diff --git a/module/doc/lang/de.php b/module/doc/lang/de.php
index 1bda5ad37e..285060e931 100644
--- a/module/doc/lang/de.php
+++ b/module/doc/lang/de.php
@@ -154,6 +154,7 @@ $lang->doc->allCollections   = 'All Collections';
 $lang->doc->keywordsTips     = 'Please use commas to separate multiple keywords.';
 $lang->doc->sortLibs         = 'Sort Libs';
 $lang->doc->titlePlaceholder = 'Please enter the title';
+$lang->doc->confirm          = 'Confirm';
 
 global $config;
 /* Query condition list. */
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index b719793600..db444b059f 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -154,6 +154,7 @@ $lang->doc->allCollections   = 'All Collections';
 $lang->doc->keywordsTips     = 'Please use commas to separate keywords.';
 $lang->doc->sortLibs         = 'Sort Libs';
 $lang->doc->titlePlaceholder = 'Please enter the title';
+$lang->doc->confirm          = 'Confirm';
 
 global $config;
 /* Query condition list. */
diff --git a/module/doc/lang/fr.php b/module/doc/lang/fr.php
index f544dd2113..cb11214407 100644
--- a/module/doc/lang/fr.php
+++ b/module/doc/lang/fr.php
@@ -154,6 +154,7 @@ $lang->doc->allCollections   = 'All Collections';
 $lang->doc->keywordsTips     = 'Please use commas to separate multiple keywords.';
 $lang->doc->sortLibs         = 'Sort Libs';
 $lang->doc->titlePlaceholder = 'Veuillez saisir le titre';
+$lang->doc->confirm          = 'Confirm';
 
 global $config;
 /* Query condition list. */
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index ca2ba27227..35f81e9190 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -154,6 +154,7 @@ $lang->doc->allCollections   = '查看全部收藏文档';
 $lang->doc->keywordsTips     = '多个关键字请用逗号分隔。';
 $lang->doc->sortLibs         = '文档库排序';
 $lang->doc->titlePlaceholder = '请输入标题';
+$lang->doc->confirm          = '确认';
 
 global $config;
 /* 查询条件列表 */
diff --git a/module/doc/view/createtexttype.html.php b/module/doc/view/createtexttype.html.php
index b6d140b42d..af17839cb6 100644
--- a/module/doc/view/createtexttype.html.php
+++ b/module/doc/view/createtexttype.html.php
@@ -46,12 +46,7 @@
 
 #noticeAcl {margin-left: 10px; vertical-align: middle;}
 
-#moreList {display: inline-block; padding: 7px;}
-#moreList .icon-more-circle {font-size: 20px;}
-#moreList ul.dropdown-menu {left: -77px;}
-
-#backBtn {border: unset;}
-#backBtn i {font-size: 20px;}
+#basicInfoLink {border: unset;}
 
 .modal-title {font-size: 14px !important; font-weight: 700 !important;}
 </style>
@@ -64,16 +59,11 @@
     <table class='table table-form'>
       <tbody>
         <tr id='headerBox'>
-          <td width='50px'><?php echo html::linkButton("<i class='icon icon-back-circle'></i>", $backLink, 'self', "id='backBtn'");?></td>
+          <td width='90px'><?php echo html::a($backLink, '<i class="icon icon-back icon-sm"></i> ' . $lang->goback, '', "class='btn btn-secondary' id='backBtn'");?></td>
           <td class="doc-title" colspan='3'><?php echo html::input('title', '', "placeholder='{$lang->doc->titlePlaceholder}' class='form-control' required");?></td>
           <td class="text-right">
             <?php echo html::submitButton('', "data-placement='bottom'", 'btn btn-primary');?>
-            <div id="moreList" class="dropdown dropdown-hover">
-              <?php echo html::a('#', "<i class='icon icon-more-circle'></i>");?>
-              <ul class="dropdown-menu">
-                <li><?php echo html::a('#modalBasicInfo', $lang->doc->basicInfo, '', "data-toggle='modal' id='basicInfoLink'");?><li>
-              </ul>
-            </div>
+            <?php echo html::a('#modalBasicInfo', "<i class='icon icon-cog-outline'></i> " . $lang->settings, '', "data-toggle='modal' id='basicInfoLink' class='btn'");?>
           </td>
         </tr>
         <tr>
@@ -154,7 +144,7 @@
               </tbody>
               <tfoot>
                 <tr>
-                  <td colspan='3' class='text-center'><?php echo html::a('javascript:void(0)', $lang->close, '', "class='btn btn-primary btn-wide'");?></td>
+                  <td colspan='3' class='text-center'><?php echo html::a('javascript:void(0)', $lang->doc->confirm, '', "class='btn btn-primary btn-wide'");?></td>
                 </tr>
               </tfoot>
             </table>
diff --git a/module/doc/view/edittexttype.html.php b/module/doc/view/edittexttype.html.php
index fa3b18a86e..137a001a85 100644
--- a/module/doc/view/edittexttype.html.php
+++ b/module/doc/view/edittexttype.html.php
@@ -49,12 +49,7 @@
 
 #noticeAcl {margin-left: 10px; vertical-align: middle;}
 
-#moreList {display: inline-block; padding: 7px;}
-#moreList .icon-more-circle {font-size: 20px;}
-#moreList ul.dropdown-menu {left: -77px;}
-
-#backBtn {border: unset;}
-#backBtn i {font-size: 20px;}
+#basicInfoLink {border: unset;}
 
 .modal-title {font-size: 14px !important; font-weight: 700 !important;}
 </style>
@@ -64,20 +59,11 @@
     <table class='table table-form'>
       <tbody>
         <tr id='headerBox'>
-          <?php if($from == 'create'):?>
-          <td width='50px'><?php echo html::linkButton("<i class='icon icon-back-circle'></i>", $backLink, 'self', "id='backBtn'");?></td>
-          <?php else:?>
-          <td width='50px'><?php echo html::backButton("<i class='icon icon-back-circle'></i>", "id='backBtn'", '');?></td>
-          <?php endif;?>
+          <td width='90px'><?php echo html::backButton("<i class='icon icon-back icon-sm'></i> " . $lang->goback, "id='backBtn'", 'btn btn-secondary');?></td>
           <td class="doc-title" colspan='3'><?php echo html::input('title', $doc->title, "placeholder='{$lang->doc->titlePlaceholder}' class='form-control' required");?></td>
           <td class="text-right">
             <?php echo html::submitButton('', "data-placement='bottom'", 'btn btn-primary');?>
-            <div id="moreList" class="dropdown dropdown-hover">
-              <?php echo html::a('#', "<i class='icon icon-more-circle'></i>");?>
-              <ul class="dropdown-menu">
-                <li><?php echo html::a('#modalBasicInfo', $lang->doc->basicInfo, '', "data-toggle='modal' id='basicInfoLink'");?><li>
-              </ul>
-            </div>
+            <?php echo html::a('#modalBasicInfo', "<i class='icon icon-cog-outline'></i> " . $lang->settings, '', "data-toggle='modal' id='basicInfoLink' class='btn'");?>
           </td>
         </tr>
         <tr>
@@ -155,7 +141,7 @@
               </tr>
               <tfoot>
                 <tr>
-                  <td colspan='3' class='text-center'><?php echo html::a('javascript:void(0)', $lang->close, '', "class='btn btn-primary btn-wide'");?></td>
+                  <td colspan='3' class='text-center'><?php echo html::a('javascript:void(0)', $lang->doc->confirm, '', "class='btn btn-primary btn-wide'");?></td>
                 </tr>
               </tfoot>
             </table>
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index d58fe72362..5346f4ee33 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -532,6 +532,15 @@ class upgradeModel extends model
                 break;
             case '17_4':
                 $this->updateSearchIndex();
+                if(!$executedXuanxuan)
+                {
+                    $table  = $this->config->db->prefix . 'im_chat';
+                    $result = $this->checkFieldsExists($table, 'adminInvite');
+                    if($result->rowCount() == 0)
+                    {
+                        $this->dbh->query("ALTER TABLE $table ADD `adminInvite` enum('0','1') NOT NULL DEFAULT '0' AFTER `mergedChats`");
+                    }
+                }
                 break;
         }
 
@@ -7036,4 +7045,17 @@ class upgradeModel extends model
 
         return !dao::isError();
     }
+
+    /**
+     * Check whether the field exists.
+     *
+     * @param  string  $table
+     * @param  string  $field
+     * @access public
+     * @return object
+     */
+    public function checkFieldsExists($table, $field)
+    {
+        return $this->dbh->query("show columns from `$table` like '$field'");
+    }
 }