895
 msgid "Space Quota"
 msgstr ""
 
@@ -754,24 +749,30 @@ msgstr ""
 #: seahub/base/management/commands/export_users.py:49
 #: seahub/institutions/views.py:164 seahub/templates/base.html:79
 #: seahub/templates/base.html.py:82
-#: seahub/templates/js/sysadmin-templates.html:900
-#: seahub/templates/js/sysadmin-templates.html:904
-#: seahub/templates/js/sysadmin-templates.html:911
+#: seahub/templates/js/sysadmin-templates.html:713
+#: seahub/templates/js/sysadmin-templates.html:729
+#: seahub/templates/js/sysadmin-templates.html:734
+#: seahub/templates/js/sysadmin-templates.html:738
+#: seahub/templates/js/sysadmin-templates.html:786
+#: seahub/templates/js/sysadmin-templates.html:816
+#: seahub/templates/js/sysadmin-templates.html:928
+#: seahub/templates/js/sysadmin-templates.html:932
+#: seahub/templates/js/sysadmin-templates.html:939
 #: seahub/templates/js/templates.html:1174
 #: seahub/templates/js/templates.html:1204
 #: seahub/templates/js/templates.html:1438
 #: seahub/templates/js/templates.html:1454
 #: seahub/templates/js/templates.html:1459
 #: seahub/templates/js/templates.html:1463
-#: seahub/templates/js/templates.html:1941
-#: seahub/templates/js/templates.html:1945
+#: seahub/templates/js/templates.html:1948
 #: seahub/templates/js/templates.html:1952
-#: seahub/templates/js/templates.html:2214
-#: seahub/templates/js/templates.html:2217
-#: seahub/templates/js/templates.html:2272
-#: seahub/templates/js/templates.html:2277
-#: seahub/templates/js/templates.html:2286
-#: seahub/templates/js/templates.html:2294 seahub/views/sysadmin.py:326
+#: seahub/templates/js/templates.html:1959
+#: seahub/templates/js/templates.html:2221
+#: seahub/templates/js/templates.html:2224
+#: seahub/templates/js/templates.html:2279
+#: seahub/templates/js/templates.html:2284
+#: seahub/templates/js/templates.html:2293
+#: seahub/templates/js/templates.html:2301 seahub/views/sysadmin.py:326
 #: seahub/views/sysadmin.py:330 seahub/views/sysadmin.py:722
 msgid "Admin"
 msgstr ""
@@ -905,7 +906,7 @@ msgid "Recovered deleted directory"
 msgstr ""
 
 #: seahub/base/templatetags/seahub_tags.py:159
-#: seahub/base/templatetags/seahub_tags.py:228 seahub/views/ajax.py:1185
+#: seahub/base/templatetags/seahub_tags.py:228 seahub/views/ajax.py:1153
 msgid "Changed library name or description"
 msgstr ""
 
@@ -951,11 +952,14 @@ msgstr[1] ""
 
 #: seahub/base/templatetags/seahub_tags.py:460
 #: seahub/institutions/templates/institutions/user_info.html:77
-#: seahub/templates/js/sysadmin-templates.html:713
-#: seahub/templates/js/sysadmin-templates.html:722
-#: seahub/templates/js/sysadmin-templates.html:725
-#: seahub/templates/js/sysadmin-templates.html:761
-#: seahub/templates/js/sysadmin-templates.html:788
+#: seahub/templates/js/sysadmin-templates.html:716
+#: seahub/templates/js/sysadmin-templates.html:727
+#: seahub/templates/js/sysadmin-templates.html:732
+#: seahub/templates/js/sysadmin-templates.html:736
+#: seahub/templates/js/sysadmin-templates.html:743
+#: seahub/templates/js/sysadmin-templates.html:746
+#: seahub/templates/js/sysadmin-templates.html:783
+#: seahub/templates/js/sysadmin-templates.html:813
 #: seahub/templates/js/templates.html:28
 #: seahub/templates/js/templates.html:1171
 #: seahub/templates/js/templates.html:1201
@@ -969,18 +973,18 @@ msgstr[1] ""
 #: seahub/templates/js/templates.html:1531
 #: seahub/templates/js/templates.html:1690
 #: seahub/templates/js/templates.html:1697
-#: seahub/templates/js/templates.html:2084
-#: seahub/templates/js/templates.html:2130
-#: seahub/templates/js/templates.html:2275
-#: seahub/templates/js/templates.html:2281
-#: seahub/templates/js/templates.html:2284
-#: seahub/templates/js/templates.html:2292
-#: seahub/templates/js/templates.html:2300
-#: seahub/templates/js/templates.html:2303
+#: seahub/templates/js/templates.html:2091
+#: seahub/templates/js/templates.html:2137
+#: seahub/templates/js/templates.html:2282
+#: seahub/templates/js/templates.html:2288
+#: seahub/templates/js/templates.html:2291
+#: seahub/templates/js/templates.html:2299
+#: seahub/templates/js/templates.html:2307
 #: seahub/templates/js/templates.html:2310
-#: seahub/templates/js/templates.html:2333
-#: seahub/templates/js/templates.html:2336
+#: seahub/templates/js/templates.html:2317
+#: seahub/templates/js/templates.html:2340
 #: seahub/templates/js/templates.html:2343
+#: seahub/templates/js/templates.html:2350
 #: seahub/templates/sysadmin/sys_org_info_library.html:29
 #: seahub/templates/sysadmin/userinfo.html:199
 #: seahub/templates/sysadmin/userinfo.html:250
@@ -988,11 +992,14 @@ msgid "Read-Write"
 msgstr ""
 
 #: seahub/base/templatetags/seahub_tags.py:462
-#: seahub/templates/js/sysadmin-templates.html:715
-#: seahub/templates/js/sysadmin-templates.html:723
-#: seahub/templates/js/sysadmin-templates.html:726
-#: seahub/templates/js/sysadmin-templates.html:762
-#: seahub/templates/js/sysadmin-templates.html:789
+#: seahub/templates/js/sysadmin-templates.html:718
+#: seahub/templates/js/sysadmin-templates.html:728
+#: seahub/templates/js/sysadmin-templates.html:733
+#: seahub/templates/js/sysadmin-templates.html:737
+#: seahub/templates/js/sysadmin-templates.html:744
+#: seahub/templates/js/sysadmin-templates.html:747
+#: seahub/templates/js/sysadmin-templates.html:784
+#: seahub/templates/js/sysadmin-templates.html:814
 #: seahub/templates/js/templates.html:29
 #: seahub/templates/js/templates.html:1172
 #: seahub/templates/js/templates.html:1202
@@ -1005,18 +1012,18 @@ msgstr ""
 #: seahub/templates/js/templates.html:1506
 #: seahub/templates/js/templates.html:1532
 #: seahub/templates/js/templates.html:1698
-#: seahub/templates/js/templates.html:2085
-#: seahub/templates/js/templates.html:2131
-#: seahub/templates/js/templates.html:2276
-#: seahub/templates/js/templates.html:2285
-#: seahub/templates/js/templates.html:2289
-#: seahub/templates/js/templates.html:2293
-#: seahub/templates/js/templates.html:2304
-#: seahub/templates/js/templates.html:2307
+#: seahub/templates/js/templates.html:2092
+#: seahub/templates/js/templates.html:2138
+#: seahub/templates/js/templates.html:2283
+#: seahub/templates/js/templates.html:2292
+#: seahub/templates/js/templates.html:2296
+#: seahub/templates/js/templates.html:2300
 #: seahub/templates/js/templates.html:2311
-#: seahub/templates/js/templates.html:2337
-#: seahub/templates/js/templates.html:2340
+#: seahub/templates/js/templates.html:2314
+#: seahub/templates/js/templates.html:2318
 #: seahub/templates/js/templates.html:2344
+#: seahub/templates/js/templates.html:2347
+#: seahub/templates/js/templates.html:2351
 #: seahub/templates/sysadmin/userinfo.html:248
 msgid "Read-Only"
 msgstr ""
@@ -1085,7 +1092,7 @@ msgstr ""
 #: seahub/institutions/templates/institutions/useradmin_search.html:23
 #: seahub/notifications/templates/notifications/notification_list.html:23
 #: seahub/templates/file_revisions.html:42
-#: seahub/templates/js/sysadmin-templates.html:843
+#: seahub/templates/js/sysadmin-templates.html:871
 #: seahub/templates/repo_dir_recycle_view.html:47
 #: seahub/templates/repo_history.html:37 seahub/templates/repo_history.html:43
 #: seahub/templates/repo_history_view.html:60
@@ -1108,21 +1115,21 @@ msgstr ""
 #: seahub/contacts/templates/contacts/contact_list.html:29
 #: seahub/group/templates/group/group_wiki.html:22
 #: seahub/institutions/templates/institutions/useradmin.html:37
-#: seahub/templates/js/sysadmin-templates.html:718
-#: seahub/templates/js/sysadmin-templates.html:901
-#: seahub/templates/js/sysadmin-templates.html:908
+#: seahub/templates/js/sysadmin-templates.html:722
+#: seahub/templates/js/sysadmin-templates.html:929
+#: seahub/templates/js/sysadmin-templates.html:936
 #: seahub/templates/js/templates.html:951
 #: seahub/templates/js/templates.html:997
 #: seahub/templates/js/templates.html:1447
-#: seahub/templates/js/templates.html:1942
 #: seahub/templates/js/templates.html:1949
-#: seahub/templates/js/templates.html:2273
-#: seahub/templates/js/templates.html:2282
-#: seahub/templates/js/templates.html:2290
-#: seahub/templates/js/templates.html:2301
+#: seahub/templates/js/templates.html:1956
+#: seahub/templates/js/templates.html:2280
+#: seahub/templates/js/templates.html:2289
+#: seahub/templates/js/templates.html:2297
 #: seahub/templates/js/templates.html:2308
-#: seahub/templates/js/templates.html:2334
+#: seahub/templates/js/templates.html:2315
 #: seahub/templates/js/templates.html:2341
+#: seahub/templates/js/templates.html:2348
 #: seahub/templates/repo_history.html:81
 #: seahub/templates/sysadmin/sys_org_info_user.html:36
 #: seahub/templates/sysadmin/useradmin_table.html:48
@@ -1149,10 +1156,9 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:525
 #: seahub/templates/js/sysadmin-templates.html:590
 #: seahub/templates/js/sysadmin-templates.html:685
-#: seahub/templates/js/sysadmin-templates.html:731
-#: seahub/templates/js/sysadmin-templates.html:917
-#: seahub/templates/js/templates.html:66
-#: seahub/templates/js/templates.html:118
+#: seahub/templates/js/sysadmin-templates.html:753
+#: seahub/templates/js/sysadmin-templates.html:945
+#: seahub/templates/js/templates.html:66 seahub/templates/js/templates.html:118
 #: seahub/templates/js/templates.html:299
 #: seahub/templates/js/templates.html:455
 #: seahub/templates/js/templates.html:530
@@ -1163,10 +1169,10 @@ msgstr ""
 #: seahub/templates/js/templates.html:1086
 #: seahub/templates/js/templates.html:1134
 #: seahub/templates/js/templates.html:1478
-#: seahub/templates/js/templates.html:1816
-#: seahub/templates/js/templates.html:1963
-#: seahub/templates/js/templates.html:1968
-#: seahub/templates/js/templates.html:2567
+#: seahub/templates/js/templates.html:1823
+#: seahub/templates/js/templates.html:1970
+#: seahub/templates/js/templates.html:1975
+#: seahub/templates/js/templates.html:2574
 #: seahub/templates/snippets/file_share_popup.html:46
 #: seahub/templates/sysadmin/org_admin_table.html:25
 #: seahub/templates/sysadmin/sys_invitations_admin.html:49
@@ -1179,7 +1185,7 @@ msgstr ""
 #: seahub/templates/sysadmin/userinfo.html:218
 #: seahub/templates/sysadmin/userinfo.html:332
 #: seahub/templates/view_file_base.html:147
-#: seahub/templates/view_shared_upload_link.html:86
+#: seahub/templates/view_shared_upload_link.html:87
 msgid "Delete"
 msgstr ""
 
@@ -1222,17 +1228,17 @@ msgstr ""
 #: seahub/templates/js/lib-op-popups.html:28
 #: seahub/templates/js/lib-op-popups.html:38
 #: seahub/templates/js/lib-op-popups.html:67
-#: seahub/templates/js/lib-op-popups.html:109
-#: seahub/templates/js/lib-op-popups.html:128
+#: seahub/templates/js/lib-op-popups.html:110
+#: seahub/templates/js/lib-op-popups.html:129
 #: seahub/templates/js/sysadmin-templates.html:399
 #: seahub/templates/js/sysadmin-templates.html:411
 #: seahub/templates/js/sysadmin-templates.html:605
 #: seahub/templates/js/sysadmin-templates.html:646
 #: seahub/templates/js/sysadmin-templates.html:676
 #: seahub/templates/js/sysadmin-templates.html:695
-#: seahub/templates/js/sysadmin-templates.html:765
-#: seahub/templates/js/sysadmin-templates.html:792
-#: seahub/templates/js/sysadmin-templates.html:830
+#: seahub/templates/js/sysadmin-templates.html:790
+#: seahub/templates/js/sysadmin-templates.html:820
+#: seahub/templates/js/sysadmin-templates.html:858
 #: seahub/templates/js/templates.html:46 seahub/templates/js/templates.html:54
 #: seahub/templates/js/templates.html:953
 #: seahub/templates/js/templates.html:999
@@ -1244,23 +1250,23 @@ msgstr ""
 #: seahub/templates/js/templates.html:1509
 #: seahub/templates/js/templates.html:1535
 #: seahub/templates/js/templates.html:1680
-#: seahub/templates/js/templates.html:1755
-#: seahub/templates/js/templates.html:1871
-#: seahub/templates/js/templates.html:1880
-#: seahub/templates/js/templates.html:1888
-#: seahub/templates/js/templates.html:2049
-#: seahub/templates/js/templates.html:2089
-#: seahub/templates/js/templates.html:2102
-#: seahub/templates/js/templates.html:2135
-#: seahub/templates/js/templates.html:2148
-#: seahub/templates/js/templates.html:2166
-#: seahub/templates/js/templates.html:2527
-#: seahub/templates/js/templates.html:2553 seahub/templates/libraries.html:123
+#: seahub/templates/js/templates.html:1762
+#: seahub/templates/js/templates.html:1878
+#: seahub/templates/js/templates.html:1887
+#: seahub/templates/js/templates.html:1895
+#: seahub/templates/js/templates.html:2056
+#: seahub/templates/js/templates.html:2096
+#: seahub/templates/js/templates.html:2109
+#: seahub/templates/js/templates.html:2142
+#: seahub/templates/js/templates.html:2155
+#: seahub/templates/js/templates.html:2173
+#: seahub/templates/js/templates.html:2534
+#: seahub/templates/js/templates.html:2560 seahub/templates/libraries.html:123
 #: seahub/templates/libraries.html:186
 #: seahub/templates/registration/password_change_form.html:24
 #: seahub/templates/registration/password_reset_confirm.html:19
 #: seahub/templates/registration/password_reset_form.html:13
-#: seahub/templates/repo_dir_recycle_view.html:73
+#: seahub/templates/repo_dir_recycle_view.html:74
 #: seahub/templates/repo_history.html:112
 #: seahub/templates/share_access_validation.html:18
 #: seahub/templates/shared_file_view.html:73
@@ -1313,13 +1319,13 @@ msgstr ""
 #: seahub/contacts/templates/contacts/contact_list.html:101
 #: seahub/contacts/templates/contacts/contact_list.html:146
 #: seahub/institutions/templates/institutions/user_info.html:173
-#: seahub/notifications/templates/notifications/user_notification_list.html:94
+#: seahub/notifications/templates/notifications/user_notification_list.html:91
 #: seahub/share/templates/share/share_link_audit.html:70
 #: seahub/templates/base.html:148 seahub/templates/decrypt_repo_form.html:47
-#: seahub/templates/file_edit.html:545
-#: seahub/templates/file_revisions.html:197
-#: seahub/templates/repo_dir_recycle_view.html:141
-#: seahub/templates/repo_dir_recycle_view.html:175
+#: seahub/templates/file_edit.html:545 seahub/templates/file_revisions.html:197
+#: seahub/templates/repo_dir_recycle_view.html:113
+#: seahub/templates/repo_dir_recycle_view.html:174
+#: seahub/templates/repo_dir_recycle_view.html:208
 #: seahub/templates/repo_history.html:185
 #: seahub/templates/snippets/add_file_js.html:23
 #: seahub/templates/snippets/office_convert_js.html:107
@@ -1359,7 +1365,7 @@ msgstr ""
 #: seahub/institutions/templates/institutions/useradmin.html:79
 #: seahub/institutions/templates/institutions/useradmin_search.html:72
 #: seahub/notifications/templates/notifications/notification_list.html:65
-#: seahub/templates/sysadmin/repoadmin_js.html:48
+#: seahub/templates/sysadmin/repoadmin_js.html:73
 #: seahub/templates/sysadmin/sys_inst_admin.html:67
 #: seahub/templates/sysadmin/sys_org_admin.html:63
 #: seahub/templates/sysadmin/sys_org_info_group.html:44
@@ -1407,7 +1413,7 @@ msgstr ""
 msgid "Successfully Deleted %s"
 msgstr ""
 
-#: seahub/forms.py:35 seahub/invitations/views.py:30
+#: seahub/forms.py:35 seahub/invitations/views.py:31
 msgid "A user with this email already exists."
 msgstr ""
 
@@ -1438,7 +1444,7 @@ msgstr ""
 
 #: seahub/forms.py:97 seahub/views/ajax.py:407 seahub/views/ajax.py:619
 #: seahub/views/ajax.py:901 seahub/views/ajax.py:905 seahub/views/ajax.py:909
-#: seahub/views/ajax.py:1172 seahub/views/file.py:1664
+#: seahub/views/ajax.py:1140 seahub/views/file.py:1674
 #: seahub/views/sysadmin.py:1594 seahub/views/sysadmin.py:1612
 msgid "Argument missing"
 msgstr ""
@@ -1565,8 +1571,8 @@ msgstr ""
 #: seahub/templates/js/templates.html:144
 #: seahub/templates/js/templates.html:908
 #: seahub/templates/js/templates.html:1256
-#: seahub/templates/js/templates.html:2185
-#: seahub/templates/js/templates.html:2535 seahub/templates/libraries.html:149
+#: seahub/templates/js/templates.html:2192
+#: seahub/templates/js/templates.html:2542 seahub/templates/libraries.html:149
 #: seahub/templates/libraries.html:159 seahub/templates/libraries.html:171
 #: seahub/templates/sysadmin/base.html:13
 #: seahub/templates/sysadmin/sysadmin_backbone.html:30
@@ -1665,23 +1671,21 @@ msgstr ""
 #: seahub/templates/js/lib-op-popups.html:39
 #: seahub/templates/js/lib-op-popups.html:68
 #: seahub/templates/js/lib-op-popups.html:77
-#: seahub/templates/js/lib-op-popups.html:121
-#: seahub/templates/js/lib-op-popups.html:129
+#: seahub/templates/js/lib-op-popups.html:122
+#: seahub/templates/js/lib-op-popups.html:130
 #: seahub/templates/js/templates.html:1094
 #: seahub/templates/js/templates.html:1142
-#: seahub/templates/js/templates.html:2103
-#: seahub/templates/js/templates.html:2149
-#: seahub/templates/repo_dir_recycle_view.html:74
+#: seahub/templates/js/templates.html:2110
+#: seahub/templates/js/templates.html:2156
+#: seahub/templates/repo_dir_recycle_view.html:75
 #: seahub/templates/shared_file_view.html:74
 #: seahub/templates/snippets/file_share_popup.html:58
 #: seahub/templates/snippets/web_settings_form.html:13
 #: seahub/templates/snippets/web_settings_form.html:28
 #: seahub/templates/sysadmin/repo_transfer_form.html:9
 #: seahub/templates/termsandconditions/tc_accept_terms.html:11
-#: seahub/templates/view_shared_upload_link.html:85
+#: seahub/templates/view_shared_upload_link.html:86
 #: seahub/templates/wiki/personal_wiki.html:59
-#: seahub/two_factor/templates/two_factor/_wizard_actions.html:4
-#: seahub/two_factor/templates/two_factor/profile/disable.html:12
 msgid "Cancel"
 msgstr ""
 
@@ -1756,11 +1760,13 @@ msgid "Description is required."
 msgstr ""
 
 #: seahub/group/views.py:124 seahub/share/views.py:230
-#: seahub/views/__init__.py:443 seahub/views/__init__.py:571
-#: seahub/views/ajax.py:165 seahub/views/ajax.py:425 seahub/views/ajax.py:432
-#: seahub/views/ajax.py:495 seahub/views/ajax.py:502 seahub/views/ajax.py:638
-#: seahub/views/ajax.py:1152 seahub/views/file.py:1165
-#: seahub/views/file.py:1673 seahub/views/repo.py:123
+#: seahub/views/__init__.py:539 seahub/views/ajax.py:165
+#: seahub/views/ajax.py:425 seahub/views/ajax.py:432 seahub/views/ajax.py:495
+#: seahub/views/ajax.py:502 seahub/views/ajax.py:638 seahub/views/ajax.py:1078
+#: seahub/views/ajax.py:1120 seahub/views/file.py:856 seahub/views/file.py:998
+#: seahub/views/file.py:1049 seahub/views/file.py:1175
+#: seahub/views/file.py:1683 seahub/views/repo.py:123 seahub/views/repo.py:200
+#: seahub/views/repo.py:298
 msgid "Permission denied"
 msgstr ""
 
@@ -1802,8 +1808,8 @@ msgstr ""
 msgid "Wiki does not exists."
 msgstr ""
 
-#: seahub/group/views.py:431 seahub/group/views.py:460
-#: seahub/views/wiki.py:184 seahub/views/wiki.py:212
+#: seahub/group/views.py:431 seahub/group/views.py:460 seahub/views/wiki.py:184
+#: seahub/views/wiki.py:212
 msgid "Failed to create home page. Please retry later"
 msgstr ""
 
@@ -2258,9 +2264,9 @@ msgstr ""
 #: seahub/templates/home_base.html:59
 #: seahub/templates/js/sysadmin-templates.html:34
 #: seahub/templates/js/sysadmin-templates.html:161
-#: seahub/templates/js/sysadmin-templates.html:810
+#: seahub/templates/js/sysadmin-templates.html:838
 #: seahub/templates/js/templates.html:1354
-#: seahub/templates/js/templates.html:2237 seahub/templates/libraries.html:5
+#: seahub/templates/js/templates.html:2244 seahub/templates/libraries.html:5
 #: seahub/templates/sysadmin/base.html:44
 #: seahub/templates/sysadmin/sys_org_info_group.html:10
 #: seahub/templates/sysadmin/sys_org_info_library.html:10
@@ -2306,7 +2312,7 @@ msgstr ""
 
 #: seahub/institutions/templates/institutions/user_info.html:40
 #: seahub/templates/registration/registration_form.html:31
-#: seahub/templates/sysadmin/userinfo.html:92 seahub/views/sysadmin.py:1985
+#: seahub/templates/sysadmin/userinfo.html:92 seahub/views/sysadmin.py:1894
 msgid "Department"
 msgstr ""
 
@@ -2348,7 +2354,7 @@ msgstr ""
 #: seahub/institutions/templates/institutions/user_info.html:67
 #: seahub/templates/file_revisions.html:41
 #: seahub/templates/js/sysadmin-templates.html:542
-#: seahub/templates/js/sysadmin-templates.html:841
+#: seahub/templates/js/sysadmin-templates.html:869
 #: seahub/templates/js/templates.html:166
 #: seahub/templates/js/templates.html:411
 #: seahub/templates/js/templates.html:932
@@ -2356,9 +2362,9 @@ msgstr ""
 #: seahub/templates/js/templates.html:1610
 #: seahub/templates/js/templates.html:1614
 #: seahub/templates/js/templates.html:1651
-#: seahub/templates/js/templates.html:1766
-#: seahub/templates/js/templates.html:1995
-#: seahub/templates/js/templates.html:2014
+#: seahub/templates/js/templates.html:1773
+#: seahub/templates/js/templates.html:2002
+#: seahub/templates/js/templates.html:2021
 #: seahub/templates/repo_dir_recycle_view.html:46
 #: seahub/templates/repo_history_view.html:59
 #: seahub/templates/sysadmin/userinfo.html:189
@@ -2379,7 +2385,7 @@ msgstr ""
 #: seahub/templates/js/templates.html:1615
 #: seahub/templates/js/templates.html:1652
 #: seahub/templates/js/templates.html:1676
-#: seahub/templates/js/templates.html:1767
+#: seahub/templates/js/templates.html:1774
 #: seahub/templates/sysadmin/userinfo.html:190
 #: seahub/templates/sysadmin/userinfo.html:240
 #: seahub/templates/view_shared_dir.html:52
@@ -2519,7 +2525,7 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:622
 #: seahub/templates/js/sysadmin-templates.html:654
 #: seahub/templates/js/sysadmin-templates.html:672
-#: seahub/templates/js/sysadmin-templates.html:898
+#: seahub/templates/js/sysadmin-templates.html:926
 #: seahub/templates/js/templates.html:1653
 #: seahub/templates/sysadmin/sys_link_search.html:23
 #: seahub/templates/sysadmin/sys_org_admin.html:30
@@ -2532,12 +2538,12 @@ msgid "Owner"
 msgstr ""
 
 #: seahub/institutions/views.py:166
-#: seahub/templates/js/sysadmin-templates.html:903
-#: seahub/templates/js/sysadmin-templates.html:907
-#: seahub/templates/js/sysadmin-templates.html:910
-#: seahub/templates/js/templates.html:1944
-#: seahub/templates/js/templates.html:1948
-#: seahub/templates/js/templates.html:1951 seahub/views/sysadmin.py:724
+#: seahub/templates/js/sysadmin-templates.html:931
+#: seahub/templates/js/sysadmin-templates.html:935
+#: seahub/templates/js/sysadmin-templates.html:938
+#: seahub/templates/js/templates.html:1951
+#: seahub/templates/js/templates.html:1955
+#: seahub/templates/js/templates.html:1958 seahub/views/sysadmin.py:724
 msgid "Member"
 msgstr ""
 
@@ -2612,7 +2618,7 @@ msgstr ""
 #: seahub/notifications/models.py:621 seahub/notifications/models.py:639
 #: seahub/notifications/models.py:669 seahub/notifications/models.py:691
 #: seahub/notifications/models.py:717 seahub/utils/__init__.py:143
-#: seahub/utils/__init__.py:1157
+#: seahub/utils/__init__.py:1173
 msgid "Internal error"
 msgstr ""
 
@@ -2710,8 +2716,8 @@ msgstr ""
 #: seahub/notifications/templates/notifications/user_notification_list.html:23
 #: seahub/templates/file_revisions.html:39
 #: seahub/templates/js/sysadmin-templates.html:284
-#: seahub/templates/js/sysadmin-templates.html:940
-#: seahub/templates/js/sysadmin-templates.html:980
+#: seahub/templates/js/sysadmin-templates.html:968
+#: seahub/templates/js/sysadmin-templates.html:1008
 #: seahub/templates/repo_history.html:33 seahub/templates/repo_history.html:40
 msgid "Time"
 msgstr ""
@@ -2830,7 +2836,7 @@ msgstr ""
 
 #: seahub/notifications/templates/notifications/user_notification_list.html:33
 #: seahub/templates/file_revisions.html:52 seahub/templates/libraries.html:18
-#: seahub/templates/libraries.html:208
+#: seahub/templates/libraries.html.py:208
 #: seahub/templates/repo_dir_recycle_view.html:59
 msgid "More"
 msgstr ""
@@ -2839,8 +2845,8 @@ msgstr ""
 msgid "Successfully cleared all notices."
 msgstr ""
 
-#: seahub/oauth/views.py:74 seahub/oauth/views.py:95 seahub/oauth/views.py:116
-#: seahub/oauth/views.py:146 seahub/oauth/views.py:158
+#: seahub/oauth/views.py:71 seahub/oauth/views.py:95 seahub/oauth/views.py:121
+#: seahub/oauth/views.py:151 seahub/oauth/views.py:163
 msgid "Error, please contact administrator."
 msgstr ""
 
@@ -2872,11 +2878,10 @@ msgstr ""
 
 #: seahub/profile/templates/profile/set_profile.html:5
 #: seahub/profile/templates/profile/set_profile.html:35
-#: seahub/templates/base.html:73
-#: seahub/templates/js/sysadmin-templates.html:28
+#: seahub/templates/base.html:73 seahub/templates/js/sysadmin-templates.html:28
 #: seahub/templates/js/sysadmin-templates.html:324
 #: seahub/templates/js/templates.html:1417
-#: seahub/templates/js/templates.html:2209 seahub/templates/libraries.html:150
+#: seahub/templates/js/templates.html:2216 seahub/templates/libraries.html:150
 #: seahub/templates/sysadmin/base.html:38
 #: seahub/templates/sysadmin/settings.html:7
 #: seahub/templates/sysadmin/sys_org_info_group.html:11
@@ -2897,7 +2902,6 @@ msgstr ""
 #: seahub/profile/templates/profile/set_profile.html:26
 #: seahub/profile/templates/profile/set_profile.html:139
 #: seahub/templates/sysadmin/userinfo.html:123
-#: seahub/two_factor/templates/two_factor/core/login.html:7
 msgid "Two-Factor Authentication"
 msgstr ""
 
@@ -2998,7 +3002,6 @@ msgstr ""
 #: seahub/profile/templates/profile/set_profile.html:143
 #: seahub/templates/sysadmin/userinfo.html:127
 #: seahub/templates/sysadmin/userinfo.html:129
-#: seahub/two_factor/templates/two_factor/profile/disable.html:6
 msgid "Disable Two-Factor Authentication"
 msgstr ""
 
@@ -3026,8 +3029,6 @@ msgid ""
 msgstr ""
 
 #: seahub/profile/templates/profile/set_profile.html:157
-#: seahub/two_factor/templates/two_factor/core/setup.html:6
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:5
 msgid "Enable Two-Factor Authentication"
 msgstr ""
 
@@ -3052,11 +3053,11 @@ msgid "Really want to delete your account?"
 msgstr ""
 
 #: seahub/profile/templates/profile/set_profile.html:282
-#: seahub/templates/js/sysadmin-templates.html:1000
+#: seahub/templates/js/sysadmin-templates.html:1028
 #: seahub/templates/sysadmin/settings.html:211
 #: seahub/templates/sysadmin/settings.html:249 seahub/views/sysadmin.py:1326
-#: seahub/views/sysadmin.py:1383 seahub/views/sysadmin.py:2274
-#: seahub/views/sysadmin.py:2356 seahub/views/sysadmin.py:2527
+#: seahub/views/sysadmin.py:1383 seahub/views/sysadmin.py:2183
+#: seahub/views/sysadmin.py:2265 seahub/views/sysadmin.py:2436
 msgid "Success"
 msgstr ""
 
@@ -3151,7 +3152,7 @@ msgstr ""
 #: seahub/share/views.py:336 seahub/thumbnail/views.py:40
 #: seahub/thumbnail/views.py:159 seahub/views/ajax.py:212
 #: seahub/views/ajax.py:400 seahub/views/ajax.py:477 seahub/views/ajax.py:541
-#: seahub/views/ajax.py:607 seahub/views/ajax.py:810 seahub/views/ajax.py:1143
+#: seahub/views/ajax.py:607 seahub/views/ajax.py:810 seahub/views/ajax.py:1111
 msgid "Library does not exist."
 msgstr ""
 
@@ -3203,19 +3204,19 @@ msgid "View profile and more"
 msgstr ""
 
 #: seahub/templates/base.html:76 seahub/templates/js/sysadmin-templates.html:5
-#: seahub/templates/js/templates.html:2211
+#: seahub/templates/js/templates.html:2218
 #: seahub/templates/sysadmin/base.html:15
 msgid "System Admin"
 msgstr ""
 
-#: seahub/templates/base.html:79 seahub/templates/js/templates.html:2214
+#: seahub/templates/base.html:79 seahub/templates/js/templates.html:2221
 msgid "Organization Admin"
 msgstr ""
 
 #: seahub/templates/base.html:85 seahub/templates/base_for_backbone.html:65
 #: seahub/templates/finish_payment.html:5
 #: seahub/templates/js/sysadmin-templates.html:326
-#: seahub/templates/js/templates.html:2219
+#: seahub/templates/js/templates.html:2226
 msgid "Log out"
 msgstr ""
 
@@ -3232,7 +3233,7 @@ msgstr ""
 
 #: seahub/templates/base_for_backbone.html:58
 #: seahub/templates/js/sysadmin-templates.html:64
-#: seahub/templates/js/templates.html:2186
+#: seahub/templates/js/templates.html:2193
 #: seahub/templates/sysadmin/base.html:74
 msgid "Notifications"
 msgstr ""
@@ -3322,18 +3323,18 @@ msgstr ""
 msgid "Access Log"
 msgstr ""
 
-#: seahub/templates/file_access.html:11
-#: seahub/templates/file_revisions.html:26 seahub/templates/text_diff.html:21
+#: seahub/templates/file_access.html:11 seahub/templates/file_revisions.html:26
+#: seahub/templates/text_diff.html:21
 msgid "Current Path:"
 msgstr ""
 
 #: seahub/templates/file_access.html:25
 #: seahub/templates/js/sysadmin-templates.html:224
 #: seahub/templates/js/sysadmin-templates.html:279
-#: seahub/templates/js/sysadmin-templates.html:749
+#: seahub/templates/js/sysadmin-templates.html:771
 #: seahub/templates/js/templates.html:1159
 #: seahub/templates/js/templates.html:1493
-#: seahub/templates/js/templates.html:2067
+#: seahub/templates/js/templates.html:2074
 #: seahub/templates/sysadmin/settings.html:41
 #: seahub/templates/sysadmin/sys_trafficadmin.html:26
 msgid "User"
@@ -3348,7 +3349,7 @@ msgstr ""
 #: seahub/templates/file_access.html:27
 #: seahub/templates/js/sysadmin-templates.html:227
 #: seahub/templates/js/sysadmin-templates.html:281
-#: seahub/templates/js/sysadmin-templates.html:978
+#: seahub/templates/js/sysadmin-templates.html:1006
 #: seahub/templates/libraries.html:218
 msgid "IP"
 msgstr ""
@@ -3372,8 +3373,8 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:382
 #: seahub/templates/js/sysadmin-templates.html:509
 #: seahub/templates/js/sysadmin-templates.html:631
-#: seahub/templates/js/sysadmin-templates.html:947
-#: seahub/templates/js/sysadmin-templates.html:987
+#: seahub/templates/js/sysadmin-templates.html:975
+#: seahub/templates/js/sysadmin-templates.html:1015
 #: seahub/templates/repo_history.html:100
 #: seahub/templates/snippets/admin_paginator.html:4
 #: seahub/templates/sysadmin/sys_publink_admin.html:50
@@ -3388,15 +3389,14 @@ msgstr ""
 #: seahub/templates/js/sysadmin-templates.html:383
 #: seahub/templates/js/sysadmin-templates.html:510
 #: seahub/templates/js/sysadmin-templates.html:632
-#: seahub/templates/js/sysadmin-templates.html:948
-#: seahub/templates/js/sysadmin-templates.html:988
+#: seahub/templates/js/sysadmin-templates.html:976
+#: seahub/templates/js/sysadmin-templates.html:1016
 #: seahub/templates/repo_history.html:103
 #: seahub/templates/snippets/admin_paginator.html:7
 #: seahub/templates/sysadmin/sys_publink_admin.html:53
 #: seahub/templates/sysadmin/sys_trafficadmin.html:42
 #: seahub/templates/sysadmin/sys_upload_link_admin.html:47
 #: seahub/templates/sysadmin/useradmin_paginator.html:7
-#: seahub/two_factor/templates/two_factor/_wizard_actions.html:5
 msgid "Next"
 msgstr ""
 
@@ -3428,8 +3428,8 @@ msgstr ""
 #: seahub/templates/file_edit.html:130
 #: seahub/templates/js/sysadmin-templates.html:282
 #: seahub/templates/js/templates.html:1549
-#: seahub/templates/js/templates.html:2395
-#: seahub/templates/js/templates.html:2430
+#: seahub/templates/js/templates.html:2402
+#: seahub/templates/js/templates.html:2437
 #: seahub/templates/sysadmin/settings.html:118
 #: seahub/templates/sysadmin/sys_virus_scan_records.html:11
 msgid "Library"
@@ -3519,7 +3519,7 @@ msgstr ""
 msgid "Link"
 msgstr ""
 
-#: seahub/templates/file_edit.html:415 seahub/templates/js/templates.html:2033
+#: seahub/templates/file_edit.html:415 seahub/templates/js/templates.html:2040
 #: seahub/templates/repo_history_view.html:74
 #: seahub/templates/snippets/repo_dir_trash_tr.html:21
 #: seahub/templates/sysadmin/sys_statistic_file.html:13
@@ -3659,8 +3659,8 @@ msgid "Restore"
 msgstr ""
 
 #: seahub/templates/file_revisions.html:89
-#: seahub/templates/js/templates.html:2460
-#: seahub/templates/js/templates.html:2471
+#: seahub/templates/js/templates.html:2467
+#: seahub/templates/js/templates.html:2478
 msgid "View"
 msgstr ""
 
@@ -3745,9 +3745,9 @@ msgid "Linked Devices"
 msgstr ""
 
 #: seahub/templates/home_base.html:51 seahub/templates/js/templates.html:1345
-#: seahub/templates/js/templates.html:2485
-#: seahub/templates/js/templates.html:2486
-#: seahub/templates/js/templates.html:2523
+#: seahub/templates/js/templates.html:2492
+#: seahub/templates/js/templates.html:2493
+#: seahub/templates/js/templates.html:2530
 msgid "Invite People"
 msgstr ""
 
@@ -3757,7 +3757,7 @@ msgstr ""
 
 #: seahub/templates/home_base.html:60 seahub/templates/js/templates.html:969
 #: seahub/templates/js/templates.html:1357
-#: seahub/templates/js/templates.html:2354
+#: seahub/templates/js/templates.html:2361
 msgid "Folders"
 msgstr ""
 
@@ -3853,27 +3853,27 @@ msgstr ""
 msgid "Saving..."
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:106
+#: seahub/templates/js/lib-op-popups.html:107
 msgid "This library is password protected"
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:110
+#: seahub/templates/js/lib-op-popups.html:111
 msgid "*The password will be kept in the server for only 1 hour."
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:117
+#: seahub/templates/js/lib-op-popups.html:118
 msgid "A file with the same name already exists in this folder."
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:117
+#: seahub/templates/js/lib-op-popups.html:118
 msgid "Replacing it will overwrite its content."
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:119
+#: seahub/templates/js/lib-op-popups.html:120
 msgid "Replace"
 msgstr ""
 
-#: seahub/templates/js/lib-op-popups.html:120
+#: seahub/templates/js/lib-op-popups.html:121
 msgid "Don't replace"
 msgstr ""
 
@@ -4021,7 +4021,7 @@ msgid "No connected devices"
 msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:253
-#: seahub/templates/js/templates.html:2177
+#: seahub/templates/js/templates.html:2184
 msgid "Unlink"
 msgstr ""
 
@@ -4061,8 +4061,8 @@ msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:360
 #: seahub/templates/js/sysadmin-templates.html:392
-#: seahub/templates/js/templates.html:4
-#: seahub/templates/js/templates.html:1408 seahub/templates/libraries.html:15
+#: seahub/templates/js/templates.html:4 seahub/templates/js/templates.html:1408
+#: seahub/templates/libraries.html:15
 msgid "New Library"
 msgstr ""
 
@@ -4073,7 +4073,7 @@ msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:386
 #: seahub/templates/js/sysadmin-templates.html:430
-#: seahub/templates/js/sysadmin-templates.html:850
+#: seahub/templates/js/sysadmin-templates.html:878
 msgid "No libraries"
 msgstr ""
 
@@ -4092,16 +4092,14 @@ msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:458
 #: seahub/templates/js/sysadmin-templates.html:686
-#: seahub/templates/js/templates.html:71
-#: seahub/templates/js/templates.html:120
-#: seahub/templates/js/templates.html:1828
+#: seahub/templates/js/templates.html:71 seahub/templates/js/templates.html:120
+#: seahub/templates/js/templates.html:1835
 #: seahub/templates/sysadmin/userinfo.html:219
 msgid "Transfer"
 msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:460
-#: seahub/templates/js/templates.html:68
-#: seahub/templates/js/templates.html:115
+#: seahub/templates/js/templates.html:68 seahub/templates/js/templates.html:115
 #: seahub/templates/js/templates.html:460
 #: seahub/templates/js/templates.html:482
 #: seahub/templates/js/templates.html:522
@@ -4112,8 +4110,7 @@ msgid "More Operations"
 msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:463
-#: seahub/templates/js/templates.html:65
-#: seahub/templates/js/templates.html:117
+#: seahub/templates/js/templates.html:65 seahub/templates/js/templates.html:117
 #: seahub/templates/js/templates.html:212
 #: seahub/templates/js/templates.html:219
 #: seahub/templates/js/templates.html:247
@@ -4132,8 +4129,7 @@ msgid "Share"
 msgstr ""
 
 #: seahub/templates/js/sysadmin-templates.html:465
-#: seahub/templates/js/templates.html:72
-#: seahub/templates/js/templates.html:121
+#: seahub/templates/js/templates.html:72 seahub/templates/js/templates.html:121
 msgid "History Setting"
 msgstr ""
 
@@ -4190,18 +4186,18 @@ msgstr ""
 msgid "Tip: you can search by keyword in name."
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:739
+#: seahub/templates/js/sysadmin-templates.html:761
 #: seahub/templates/js/templates.html:1022
 msgid "Share to user"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:740
+#: seahub/templates/js/sysadmin-templates.html:762
 #: seahub/templates/js/templates.html:1023
 msgid "Share to group"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:750
-#: seahub/templates/js/sysadmin-templates.html:777
+#: seahub/templates/js/sysadmin-templates.html:772
+#: seahub/templates/js/sysadmin-templates.html:802
 #: seahub/templates/js/templates.html:470
 #: seahub/templates/js/templates.html:545
 #: seahub/templates/js/templates.html:889
@@ -4210,21 +4206,21 @@ msgstr ""
 #: seahub/templates/js/templates.html:1494
 #: seahub/templates/js/templates.html:1520
 #: seahub/templates/js/templates.html:1677
-#: seahub/templates/js/templates.html:2069
-#: seahub/templates/js/templates.html:2113
-#: seahub/templates/js/templates.html:2245
-#: seahub/templates/js/templates.html:2362
+#: seahub/templates/js/templates.html:2076
+#: seahub/templates/js/templates.html:2120
+#: seahub/templates/js/templates.html:2252
+#: seahub/templates/js/templates.html:2369
 msgid "Permission"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:776
+#: seahub/templates/js/sysadmin-templates.html:801
 #: seahub/templates/js/templates.html:1189
 #: seahub/templates/js/templates.html:1519
-#: seahub/templates/js/templates.html:2111
+#: seahub/templates/js/templates.html:2118
 msgid "Group"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:813
+#: seahub/templates/js/sysadmin-templates.html:841
 #: seahub/templates/js/templates.html:1418 seahub/templates/libraries.html:160
 #: seahub/templates/sysadmin/sys_inst_info_admins.html:7
 #: seahub/templates/sysadmin/sys_inst_info_user.html:13
@@ -4235,60 +4231,60 @@ msgstr ""
 msgid "Members"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:818
-#: seahub/templates/js/sysadmin-templates.html:826
+#: seahub/templates/js/sysadmin-templates.html:846
+#: seahub/templates/js/sysadmin-templates.html:854
 msgid "Add Member"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:842
+#: seahub/templates/js/sysadmin-templates.html:870
 msgid "Shared By"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:868
+#: seahub/templates/js/sysadmin-templates.html:896
 #: seahub/templates/js/templates.html:215
 #: seahub/templates/js/templates.html:222
 #: seahub/templates/js/templates.html:250
 #: seahub/templates/js/templates.html:257
 #: seahub/templates/js/templates.html:270
 #: seahub/templates/js/templates.html:289
-#: seahub/templates/js/templates.html:2317
-#: seahub/templates/js/templates.html:2349
+#: seahub/templates/js/templates.html:2324
+#: seahub/templates/js/templates.html:2356
 msgid "Unshare"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:888
+#: seahub/templates/js/sysadmin-templates.html:916
 msgid "No members"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:926
-#: seahub/templates/js/sysadmin-templates.html:966
+#: seahub/templates/js/sysadmin-templates.html:954
+#: seahub/templates/js/sysadmin-templates.html:994
 msgid "Admin Operation Logs"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:929
-#: seahub/templates/js/sysadmin-templates.html:969
+#: seahub/templates/js/sysadmin-templates.html:957
+#: seahub/templates/js/sysadmin-templates.html:997
 msgid "Admin Login Logs"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:938
+#: seahub/templates/js/sysadmin-templates.html:966
 msgid "Operation"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:939
+#: seahub/templates/js/sysadmin-templates.html:967
 #: seahub/templates/view_file_markdown.html:11
 #: seahub/templates/view_file_text.html:16
 msgid "Detail"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:951
+#: seahub/templates/js/sysadmin-templates.html:979
 msgid "No Admin Operation Logs"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:991
+#: seahub/templates/js/sysadmin-templates.html:1019
 msgid "No Admin Login Logs"
 msgstr ""
 
-#: seahub/templates/js/sysadmin-templates.html:1002
+#: seahub/templates/js/sysadmin-templates.html:1030
 msgid "Failed"
 msgstr ""
 
@@ -4310,7 +4306,7 @@ msgid "Encrypt"
 msgstr ""
 
 #: seahub/templates/js/templates.html:39
-#: seahub/templates/js/templates.html:2161
+#: seahub/templates/js/templates.html:2168
 #, python-format
 msgid "(at least %(repo_password_min_length)s characters)"
 msgstr ""
@@ -4326,36 +4322,31 @@ msgstr ""
 msgid "Label current state"
 msgstr ""
 
-#: seahub/templates/js/templates.html:70
-#: seahub/templates/js/templates.html:119
+#: seahub/templates/js/templates.html:70 seahub/templates/js/templates.html:119
 #: seahub/templates/js/templates.html:463
 #: seahub/templates/js/templates.html:531
 #: seahub/templates/js/templates.html:618
 #: seahub/templates/js/templates.html:735
 #: seahub/templates/js/templates.html:818
 #: seahub/templates/js/templates.html:875
-#: seahub/templates/js/templates.html:1827
-#: seahub/templates/js/templates.html:1846
+#: seahub/templates/js/templates.html:1834
+#: seahub/templates/js/templates.html:1853
 msgid "Rename"
 msgstr ""
 
-#: seahub/templates/js/templates.html:74
-#: seahub/templates/js/templates.html:123
+#: seahub/templates/js/templates.html:74 seahub/templates/js/templates.html:123
 msgid "Change Password"
 msgstr ""
 
-#: seahub/templates/js/templates.html:77
-#: seahub/templates/js/templates.html:126
+#: seahub/templates/js/templates.html:77 seahub/templates/js/templates.html:126
 msgid "Share Links"
 msgstr ""
 
-#: seahub/templates/js/templates.html:80
-#: seahub/templates/js/templates.html:129
+#: seahub/templates/js/templates.html:80 seahub/templates/js/templates.html:129
 msgid "Folder Permission"
 msgstr ""
 
-#: seahub/templates/js/templates.html:82
-#: seahub/templates/js/templates.html:131
+#: seahub/templates/js/templates.html:82 seahub/templates/js/templates.html:131
 #: seahub/templates/js/templates.html:472
 #: seahub/templates/js/templates.html:487
 #: seahub/templates/js/templates.html:547
@@ -4373,8 +4364,7 @@ msgstr ""
 msgid "Details"
 msgstr ""
 
-#: seahub/templates/js/templates.html:91
-#: seahub/templates/js/templates.html:137
+#: seahub/templates/js/templates.html:91 seahub/templates/js/templates.html:137
 msgid "Broken (please contact your administrator to fix this library)"
 msgstr ""
 
@@ -4621,7 +4611,7 @@ msgstr ""
 
 #: seahub/templates/js/templates.html:1089
 #: seahub/templates/js/templates.html:1137
-#: seahub/templates/js/templates.html:2525
+#: seahub/templates/js/templates.html:2532
 #: seahub/templates/snippets/file_share_popup.html:50
 #: seahub/templates/sysadmin/sys_useradmin_admins.html:38
 msgid "Emails, separated by ','"
@@ -4663,12 +4653,12 @@ msgid "Discussion"
 msgstr ""
 
 #: seahub/templates/js/templates.html:1485
-#: seahub/templates/js/templates.html:2057
+#: seahub/templates/js/templates.html:2064
 msgid "User Permission"
 msgstr ""
 
 #: seahub/templates/js/templates.html:1486
-#: seahub/templates/js/templates.html:2058
+#: seahub/templates/js/templates.html:2065
 msgid "Group Permission"
 msgstr ""
 
@@ -4708,142 +4698,142 @@ msgstr ""
 msgid "Deleted library"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1737
+#: seahub/templates/js/templates.html:1744
 #: seahub/templates/snippets/list_commit_detail.html:10
 msgid "Modification Details"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1751
+#: seahub/templates/js/templates.html:1758
 #: seahub/templates/snippets/search_form.html:4
 msgid "Search files in this wiki"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1751
+#: seahub/templates/js/templates.html:1758
 #: seahub/templates/snippets/search_form.html:4
 msgid "Search files in this library"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1753
+#: seahub/templates/js/templates.html:1760
 #: seahub/templates/snippets/search_form.html:7
 #: seahub/templates/snippets/search_form.html:13
 msgid "Search Files"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1755
+#: seahub/templates/js/templates.html:1762
 #: seahub/templates/snippets/search_form.html:9
 msgid "advanced"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1773
-#: seahub/templates/js/templates.html:1790 seahub/templates/libraries.html:137
+#: seahub/templates/js/templates.html:1780
+#: seahub/templates/js/templates.html:1797 seahub/templates/libraries.html:137
 msgid "No library is shared to this group"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1798
+#: seahub/templates/js/templates.html:1805
 msgid "owner"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1800
+#: seahub/templates/js/templates.html:1807
 msgid "admin"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1814
-#: seahub/templates/js/templates.html:2565
+#: seahub/templates/js/templates.html:1821
+#: seahub/templates/js/templates.html:2572
 #: seahub/templates/view_file_base.html:145
 msgid "Reply"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1831
-#: seahub/templates/js/templates.html:1849
+#: seahub/templates/js/templates.html:1838
+#: seahub/templates/js/templates.html:1856
 msgid "Add Wiki"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1833
-#: seahub/templates/js/templates.html:1851
+#: seahub/templates/js/templates.html:1840
+#: seahub/templates/js/templates.html:1858
 msgid "Remove Wiki"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1838
-#: seahub/templates/js/templates.html:1856
+#: seahub/templates/js/templates.html:1845
+#: seahub/templates/js/templates.html:1863
 msgid "Import Members"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1839
-#: seahub/templates/js/templates.html:1857
+#: seahub/templates/js/templates.html:1846
+#: seahub/templates/js/templates.html:1864
 msgid "Manage Members"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1842
+#: seahub/templates/js/templates.html:1849
 msgid "Dismiss"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1861
+#: seahub/templates/js/templates.html:1868
 msgid "Leave group"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1868
+#: seahub/templates/js/templates.html:1875
 msgid "Rename Group To"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1877
+#: seahub/templates/js/templates.html:1884
 msgid "Transfer Group To"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1885
+#: seahub/templates/js/templates.html:1892
 msgid "Import group members from a CSV file"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1887
+#: seahub/templates/js/templates.html:1894
 msgid "File format: user@mail.com"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1897
+#: seahub/templates/js/templates.html:1904
 #: seahub/templates/sysadmin/sys_inst_admin.html:12
 #: seahub/templates/sysadmin/sys_terms_admin.html:9
 msgid "Add"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1979
-#: seahub/templates/js/templates.html:2380
-#: seahub/templates/js/templates.html:2416
+#: seahub/templates/js/templates.html:1986
+#: seahub/templates/js/templates.html:2387
+#: seahub/templates/js/templates.html:2423
 #: seahub/templates/sysadmin/sys_publink_admin.html:16
 #: seahub/templates/sysadmin/sys_upload_link_admin.html:10
 msgid "Download Links"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1982
-#: seahub/templates/js/templates.html:2384
-#: seahub/templates/js/templates.html:2420
+#: seahub/templates/js/templates.html:1989
+#: seahub/templates/js/templates.html:2391
+#: seahub/templates/js/templates.html:2427
 #: seahub/templates/sysadmin/sys_publink_admin.html:19
 #: seahub/templates/sysadmin/sys_upload_link_admin.html:13
 msgid "Upload Links"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1994
-#: seahub/templates/js/templates.html:2013
+#: seahub/templates/js/templates.html:2001
+#: seahub/templates/js/templates.html:2020
 msgid "Created By"
 msgstr ""
 
-#: seahub/templates/js/templates.html:1996
-#: seahub/templates/js/templates.html:2015
-#: seahub/templates/js/templates.html:2396
-#: seahub/templates/js/templates.html:2431
+#: seahub/templates/js/templates.html:2003
+#: seahub/templates/js/templates.html:2022
+#: seahub/templates/js/templates.html:2403
+#: seahub/templates/js/templates.html:2438
 #: seahub/templates/sysadmin/sys_upload_link_admin.html:25
 #: seahub/templates/sysadmin/userinfo.html:278
 msgid "Visits"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2030
+#: seahub/templates/js/templates.html:2037
 #: seahub/templates/sysadmin/userinfo.html:289
 #: seahub/templates/sysadmin/userinfo.html:299
 #: seahub/templates/view_shared_dir.html:60
 msgid "Directory icon"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2040
-#: seahub/templates/js/templates.html:2461
-#: seahub/templates/js/templates.html:2472
-#: seahub/templates/js/templates.html:2517
+#: seahub/templates/js/templates.html:2047
+#: seahub/templates/js/templates.html:2468
+#: seahub/templates/js/templates.html:2479
+#: seahub/templates/js/templates.html:2524
 #: seahub/templates/sysadmin/sys_inst_admin.html:36
 #: seahub/templates/sysadmin/sys_link_search.html:36
 #: seahub/templates/sysadmin/sys_publink_admin.html:42
@@ -4853,109 +4843,109 @@ msgstr ""
 msgid "Remove"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2068
-#: seahub/templates/js/templates.html:2112
+#: seahub/templates/js/templates.html:2075
+#: seahub/templates/js/templates.html:2119
 msgid "Folder"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2079
-#: seahub/templates/js/templates.html:2098
-#: seahub/templates/js/templates.html:2125
-#: seahub/templates/js/templates.html:2144
+#: seahub/templates/js/templates.html:2086
+#: seahub/templates/js/templates.html:2105
+#: seahub/templates/js/templates.html:2132
+#: seahub/templates/js/templates.html:2151
 msgid "Select a folder"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2159
+#: seahub/templates/js/templates.html:2166
 msgid "Old Password"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2161
+#: seahub/templates/js/templates.html:2168
 #: seahub/templates/registration/password_change_form.html:18
 msgid "New Password"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2163
+#: seahub/templates/js/templates.html:2170
 msgid "New Password Again"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2192
+#: seahub/templates/js/templates.html:2199
 msgid "See All Notifications"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2244
-#: seahub/templates/js/templates.html:2361
+#: seahub/templates/js/templates.html:2251
+#: seahub/templates/js/templates.html:2368
 msgid "Share To"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2253
+#: seahub/templates/js/templates.html:2260
 msgid "You have not shared any libraries"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2254
+#: seahub/templates/js/templates.html:2261
 msgid ""
 "You can share libraries with your friends and colleagues by clicking the "
 "share icon of your own libraries in your home page or creating a new library "
 "in groups you are in."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2267
-#: seahub/templates/js/templates.html:2329
+#: seahub/templates/js/templates.html:2274
+#: seahub/templates/js/templates.html:2336
 msgid "all members"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2370
+#: seahub/templates/js/templates.html:2377
 msgid "You have not shared any folders"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2371
+#: seahub/templates/js/templates.html:2378
 msgid ""
 "You can share a single folder with a registered user if you don't want to "
 "share a whole library."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2397
-#: seahub/templates/js/templates.html:2494
+#: seahub/templates/js/templates.html:2404
+#: seahub/templates/js/templates.html:2501
 msgid "Expiration"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2405
+#: seahub/templates/js/templates.html:2412
 msgid "You don't have any download links"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2406
+#: seahub/templates/js/templates.html:2413
 msgid ""
 "You can generate a download link for a folder or a file. Anyone who receives "
 "this link can view the folder or the file online."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2439
+#: seahub/templates/js/templates.html:2446
 msgid "You don't have any upload links"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2440
+#: seahub/templates/js/templates.html:2447
 msgid ""
 "You can generate an upload link from any folder. Anyone who receives this "
 "link can upload files to this folder."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2493
+#: seahub/templates/js/templates.html:2500
 msgid "Invite Time"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2495
+#: seahub/templates/js/templates.html:2502
 msgid "Accepted"
 msgstr ""
 
-#: seahub/templates/js/templates.html:2503
+#: seahub/templates/js/templates.html:2510
 msgid "You have not invited any people."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2544
+#: seahub/templates/js/templates.html:2551
 #: seahub/templates/view_file_base.html:123
 msgid "No comment yet."
 msgstr ""
 
-#: seahub/templates/js/templates.html:2551
+#: seahub/templates/js/templates.html:2558
 #: seahub/templates/view_file_base.html:130
 msgid "Add a comment..."
 msgstr ""
@@ -5387,7 +5377,7 @@ msgstr ""
 msgid "all"
 msgstr ""
 
-#: seahub/templates/repo_dir_recycle_view.html:169
+#: seahub/templates/repo_dir_recycle_view.html:202
 msgid "Successfully restored 1 item."
 msgstr ""
 
@@ -5499,20 +5489,15 @@ msgid "You don't have any library at present"
 msgstr ""
 
 #: seahub/templates/snippets/file_content_html.html:25
-#: seahub/templates/view_file_image.html:14
+#: seahub/templates/view_file_image.html:16
 msgid "you can also press ← "
 msgstr ""
 
 #: seahub/templates/snippets/file_content_html.html:28
-#: seahub/templates/view_file_image.html:17
+#: seahub/templates/view_file_image.html:19
 msgid "you can also press → "
 msgstr ""
 
-#: seahub/templates/snippets/file_content_js.html:25
-#: seahub/templates/view_file_svg.html:7
-msgid "To view it online, you can use firefox, chrome or IE 9."
-msgstr ""
-
 #: seahub/templates/snippets/file_encoding.html:5
 #: seahub/templates/view_file_markdown.html:24
 #: seahub/templates/view_file_text.html:29
@@ -5724,41 +5709,45 @@ msgstr ""
 msgid "Transfer %(lib_name)s to:"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:18
+#: seahub/templates/sysadmin/repoadmin_js.html:19
 #: seahub/templates/sysadmin/sys_inst_info_user.html:151
 msgid "Search user or enter email and press Enter"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:19
+#: seahub/templates/sysadmin/repoadmin_js.html:20
 #: seahub/templates/sysadmin/sys_inst_info_user.html:152
 msgid "Please enter 1 or more character"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:20
+#: seahub/templates/sysadmin/repoadmin_js.html:21
 #: seahub/templates/sysadmin/sys_inst_info_user.html:153
 msgid "No matches"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:21
+#: seahub/templates/sysadmin/repoadmin_js.html:22
 #: seahub/templates/sysadmin/sys_inst_info_user.html:154
 msgid "Searching..."
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:22
+#: seahub/templates/sysadmin/repoadmin_js.html:23
 #: seahub/templates/sysadmin/sys_inst_info_user.html:155
 msgid "Loading failed"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:23
+#: seahub/templates/sysadmin/repoadmin_js.html:24
 msgid "You cannot select any more choices"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:47
+#: seahub/templates/sysadmin/repoadmin_js.html:52
+msgid "Successfully transfered 1 item."
+msgstr ""
+
+#: seahub/templates/sysadmin/repoadmin_js.html:72
 #: seahub/templates/sysadmin/sys_org_info_library.html:60
 msgid "Delete Library"
 msgstr ""
 
-#: seahub/templates/sysadmin/repoadmin_js.html:58
+#: seahub/templates/sysadmin/repoadmin_js.html:83
 #: seahub/templates/sysadmin/sys_link_search.html:66
 #: seahub/templates/sysadmin/sys_org_info_user.html:190
 msgid "Successfully deleted 1 item."
@@ -6076,9 +6065,6 @@ msgstr ""
 #: seahub/templates/sysadmin/sys_link_search.html:22
 #: seahub/templates/sysadmin/sys_publink_admin.html:28
 #: seahub/templates/sysadmin/sys_upload_link_admin.html:22
-#: seahub/two_factor/forms.py:41 seahub/two_factor/forms.py:65
-#: seahub/two_factor/forms.py:169 seahub/two_factor/forms.py:175
-#: seahub/two_factor/forms.py:296
 msgid "Token"
 msgstr ""
 
@@ -6419,7 +6405,7 @@ msgid "Download an example file"
 msgstr ""
 
 #: seahub/templates/sysadmin/sys_useradmin.html:79
-#: seahub/views/sysadmin.py:2020 seahub/views/sysadmin.py:2108
+#: seahub/views/sysadmin.py:1929 seahub/views/sysadmin.py:2017
 msgid "Please choose a .xlsx file."
 msgstr ""
 
@@ -6710,7 +6696,7 @@ msgid "The owner of this library has run out of space."
 msgstr ""
 
 #: seahub/templates/view_shared_upload_link.html:18
-#: seahub/templates/view_shared_upload_link.html:63
+#: seahub/templates/view_shared_upload_link.html:64
 msgid "Add Files"
 msgstr ""
 
@@ -6732,46 +6718,42 @@ msgstr ""
 msgid "File size should be smaller than %(max_file_size)s"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:74
+#: seahub/templates/view_shared_upload_link.html:75
 msgid "File is too big"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:75
+#: seahub/templates/view_shared_upload_link.html:76
 msgid "File is too small"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:76
+#: seahub/templates/view_shared_upload_link.html:77
 msgid "Filetype not allowed"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:77
+#: seahub/templates/view_shared_upload_link.html:78
 msgid "Maximum number of files exceeded"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:78
+#: seahub/templates/view_shared_upload_link.html:79
 msgid "Uploaded bytes exceed file size"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:79
+#: seahub/templates/view_shared_upload_link.html:80
 msgid "Empty file upload result"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:82
+#: seahub/templates/view_shared_upload_link.html:83
 msgid "uploaded"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:83
+#: seahub/templates/view_shared_upload_link.html:84
 msgid "canceled"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:84
+#: seahub/templates/view_shared_upload_link.html:85
 msgid "Start"
 msgstr ""
 
-#: seahub/templates/view_shared_upload_link.html:190
-msgid "Failed to get upload url"
-msgstr ""
-
 #: seahub/templates/view_trash_file.html:6
 msgid "Current Path: "
 msgstr ""
@@ -6789,7 +6771,7 @@ msgid "Personal Wiki Pages"
 msgstr ""
 
 #: seahub/thumbnail/views.py:46 seahub/thumbnail/views.py:170
-#: seahub/views/__init__.py:602 seahub/views/file.py:1188
+#: seahub/views/__init__.py:570 seahub/views/file.py:1198
 msgid "Invalid arguments."
 msgstr ""
 
@@ -6801,225 +6783,6 @@ msgstr ""
 msgid "Invalid token."
 msgstr ""
 
-#: seahub/two_factor/forms.py:20 seahub/two_factor/models/phone.py:33
-msgid "Method"
-msgstr ""
-
-#: seahub/two_factor/forms.py:31
-msgid "Phone Number"
-msgstr ""
-
-#: seahub/two_factor/forms.py:44 seahub/two_factor/forms.py:68
-msgid "Entered token is not valid."
-msgstr ""
-
-#: seahub/two_factor/forms.py:152 seahub/two_factor/forms.py:241
-msgid "Please enter your OTP token"
-msgstr ""
-
-#: seahub/two_factor/forms.py:266
-#, python-brace-format
-msgid "Error generating challenge: {0}"
-msgstr ""
-
-#: seahub/two_factor/forms.py:269
-msgid "The selected OTP device is not interactive"
-msgstr ""
-
-#: seahub/two_factor/forms.py:271
-#, python-brace-format
-msgid "OTP Challenge: {0}"
-msgstr ""
-
-#: seahub/two_factor/models/base.py:23 seahub/two_factor/models/phone.py:18
-msgid "Phone Call"
-msgstr ""
-
-#: seahub/two_factor/models/base.py:25 seahub/two_factor/models/phone.py:19
-msgid "Text Message"
-msgstr ""
-
-#: seahub/two_factor/models/base.py:29
-msgid "Token generator"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:6
-msgid "Backup Tokens"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:8
-msgid ""
-"Backup tokens can be used when your primary and backup\n"
-"      phone numbers aren't available. The backup tokens below can be used\n"
-"      for login verification. If you've used up all your backup tokens, you\n"
-"      can generate a new set of backup tokens. Only the backup tokens shown\n"
-"      below will be valid."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:20
-msgid "Print these tokens and keep them somewhere safe."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:22
-msgid "You don't have any backup codes yet."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:26
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:12
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:19
-msgid "Back to Profile"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/backup_tokens.html:27
-msgid "Generate Tokens"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:13
-msgid ""
-"We are calling your phone right now, please enter the\n"
-"            digits you hear."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:16
-msgid ""
-"We sent you a text message, please enter the tokens we\n"
-"            sent."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:19
-msgid ""
-"Open the two-factor authentication app on your device to view your "
-"authentication token and verify your identify."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:22
-msgid "Authentication token"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:27
-#, python-format
-msgid "Remember this computer for %(remember_days)s days"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:31
-#: seahub/two_factor/templates/two_factor/core/login.html:50
-msgid "Incorrect code"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:35
-#: seahub/two_factor/templates/two_factor/core/login.html:55
-msgid "Verify"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:40
-msgid "Don't have your phone?"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:41
-msgid "Enter a two-factor backup code"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:47
-msgid "Backup code"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/login.html:54
-msgid ""
-"You can enter one of your backup codes in case you lost access to your "
-"mobile device."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:9
-msgid ""
-"You are about to take your account security to the\n"
-"        next level. Follow the steps in this wizard to enable two-factor\n"
-"        authentication."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:13
-msgid ""
-"Please select which authentication method you would\n"
-"        like to use."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:16
-msgid ""
-"To start using a token generator, please use your\n"
-"        smartphone to scan the QR code below. For example, use Google\n"
-"        Authenticator. Then, enter the token generated by the app.\n"
-"        "
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:22
-msgid ""
-"Please enter the phone number you wish to receive the\n"
-"      text messages on. This number will be validated in the next step.\n"
-"      "
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:26
-msgid ""
-"Please enter the phone number you wish to be called on.\n"
-"      This number will be validated in the next step. "
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:31
-msgid ""
-"We are calling your phone right now, please enter the\n"
-"          digits you hear."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:34
-msgid ""
-"We sent you a text message, please enter the tokens we\n"
-"          sent."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:38
-msgid ""
-"We've\n"
-"        encountered an issue with the selected authentication method. "
-"Please\n"
-"        go back and verify that you entered your information correctly, try\n"
-"        again, or use a different authentication method instead. If the "
-"issue\n"
-"        persists, contact the site administrator."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup.html:45
-msgid ""
-"To identify and verify your YubiKey, please insert a\n"
-"      token in the field below. Your YubiKey will be linked to your\n"
-"      account."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:7
-msgid ""
-"Congratulations, you've successfully enabled two-factor\n"
-"      authentication."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:14
-msgid ""
-"However, it might happen that you don't have access to\n"
-"      your primary token device. To enable account recovery, add a phone \n"
-"      number."
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/core/setup_complete.html:21
-msgid "Add Phone Number"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/profile/disable.html:8
-msgid ""
-"You are about to disable two-factor authentication. This\n"
-"    compromises your account security, are you sure?"
-msgstr ""
-
-#: seahub/two_factor/templates/two_factor/profile/disable.html:11
-msgid "Disable"
-msgstr ""
-
 #: seahub/utils/__init__.py:128
 msgid "permission error"
 msgstr ""
@@ -7028,51 +6791,51 @@ msgstr ""
 msgid "Unable to view recycle page"
 msgstr ""
 
-#: seahub/views/__init__.py:483
+#: seahub/views/__init__.py:451
 msgid "Unable to view library modification"
 msgstr ""
 
-#: seahub/views/__init__.py:562 seahub/views/__init__.py:604
-#: seahub/views/__init__.py:816 seahub/views/__init__.py:940
-#: seahub/views/file.py:1659 seahub/views/sysadmin.py:1733
+#: seahub/views/__init__.py:530 seahub/views/__init__.py:572
+#: seahub/views/__init__.py:784 seahub/views/__init__.py:910
+#: seahub/views/ajax.py:1073 seahub/views/file.py:1669
 msgid "Library does not exist"
 msgstr ""
 
-#: seahub/views/__init__.py:595
+#: seahub/views/__init__.py:563
 msgid "Please specify history ID"
 msgstr ""
 
-#: seahub/views/__init__.py:599
+#: seahub/views/__init__.py:567
 msgid "Successfully restored the library."
 msgstr ""
 
-#: seahub/views/__init__.py:606
+#: seahub/views/__init__.py:574
 msgid "History you specified does not exist"
 msgstr ""
 
-#: seahub/views/__init__.py:608
+#: seahub/views/__init__.py:576
 msgid "Unknown error"
 msgstr ""
 
-#: seahub/views/__init__.py:947 seahub/views/repo.py:200
+#: seahub/views/__init__.py:917 seahub/views/repo.py:204
 #, python-format
 msgid "\"%s\" does not exist."
 msgstr ""
 
-#: seahub/views/__init__.py:965 seahub/views/file.py:1154
+#: seahub/views/__init__.py:935 seahub/views/file.py:1164
 msgid "Internal Error"
 msgstr ""
 
-#: seahub/views/__init__.py:987
+#: seahub/views/__init__.py:957
 #, python-format
 msgid "Unable to download \"%s\""
 msgstr ""
 
-#: seahub/views/__init__.py:1079
+#: seahub/views/__init__.py:1051
 msgid "Successfully enable \"Personal Wiki\"."
 msgstr ""
 
-#: seahub/views/__init__.py:1084
+#: seahub/views/__init__.py:1056
 msgid "Successfully disable \"Personal Wiki\"."
 msgstr ""
 
@@ -7088,7 +6851,7 @@ msgstr ""
 msgid "The group doesn't exist"
 msgstr ""
 
-#: seahub/views/ajax.py:230 seahub/views/ajax.py:830 seahub/views/ajax.py:1166
+#: seahub/views/ajax.py:230 seahub/views/ajax.py:830 seahub/views/ajax.py:1134
 msgid "Library is encrypted."
 msgstr ""
 
@@ -7136,19 +6899,19 @@ msgid "Wrong repo id"
 msgstr ""
 
 #: seahub/views/ajax.py:923 seahub/views/file.py:406 seahub/views/file.py:853
-#: seahub/views/file.py:1046 seahub/views/file.py:1668
+#: seahub/views/file.py:1046 seahub/views/file.py:1678
 msgid "File does not exist"
 msgstr ""
 
-#: seahub/views/ajax.py:1104
+#: seahub/views/ajax.py:1061
 msgid "Bad upload link token."
 msgstr ""
 
-#: seahub/views/ajax.py:1110
+#: seahub/views/ajax.py:1068
 msgid "Bad repo id in upload link."
 msgstr ""
 
-#: seahub/views/ajax.py:1188
+#: seahub/views/ajax.py:1156
 msgid "No conflict in the merge."
 msgstr ""
 
@@ -7160,7 +6923,7 @@ msgstr ""
 msgid "URLError: failed to open file online"
 msgstr ""
 
-#: seahub/views/file.py:168 seahub/views/file.py:1206
+#: seahub/views/file.py:168 seahub/views/file.py:1216
 msgid "The encoding you chose is not proper."
 msgstr ""
 
@@ -7179,8 +6942,8 @@ msgstr ""
 
 #: seahub/views/file.py:418 seahub/views/file.py:427 seahub/views/file.py:439
 #: seahub/views/file.py:496 seahub/views/file.py:735 seahub/views/file.py:750
-#: seahub/views/file.py:768 seahub/views/file.py:875 seahub/views/file.py:1058
-#: seahub/views/file.py:1071 seahub/views/file.py:1275
+#: seahub/views/file.py:768 seahub/views/file.py:878 seahub/views/file.py:1068
+#: seahub/views/file.py:1081 seahub/views/file.py:1285
 msgid "Unable to view file"
 msgstr ""
 
@@ -7200,37 +6963,37 @@ msgstr ""
 msgid "Unable to download file."
 msgstr ""
 
-#: seahub/views/file.py:885
+#: seahub/views/file.py:888
 msgid "Unable to view raw file, share link traffic is used up."
 msgstr ""
 
-#: seahub/views/file.py:1178
+#: seahub/views/file.py:1188
 msgid "The library does not exist."
 msgstr ""
 
-#: seahub/views/file.py:1182
+#: seahub/views/file.py:1192
 msgid "The library is encrypted."
 msgstr ""
 
-#: seahub/views/file.py:1263
+#: seahub/views/file.py:1273
 msgid "Unable to edit file"
 msgstr ""
 
-#: seahub/views/file.py:1269
+#: seahub/views/file.py:1279
 msgid "The file does not exist."
 msgstr ""
 
-#: seahub/views/file.py:1301
+#: seahub/views/file.py:1311
 msgid "Edit online is not offered for this type of file."
 msgstr ""
 
-#: seahub/views/file.py:1412 seahub/views/file.py:1417
+#: seahub/views/file.py:1422 seahub/views/file.py:1427
 msgid "Unable to download file"
 msgstr ""
 
 #: seahub/views/sysadmin.py:315 seahub/views/sysadmin.py:421
 #: seahub/views/sysadmin.py:1175 seahub/views/sysadmin.py:1187
-#: seahub/views/sysadmin.py:1998
+#: seahub/views/sysadmin.py:1907
 msgid "Failed to export Excel"
 msgstr ""
 
@@ -7297,7 +7060,7 @@ msgstr ""
 msgid "Failed to reset password: user does not exist"
 msgstr ""
 
-#: seahub/views/sysadmin.py:1077 seahub/views/sysadmin.py:2093
+#: seahub/views/sysadmin.py:1077 seahub/views/sysadmin.py:2002
 #, python-format
 msgid "You are invited to join %s"
 msgstr ""
@@ -7335,77 +7098,55 @@ msgstr ""
 msgid "Failed to rename organization"
 msgstr ""
 
-#: seahub/views/sysadmin.py:1359 seahub/views/sysadmin.py:1839
-#: seahub/views/sysadmin.py:1935
+#: seahub/views/sysadmin.py:1359 seahub/views/sysadmin.py:1748
+#: seahub/views/sysadmin.py:1844
 msgid "Successfully deleted."
 msgstr ""
 
-#: seahub/views/sysadmin.py:1728
-msgid "Failed to transfer, invalid arguments."
-msgstr ""
-
-#: seahub/views/sysadmin.py:1739
-#, python-format
-msgid "Failed to transfer, user %s not found"
-msgstr ""
-
-#: seahub/views/sysadmin.py:1745
-msgid "Can not transfer organization library"
-msgstr ""
-
-#: seahub/views/sysadmin.py:1749
-#, python-format
-msgid "Can not transfer library to organization user %s"
-msgstr ""
-
-#: seahub/views/sysadmin.py:1802
-msgid "Successfully transfered."
-msgstr ""
-
-#: seahub/views/sysadmin.py:1938
+#: seahub/views/sysadmin.py:1847
 msgid "Failed to delete, please try again later."
 msgstr ""
 
-#: seahub/views/sysadmin.py:1969
+#: seahub/views/sysadmin.py:1878
 #, python-format
 msgid "Successfully set %s as admin."
 msgstr ""
 
-#: seahub/views/sysadmin.py:1971
+#: seahub/views/sysadmin.py:1880
 #, python-format
 msgid "Failed to set %s as admin: user does not exist."
 msgstr ""
 
-#: seahub/views/sysadmin.py:1984 seahub/views/sysadmin.py:1985
-#: seahub/views/sysadmin.py:1986
+#: seahub/views/sysadmin.py:1893 seahub/views/sysadmin.py:1894
+#: seahub/views/sysadmin.py:1895
 msgid "Optional"
 msgstr ""
 
-#: seahub/views/sysadmin.py:2106
+#: seahub/views/sysadmin.py:2015
 msgid "Import succeeded"
 msgstr ""
 
-#: seahub/views/sysadmin.py:2188
+#: seahub/views/sysadmin.py:2097
 msgid "Invalid setting"
 msgstr ""
 
-#: seahub/views/sysadmin.py:2195 seahub/views/sysadmin.py:2199
-#: seahub/views/sysadmin.py:2204
+#: seahub/views/sysadmin.py:2104 seahub/views/sysadmin.py:2108
+#: seahub/views/sysadmin.py:2113
 msgid "Invalid value"
 msgstr ""
 
-#: seahub/views/sysadmin.py:2332
+#: seahub/views/sysadmin.py:2241
 #, python-format
 msgid ""
 "Failed to add %s to the institution: user already belongs to an institution"
 msgstr ""
 
-#: seahub/views/sysadmin.py:2337
+#: seahub/views/sysadmin.py:2246
 #, python-format
 msgid "Successfully added %s to the institution."
 msgstr ""
 
-#: seahub/views/sysadmin.py:2661
+#: seahub/views/sysadmin.py:2570
 msgid "Successfully deleted 1 item"
 msgstr ""
 
diff --git a/locale/en/LC_MESSAGES/djangojs.po b/locale/en/LC_MESSAGES/djangojs.po
index bfd0c2e31c..86917a7392 100644
--- a/locale/en/LC_MESSAGES/djangojs.po
+++ b/locale/en/LC_MESSAGES/djangojs.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-01-12 18:04+0800\n"
+"POT-Creation-Date: 2018-03-17 12:59+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -30,10 +30,10 @@ msgstr ""
 
 #: static/scripts/app/models/dirent.js:113 static/scripts/app/views/dir.js:642
 #: static/scripts/app/views/dir.js:713
-#: static/scripts/app/views/fileupload.js:378
 #: static/scripts/app/views/fileupload.js:392
-#: static/scripts/app/views/fileupload.js:404
-#: static/scripts/app/views/fileupload.js:416 static/scripts/common.js:598
+#: static/scripts/app/views/fileupload.js:406
+#: static/scripts/app/views/fileupload.js:418
+#: static/scripts/app/views/fileupload.js:430 static/scripts/common.js:598
 msgid "Just now"
 msgstr ""
 
@@ -90,8 +90,7 @@ msgstr ""
 #: static/scripts/app/views/group-manage-members.js:146
 #: static/scripts/app/views/group-members.js:80
 #: static/scripts/app/views/group.js:110 static/scripts/app/views/group.js:143
-#: static/scripts/app/views/groups.js:83
-#: static/scripts/app/views/groups.js:134
+#: static/scripts/app/views/groups.js:83 static/scripts/app/views/groups.js:134
 #: static/scripts/app/views/invitations.js:119
 #: static/scripts/app/views/my-deleted-repos.js:86
 #: static/scripts/app/views/myhome-repos.js:104
@@ -114,6 +113,14 @@ msgstr ""
 msgid "Please check the network."
 msgstr ""
 
+#: static/scripts/app/views/activity-item.js:25
+msgid "Removed all items from trash."
+msgstr ""
+
+#: static/scripts/app/views/activity-item.js:27
+msgid "Removed items older than {n} days from trash."
+msgstr ""
+
 #: static/scripts/app/views/deleted-repo.js:58
 msgid "Successfully restored library {placeholder}"
 msgstr ""
@@ -189,8 +196,8 @@ msgstr ""
 #: static/scripts/sysadmin-app/views/device-errors.js:92
 #: static/scripts/sysadmin-app/views/device-trusted-ipaddresses.js:115
 #: static/scripts/sysadmin-app/views/dir.js:195
-#: static/scripts/sysadmin-app/views/folder-share-item.js:89
-#: static/scripts/sysadmin-app/views/folder-share-item.js:138
+#: static/scripts/sysadmin-app/views/folder-share-item.js:90
+#: static/scripts/sysadmin-app/views/folder-share-item.js:139
 #: static/scripts/sysadmin-app/views/group-member.js:71
 #: static/scripts/sysadmin-app/views/group-members.js:157
 #: static/scripts/sysadmin-app/views/group-repos.js:75
@@ -202,8 +209,8 @@ msgstr ""
 #: static/scripts/sysadmin-app/views/search-groups.js:76
 #: static/scripts/sysadmin-app/views/search-repos.js:77
 #: static/scripts/sysadmin-app/views/search-trash-repos.js:113
-#: static/scripts/sysadmin-app/views/share.js:190
-#: static/scripts/sysadmin-app/views/share.js:263
+#: static/scripts/sysadmin-app/views/share.js:194
+#: static/scripts/sysadmin-app/views/share.js:268
 #: static/scripts/sysadmin-app/views/system-repo.js:59
 #: static/scripts/sysadmin-app/views/trash-repos.js:142
 msgid "Failed. Please check the network."
@@ -606,6 +613,8 @@ msgid "Empty file upload result"
 msgstr ""
 
 #: static/scripts/app/views/fileupload.js:17
+#: static/scripts/app/views/fileupload.js:225
+#: static/scripts/app/views/fileupload.js:265
 #: static/scripts/app/views/group-discussions.js:122
 #: static/scripts/app/views/group-discussions.js:200
 #: static/scripts/app/views/group-manage-members.js:114
@@ -664,19 +673,11 @@ msgstr ""
 msgid "File Upload failed"
 msgstr ""
 
-#: static/scripts/app/views/fileupload.js:221
-msgid "Failed to get upload url"
-msgstr ""
-
-#: static/scripts/app/views/fileupload.js:254
-msgid "Failed to get update url"
-msgstr ""
-
-#: static/scripts/app/views/fileupload.js:265
+#: static/scripts/app/views/fileupload.js:279
 msgid "Replace file {filename}?"
 msgstr ""
 
-#: static/scripts/app/views/fileupload.js:291
+#: static/scripts/app/views/fileupload.js:305
 msgid "File is locked"
 msgstr ""