签名移除修复

app/public/js/profile.js

@@ -114,7 +114,7 @@ $(document).ready(function() {
         // 移除签名
         $('#delete-sign').click(function () {
             postData('/profile/sign/delete', {}, function (result) {
-                $('#sign-show').remove();
+                $('#sign-show').html('');
                 toast('移除成功', 'success');
             })
         });