diff --git a/media/css/seahub.css b/media/css/seahub.css
index 9f13a28092..0e2baaadfb 100644
--- a/media/css/seahub.css
+++ b/media/css/seahub.css
@@ -3525,3 +3525,10 @@ img.thumbnail {
 .device-libs-dropdown-menu {
     min-width:200px;
 }
+/* link audit */
+#link-audit-form .email-input {
+    margin-bottom:5px;
+}
+#link-audit-form .get-code-btn {
+    margin-bottom:20px;
+}
diff --git a/seahub/share/templates/share/share_link_audit.html b/seahub/share/templates/share/share_link_audit.html
index 3e5d021888..55519ad888 100644
--- a/seahub/share/templates/share/share_link_audit.html
+++ b/seahub/share/templates/share/share_link_audit.html
@@ -3,20 +3,20 @@
 
 {% block main_panel %}
 <div class="new-narrow-panel" role="main">
-    <h2 class="hd">{% trans "Email verification" %}</h2>
-    <p class="notice">{% trans "Please provide your email address to continue." %}</p>
-
-    <form action="#" method="post" id="link-audit-form" class="con link-visit-verify">{% csrf_token %}
+    <h2 class="hd">{% trans "Email Verification" %}</h2>
+    <form action="" method="post" id="link-audit-form" class="con">{% csrf_token %}
+        <p class="tip">{% trans "Please provide your email address to continue." %}</p>
         <label for="email">{% trans "Email" %}</label>
-        <input id="email" type="text" class="input" name="email" value="{{email}}" />
-        <button id="code-btn">{% trans "Get code" %}</button><br/>
-        <p class="field-feedback"></p>
+        <input id="email" type="text" class="input email-input" name="email" value="{{email}}" />
+        <button type="button" id="get-code" class="get-code-btn">{% trans "Get code" %}</button><br />
 
-        <lable for="code">{% trans "Verification code" %}</lable>
-        <input id="code" type="text" class="input" name="code" value="{{code}}" /><br/>
+        <label for="code">{% trans "Verification code" %}</label><br />
+        <input id="code" type="text" class="input" name="code" value="{{code}}" />
 
         {% if err_msg %}
         <p class="error">{{ err_msg }}</p>
+        {% else %}
+        <p class="error hide"></p>
         {% endif %}
 
         <input type="submit" value="{% trans "Submit" %}" />
@@ -25,14 +25,14 @@
 {% endblock %}
 {% block extra_script %}
 <script type="text/javascript">
-$('#code-btn').click(function() {
-    var email = $('input[name="email"]').val();
+$('#get-code').click(function() {
+    var email = $.trim($('input[name="email"]').val());
     if (!email) {
         return false;
     }
 
     var $this = $(this);
-    var originalText = this.innerHTML;  // Remember the original text content
+    var originalText = $this.text(); // Remember the original text content
     var seconds = 60;
 
     $this.prop('disabled', true).addClass('btn-disabled');
@@ -42,33 +42,44 @@ $('#code-btn').click(function() {
     var interval = setInterval(function() {
         // decrement the seconds and update the text
         seconds = seconds - 1;
-        $this.text( originalText + ' (' + seconds + 's)');
-        if (seconds === 0) {  // once seconds is 0...
+        $this.text(originalText + ' (' + seconds + 's)');
+        if (seconds === 0) { // once seconds is 0...
             $this.prop('disabled', false).removeClass('btn-disabled')
-                 .text(originalText);   //reset to original text
-            clearInterval(interval);  // clear interval
+                 .text(originalText); // reset to original text
+            clearInterval(interval); // clear interval
         }
     }, 1000);
 
     $.ajax({
         url: "{% url "ajax_get_link_audit_code" %}",
         type: 'POST',
-        cache: 'false',
+        cache: false,
         beforeSend: prepareCSRFToken,
         data: {
             token: "{{token}}",
             email: email
         },
         success: function() {
-            $(".field-feedback").html('{% trans "Successfully sent verification code to this email." %}');
+            feedback('{% trans "A verification code has been sent to the email." %}', 'success');
         },
-        error: function(jqXHR, textStatus, errorThrown) {
-            $(".field-feedback").html($.parseJSON(jqXHR.responseText).error);
+        error: function(xhr) {
+            var err_msg = '';
+            if (xhr.responseText) {
+                err_msg = $.parseJSON(xhr.responseText).error;
+            } else {
+                err_msg = "{% trans "Failed. Please check the network." %}";
+            }
+            $('.error', $this.closest('form')).html(err_msg).removeClass('hide');
         }
     });
-
-    return false;
 });
 
+$('#link-audit-form').submit(function() {
+    var email = $.trim($('[name="email"]').val());
+    var code = $.trim($('[name="code"]').val());
+    if (!email || !code) {
+        return false;
+    }
+});
 </script>
 {% endblock %}
diff --git a/seahub/share/views.py b/seahub/share/views.py
index 6903d819a9..a966d406f6 100644
--- a/seahub/share/views.py
+++ b/seahub/share/views.py
@@ -1222,7 +1222,7 @@ def ajax_get_link_audit_code(request):
     cache.set(cache_key, code, timeout)
 
     # send code to user via email
-    subject = _("Audit code for link: %s") % fs.get_full_url()
+    subject = _("Verification code for visiting share links")
     c = {
         'code': code,
     }
@@ -1237,5 +1237,5 @@ def ajax_get_link_audit_code(request):
         logger.error('Failed to send audit code via email to %s')
         logger.error(e)
         return HttpResponse(json.dumps({
-            "error": _("Failed to send audit code, please try again later.")
+            "error": _("Failed to send a verification code, please try again later.")
         }), status=500, content_type=content_type)