diff --git a/frontend/src/views/app-store/installed/upgrade/diff/index.vue b/frontend/src/views/app-store/installed/upgrade/diff/index.vue
index 2dc63b8c9..0a0cb5724 100644
--- a/frontend/src/views/app-store/installed/upgrade/diff/index.vue
+++ b/frontend/src/views/app-store/installed/upgrade/diff/index.vue
@@ -67,9 +67,6 @@ const confirm = (useEditor: boolean) => {
 };
 
 const initEditor = () => {
-    if (editor) {
-        editor.dispose();
-    }
     nextTick(() => {
         originalModel = monaco.editor.createModel(oldContent.value, 'yaml');
         modifiedModel = monaco.editor.createModel(newContent.value, 'yaml');
diff --git a/frontend/src/views/setting/about/index.vue b/frontend/src/views/setting/about/index.vue
index ff6558f15..2abb72153 100644
--- a/frontend/src/views/setting/about/index.vue
+++ b/frontend/src/views/setting/about/index.vue
@@ -12,7 +12,7 @@
                         <SystemUpgrade />
                     </h3>
                     <div style="margin-top: 10px">
-                        <el-link @click="toDoc">
+                        <el-link @click="toDoc" class="system-link">
                             <el-icon><Document /></el-icon>
                             <span>{{ $t('setting.doc2') }}</span>
                         </el-link>