diff --git a/lib/zin/wg/docapp/js/v1.js b/lib/zin/wg/docapp/js/v1.js
index 0fc0d4dbd9..e1186a5c67 100644
--- a/lib/zin/wg/docapp/js/v1.js
+++ b/lib/zin/wg/docapp/js/v1.js
@@ -375,7 +375,7 @@ function handleSwitchView(mode, location, info)
     {
         url = formatUrl.call(this, formatOptions);
     }
-    else if(mode === 'view')
+    else if(mode === 'view' || mode === 'diff')
     {
         url = $.createLink('doc', 'view', `docID=${location.docID}` + (info.data && location.docVersion && location.docVersion !== info.data.version ? `&version=${location.docVersion}` : ''));
     }
@@ -1789,6 +1789,18 @@ const customRenders =
         {
             const docInfo = this.doc;
             const doc = docInfo ? docInfo.data : null;
+            if (mode === 'diff') {
+                const {
+                    diffVersions,
+                    spaceType,
+                } = this.signals;
+                const versions = diffVersions ? diffVersions.value : [];
+                if (versions.length === 2) {
+                    return {
+                        fetcher: $.createLink('doc', 'diff', `&objectType=${spaceType.value}&docID=${doc.id}&newVersion=${versions[0]}&oldVersion=${versions[1]}`),
+                    };
+                }
+            }
             if(mode === 'view' && !hasPriv('view')) return {html: `<h1>${doc ? doc.title : ''}</h1><p>${getDocAppLang('accessDenied')}</p>`};
             return;
         }
diff --git a/lib/zin/wg/docapp/v1.php b/lib/zin/wg/docapp/v1.php
index 66c1adb373..645fa18005 100644
--- a/lib/zin/wg/docapp/v1.php
+++ b/lib/zin/wg/docapp/v1.php
@@ -223,6 +223,10 @@ class docApp extends wg
         $langData->libTypeList       = $lang->api->libTypeList;
         $langData->latestVersion     = $lang->api->latestVersion;
         $langData->template          = $lang->doc->template;
+        $langData->labelAllVersions  = $lang->doc->allVersion;
+        $langData->labelDiff         = $lang->doc->diff;
+        $langData->labelConfirm      = $lang->doc->confirm;
+        $langData->labelCancelDiff   = $lang->doc->cancelDiff;
 
         /**
          * 通过语言项定义文档表格列显示名称。
@@ -265,10 +269,11 @@ class docApp extends wg
          */
         $viewModeUrl = $this->prop('viewModeUrl');
         $spaceType   = $this->hasProp('spaceType') ? $this->prop('spaceType') : data('spaceType');
+
+        $rawModule = $app->rawModule;
+        $rawMethod = $app->rawMethod;
         if(!$this->hasProp('viewModeUrl'))
         {
-            $rawModule = $app->rawModule;
-            $rawMethod = $app->rawMethod;
             if ($rawModule == 'doc' && $rawMethod == 'app')
             {
                 $viewModeUrl = createLink('doc', 'app', 'type={spaceType}&spaceID={spaceID}&libID={libID}&moduleID={moduleID}&docID={docID}&mode={mode}&orderBy={orderBy}&recTotal={recTotal}&recPerPage={recPerPage}&pageID={page}&filterType={filterType}&search={search}&noSpace={noSpace}');
@@ -314,6 +319,11 @@ class docApp extends wg
         $historyPanelProps = array('fileListProps' => $fileListProps);
         $canPreviewOffice  = $canDownload && isset($config->file->libreOfficeTurnon) and $config->file->libreOfficeTurnon == 1;
 
+        // 不可用场景：文档模板、API 文档、开源版
+        $diffEnabled = ($config->edition != 'open')
+            && !($rawModule == 'doc' && $rawMethod == 'view')
+            && $rawModule != 'api';
+
         $zentaoListMenu = $hasZentaoSlashMenu ? $this->getZentaoListMenu() : array();
 
         $moreMenus = $zentaoListMenu
@@ -342,6 +352,7 @@ class docApp extends wg
             set::moduleID(data('moduleID')),
             set::docID(data('docID')),
             set::docVersion(data('docVersion')),
+            set::diffEnabled($diffEnabled),
             set::mode('list'),
             set::filterType(data('filterType')),
             set::search(data('search')),
diff --git a/module/doc/lang/de.php b/module/doc/lang/de.php
index 73146d6e62..53584a5d37 100644
--- a/module/doc/lang/de.php
+++ b/module/doc/lang/de.php
@@ -267,6 +267,7 @@ $lang->doc->createBook       = 'Create Book';
 $lang->doc->browse           = 'Liste';
 $lang->doc->view             = 'Details';
 $lang->doc->diff             = 'Diff';
+$lang->doc->confirm          = 'Confirm';
 $lang->doc->cancelDiff       = 'Cancel diff';
 $lang->doc->diffAction       = 'Diff Document';
 $lang->doc->sort             = 'Sortierung';
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index 91b16e4571..09f0afdfce 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -267,6 +267,7 @@ $lang->doc->createBook       = 'Create Book';
 $lang->doc->browse           = 'Document List';
 $lang->doc->view             = 'Document Detail';
 $lang->doc->diff             = 'Diff';
+$lang->doc->confirm          = 'Confirm';
 $lang->doc->cancelDiff       = 'Cancel diff';
 $lang->doc->diffAction       = 'Diff Document';
 $lang->doc->sort             = 'Rank Document';
diff --git a/module/doc/lang/fr.php b/module/doc/lang/fr.php
index bd3c063c53..88cd569658 100644
--- a/module/doc/lang/fr.php
+++ b/module/doc/lang/fr.php
@@ -267,6 +267,7 @@ $lang->doc->createBook       = 'Create Book';
 $lang->doc->browse           = 'Liste Documents';
 $lang->doc->view             = 'Détail Document';
 $lang->doc->diff             = 'Diff';
+$lang->doc->confirm          = 'Confirm';
 $lang->doc->cancelDiff       = 'Cancel diff';
 $lang->doc->diffAction       = 'Document Diff';
 $lang->doc->sort             = 'Rang Document';
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index 23d06dcd7e..32233090e5 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -267,6 +267,7 @@ $lang->doc->createBook       = '创建手册';
 $lang->doc->browse           = '文档列表';
 $lang->doc->view             = '文档详情';
 $lang->doc->diff             = '对比';
+$lang->doc->confirm          = '确定';
 $lang->doc->cancelDiff       = '取消对比';
 $lang->doc->diffAction       = '对比文档';
 $lang->doc->sort             = '文档排序';
diff --git a/module/doc/lang/zh-tw.php b/module/doc/lang/zh-tw.php
index eda5a4964d..0f225def6b 100644
--- a/module/doc/lang/zh-tw.php
+++ b/module/doc/lang/zh-tw.php
@@ -117,6 +117,7 @@ $lang->doc->createBook       = '創建手冊';
 $lang->doc->browse           = '文檔列表';
 $lang->doc->view             = '文檔詳情';
 $lang->doc->diff             = '對比';
+$lang->doc->confirm          = '確定';
 $lang->doc->diffAction       = '對比文檔';
 $lang->doc->sort             = '文檔排序';
 $lang->doc->manageType       = '維護目錄';