diff --git a/base/templatetags/seahub_tags.py b/base/templatetags/seahub_tags.py
index 6e586dff95..45d8c587ef 100644
--- a/base/templatetags/seahub_tags.py
+++ b/base/templatetags/seahub_tags.py
@@ -3,7 +3,6 @@ import datetime as dt
 from datetime import datetime
 import re
 import time
-from urllib2 import quote as default_quote
 
 from django import template
 from django.core.cache import cache
@@ -294,11 +293,6 @@ def translate_permission(value):
     else:
         return ''
 
-@register.filter(name='quote')
-def quote(value):
-    """Replace special characters in value using the %xx escape."""
-    return default_quote(value.encode('utf-8'))
-
 @register.filter(name='trim')
 def trim(value, length):
     if len(value) > length:
diff --git a/contacts/templates/contacts/contact_list.html b/contacts/templates/contacts/contact_list.html
index beb14eb28f..59d8553f1f 100644
--- a/contacts/templates/contacts/contact_list.html
+++ b/contacts/templates/contacts/contact_list.html
@@ -32,7 +32,7 @@
         <td>{{ contact.note }}</td>
         <td data-email="{{ contact.contact_email }}" data-name="{{ contact.contact_name }}" data-note="{{ contact.note }}">
             <a href="#" data="{{ SITE_ROOT }}contacts/edit/?email={{ contact.contact_email }}" class="contact-edit op">{% trans "Edit"%}</a>
-            <a href="#" data-url="{{ SITE_ROOT }}contacts/delete/?email={{ contact.contact_email|quote}}" data-target="{{ contact.contact_email}}" class="contact-delete op">{% trans "Delete"%}</a>
+            <a href="#" data-url="{{ SITE_ROOT }}contacts/delete/?email={{ contact.contact_email|urlencode}}" data-target="{{ contact.contact_email}}" class="contact-delete op">{% trans "Delete"%}</a>
         </td>
     </tr>
 {% endfor %}
diff --git a/share/templates/repo/share_admin.html b/share/templates/repo/share_admin.html
index 0d583f1e31..51824fb9cd 100644
--- a/share/templates/repo/share_admin.html
+++ b/share/templates/repo/share_admin.html
@@ -54,10 +54,10 @@
         <td>{{ repo.props.repo_desc }}</td>
         <td>
           {% if repo.props.share_type == 'group' %}
-          <a href="#" data="{% url 'repo_remove_share' %}?repo_id={{ repo.props.repo_id }}&from={{ request.user.username|quote }}&gid={{ repo.props.group_id }}" class="cancel-share op">{% trans "Unshare"%}</a>
+          <a href="#" data="{% url 'repo_remove_share' %}?repo_id={{ repo.props.repo_id }}&from={{ request.user.username|urlencode }}&gid={{ repo.props.group_id }}" class="cancel-share op">{% trans "Unshare"%}</a>
 	  {% endif %}
           {% if repo.props.share_type == 'personal' %}
-          <a href="#" data="{% url 'repo_remove_share' %}?repo_id={{ repo.props.repo_id }}&from={{ request.user.username|quote }}&to={{ repo.props.user|quote }}" class="cancel-share op">{% trans "Unshare"%}</a>
+          <a href="#" data="{% url 'repo_remove_share' %}?repo_id={{ repo.props.repo_id }}&from={{ request.user.username|urlencode }}&to={{ repo.props.user|urlencode }}" class="cancel-share op">{% trans "Unshare"%}</a>
 	  {% endif %}
 	  {% if repo.props.share_type == 'public' %}
 	      {% if not org %}
diff --git a/templates/snippets/my_owned_repos.html b/templates/snippets/my_owned_repos.html
index d040db2697..fb0e38980f 100644
--- a/templates/snippets/my_owned_repos.html
+++ b/templates/snippets/my_owned_repos.html
@@ -80,7 +80,7 @@
         <td>
             <img src="{{ MEDIA_URL }}img/download-20.png" data="{{ repo.repo_id }}" class="download-btn op-icon vh" title="{% trans "Download" %}" alt="{% trans "Download" %}" />
             {% if repo.share_type == 'personal' %}
-            <img src="{{ MEDIA_URL }}img/delete-20.png" data-url="{% url 'repo_remove_share' %}?repo_id={{ repo.repo_id }}&from={{ repo.user|quote }}&to={{ request.user.username|quote }}" data-target="{{repo.repo_name}}" class="unshare-btn op-icon vh" title="{% trans "Leave Share" %}" alt="{% trans "Leave Share" %}" />
+            <img src="{{ MEDIA_URL }}img/delete-20.png" data-url="{% url 'repo_remove_share' %}?repo_id={{ repo.repo_id }}&from={{ repo.user|urlencode }}&to={{ request.user.username|urlencode }}" data-target="{{repo.repo_name}}" class="unshare-btn op-icon vh" title="{% trans "Leave Share" %}" alt="{% trans "Leave Share" %}" />
             {% endif %}
         </td>
     </tr>