diff --git a/seahub/notifications/management/commands/send_notices.py b/seahub/notifications/management/commands/send_notices.py
index e22e7d069b..0730a7792b 100644
--- a/seahub/notifications/management/commands/send_notices.py
+++ b/seahub/notifications/management/commands/send_notices.py
@@ -44,7 +44,15 @@ class Command(BaseCommand):
         repl = r'src="%s\1"' % get_site_scheme_and_netloc()
         return re.sub(pattern, repl, img_tag)
 
-    def get_file_upload_avatar_url(self, default_size=32):
+    def get_avatar_src(self, username, default_size=32):
+        avatar_img = self.get_avatar(username, default_size)
+        m = re.search('<img src="(.*?)".*', avatar_img)
+        if m:
+            return m.group(1)
+        else:
+            return ''
+
+    def get_default_avatar(self, default_size=32):
         # user default avatar
         img_tag = """<img src="%s" width="%s" height="%s" class="avatar" alt="" />""" % \
                 (get_default_avatar_url(), default_size, default_size)
@@ -52,6 +60,14 @@ class Command(BaseCommand):
         repl = r'src="%s\1"' % get_site_scheme_and_netloc()
         return re.sub(pattern, repl, img_tag)
 
+    def get_default_avatar_src(self, default_size=32):
+        avatar_img = self.get_default_avatar(default_size)
+        m = re.search('<img src="(.*?)".*', avatar_img)
+        if m:
+            return m.group(1)
+        else:
+            return ''
+
     def format_priv_file_share_msg(self, notice):
         d = json.loads(notice.detail)
         priv_share_token = d['priv_share_token']
@@ -59,7 +75,7 @@ class Command(BaseCommand):
                                               args=[priv_share_token])
         notice.notice_from = escape(email2nickname(d['share_from']))
         notice.priv_shared_file_name = d['file_name']
-        notice.avatar = self.get_avatar(d['share_from'])
+        notice.avatar_src = self.get_avatar_src(d['share_from'])
         return notice
 
     def format_user_message(self, notice):
@@ -68,7 +84,7 @@ class Command(BaseCommand):
         message = d.get('message')
 
         notice.notice_from = escape(email2nickname(msg_from))
-        notice.avatar = self.get_avatar(msg_from)
+        notice.avatar_src = self.get_avatar_src(msg_from)
         notice.user_msg_url = reverse('user_msg_list', args=[msg_from])
         notice.user_msg = message
         return notice
@@ -84,7 +100,7 @@ class Command(BaseCommand):
         notice.group_url = reverse('group_discuss', args=[group.id])
         notice.notice_from = escape(email2nickname(d['msg_from']))
         notice.group_name = group.group_name
-        notice.avatar = self.get_avatar(d['msg_from'])
+        notice.avatar_src = self.get_avatar_src(d['msg_from'])
         notice.grp_msg = message
         return notice
 
@@ -95,7 +111,7 @@ class Command(BaseCommand):
 
         notice.group_msg_reply_url = reverse('msg_reply_new')
         notice.notice_from = escape(email2nickname(d['reply_from']))
-        notice.avatar = self.get_avatar(d['reply_from'])
+        notice.avatar_src = self.get_avatar_src(d['reply_from'])
         notice.grp_reply_msg = message
         notice.grpmsg_topic = grpmsg_topic
         return notice
@@ -111,7 +127,7 @@ class Command(BaseCommand):
         notice.repo_url = reverse('repo', args=[repo.id])
         notice.notice_from = escape(email2nickname(d['share_from']))
         notice.repo_name = repo.name
-        notice.avatar = self.get_avatar(d['share_from'])
+        notice.avatar_src = self.get_avatar_src(d['share_from'])
         return notice
 
     def format_file_uploaded_msg(self, notice):
@@ -129,7 +145,7 @@ class Command(BaseCommand):
         notice.file_name = file_name
         notice.folder_link = folder_link
         notice.folder_name = folder_name
-        notice.avatar = self.get_file_upload_avatar_url()
+        notice.avatar_src = self.get_default_avatar_src()
         return notice
 
     def format_group_join_request(self, notice):
@@ -148,7 +164,7 @@ class Command(BaseCommand):
         notice.notice_from = username
         notice.grpjoin_group_name = group.group_name
         notice.grpjoin_request_msg = join_request_msg
-        notice.avatar = self.get_avatar(username)
+        notice.avatar_src = self.get_avatar_src(username)
         return notice
 
     def get_user_language(self, username):
diff --git a/seahub/notifications/templates/notifications/notice_email.html b/seahub/notifications/templates/notifications/notice_email.html
index 45cee9bc3b..0ac8cac05e 100644
--- a/seahub/notifications/templates/notifications/notice_email.html
+++ b/seahub/notifications/templates/notifications/notice_email.html
@@ -4,22 +4,8 @@
 
 {% block email_con %}
 
-<style type="text/css">
-table { width:100%; margin:12px 0 20px; table-layout:fixed; border-spacing: 0; border-collapse: collapse;}
-td, th { font-size: 13px; padding: 5px 3px; word-wrap: break-word; border-bottom: 1px solid #eee; }
-th { text-align: left; font-weight: normal; color: #9c9c9c; }
-td { color: #333; }
-p { line-height: 1.5; margin:.2em 0; }
-.hi { color:#121214;font-size:14px;margin-bottom:12px; }
-.amount { font-size:14px;color:#434144; }
-.avatar-cell { text-align:center; vertical-align:top; padding-top:8px; }
-.avatar {border-radius: 1000px;}
-.topic { padding: 4px 13px; border-left: 3px solid #e0e0e0; margin-left: 7px; }
-.brief, .detail { margin-right:10px; }
-</style>
-
-<p class="hi">{% blocktrans with name=to_user|email2nickname %}Hi, {{ name }}{% endblocktrans %}</p>
-<p class="amount">
+<p style="font-size:14px; line-height: 1.5; color:#121214; margin:.2em 0 12px;">{% blocktrans with name=to_user|email2nickname %}Hi, {{ name }}{% endblocktrans %}</p>
+<p style="font-size:14px; line-height: 1.5; color:#434144; margin:.2em 0;">
 {% blocktrans count num=notice_count %}
 You've got 1 new notice on {{ site_name }}:
 {% plural %}
@@ -27,53 +13,53 @@ You've got {{num}} new notices on {{ site_name }}:
 {% endblocktrans %}
 </p>
 
-    <table>
+    <table style="width:100%; margin:12px 0 20px; table-layout:fixed; border-spacing: 0; border-collapse: collapse;">
         <tr>
-            <th width="10%"></th>
-            <th width="70%">{% trans "Message" %}</th>
-            <th width="20%">{% trans "Time" %}</th>
+            <th width="9%" style="padding: 5px 3px; border-bottom: 1px solid #eee;"></th>
+            <th width="69%" style="padding: 5px 3px; border-bottom: 1px solid #eee; font-size:13px; text-align: left; font-weight: normal; color: #9c9c9c;">{% trans "Message" %}</th>
+            <th width="22%" style="padding: 5px 3px; border-bottom: 1px solid #eee; font-size:13px; text-align: left; font-weight: normal; color: #9c9c9c;">{% trans "Time" %}</th>
         </tr>
         {% for notice in notices %}
         <tr>
-            <td class="avatar-cell">{{notice.avatar|safe}}</td>
-            <td>
+            <td style="padding:8px 3px 5px; border-bottom: 1px solid #eee; text-align:center; vertical-align:top;"><img src="{{notice.avatar_src}}" width="32" height="32" alt="" style="border-radius:1000px;" /></td>
+            <td style="padding: 5px 3px; border-bottom: 1px solid #eee; font-size: 13px; color: #333; word-wrap: break-word;">
                 {% if notice.is_group_msg %}
-                    <p class="brief">{% blocktrans with user=notice.notice_from grp_url=notice.group_url grp_name=notice.group_name%}{{user}} posted a new discussion in <a href="{{url_base}}{{grp_url}}">{{grp_name}}</a>{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with user=notice.notice_from grp_url=notice.group_url grp_name=notice.group_name%}{{user}} posted a new discussion in <a href="{{url_base}}{{grp_url}}">{{grp_name}}</a>{% endblocktrans %}</p>
                     {% if notice.grp_msg %}
-                    <p class="detail">{{notice.grp_msg}}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{{notice.grp_msg}}</p>
                     {% endif %}
 
                 {% elif notice.is_grpmsg_reply %}
-                    <p class="brief">{% blocktrans with user=notice.notice_from reply_url=notice.group_msg_reply_url%}{{user}} replied your <a href="{{url_base}}{{reply_url}}">group discussion</a>{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with user=notice.notice_from reply_url=notice.group_msg_reply_url%}{{user}} replied your <a href="{{url_base}}{{reply_url}}">group discussion</a>{% endblocktrans %}</p>
                     {% if notice.grp_reply_msg %}
-                    <div class="detail">
+                    <div style="margin-right: 10px;">
                         {% if notice.grpmsg_topic %}
-                        <p class="topic">{{notice.grpmsg_topic|truncatechars:45}}</p>
+                        <p style="padding: 4px 13px; border-left: 3px solid #e0e0e0; line-height:1.5; margin:.2em 0 .2em 7px;">{{notice.grpmsg_topic|truncatechars:45}}</p>
                         {% endif %}
-                        <p>{{notice.grp_reply_msg}}</p>
+                        <p style="line-height:1.5; margin:.2em 0;">{{notice.grp_reply_msg}}</p>
                     </div>
                     {% endif %}
 
                 {% elif notice.is_repo_share_msg %}
-                    <p class="brief">{% blocktrans with user=notice.notice_from lib_url=notice.repo_url lib_name=notice.repo_name%}{{user}} has shared a library named <a href="{{url_base}}{{lib_url}}">{{lib_name}}</a> to you.{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with user=notice.notice_from lib_url=notice.repo_url lib_name=notice.repo_name%}{{user}} has shared a library named <a href="{{url_base}}{{lib_url}}">{{lib_name}}</a> to you.{% endblocktrans %}</p>
 
                 {% elif notice.is_priv_file_share_msg %}
-                    <p class="brief">{% blocktrans with user=notice.notice_from file_url=notice.priv_shared_file_url file_name=notice.priv_shared_file_name %}{{user}} has shared a file named <a href="{{url_base}}{{file_url}}">{{file_name}}</a> to you.{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with user=notice.notice_from file_url=notice.priv_shared_file_url file_name=notice.priv_shared_file_name %}{{user}} has shared a file named <a href="{{url_base}}{{file_url}}">{{file_name}}</a> to you.{% endblocktrans %}</p>
 
                 {% elif notice.is_user_message %}
-                    <p class="brief">{% blocktrans with msg_url=notice.user_msg_url user=notice.notice_from %}You have received a <a href="{{ url_base }}{{msg_url}}">new message</a> from {{user}}.{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with msg_url=notice.user_msg_url user=notice.notice_from %}You have received a <a href="{{ url_base }}{{msg_url}}">new message</a> from {{user}}.{% endblocktrans %}</p>
                     {% if notice.user_msg %}
-                    <p class="detail">{{notice.user_msg}}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{{notice.user_msg}}</p>
                     {% endif %}
 
                 {% elif notice.is_file_uploaded_msg %}
-                    <p class="brief">{% blocktrans with file_url=notice.file_link file_name=notice.file_name folder_url=notice.folder_link folder_name=notice.folder_name %}A file named <a href="{{url_base}}{{file_url}}">{{file_name}}</a> is uploaded to your folder <a href="{{url_base}}{{folder_url}}">{{folder_name}}</a>.{% endblocktrans %}</p>
+                    <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with file_url=notice.file_link file_name=notice.file_name folder_url=notice.folder_link folder_name=notice.folder_name %}A file named <a href="{{url_base}}{{file_url}}">{{file_name}}</a> is uploaded to your folder <a href="{{url_base}}{{folder_url}}">{{folder_name}}</a>.{% endblocktrans %}</p>
 
                 {% elif notice.is_group_join_request %}
-                <p class="brief">{% blocktrans with user_url=notice.grpjoin_user_profile_url user=notice.notice_from grp_url=notice.grpjoin_group_url grp_name=notice.grpjoin_group_name msg=notice.grpjoin_request_msg %}User <a href="{{url_base}}{{user_url}}">{{user}}</a> has asked to join group <a href="{{url_base}}{{grp_url}}">{{grp_name}}</a>, verification message: {{msg}}{% endblocktrans %}</p>
+                <p style="line-height:1.5; margin:.2em 10px .2em 0;">{% blocktrans with user_url=notice.grpjoin_user_profile_url user=notice.notice_from grp_url=notice.grpjoin_group_url grp_name=notice.grpjoin_group_name msg=notice.grpjoin_request_msg %}User <a href="{{url_base}}{{user_url}}">{{user}}</a> has asked to join group <a href="{{url_base}}{{grp_url}}">{{grp_name}}</a>, verification message: {{msg}}{% endblocktrans %}</p>
               {% endif %}
             </td>
-            <td>{{ notice.timestamp|date:"Y-m-d G:i:s"}}</td>
+            <td style="padding: 5px 3px; border-bottom: 1px solid #eee; font-size: 13px; color: #333; word-wrap: break-word;">{{ notice.timestamp|date:"Y-m-d G:i:s"}}</td>
         </tr>
         {% endfor %}
     </table>