diff --git a/packages/hap-dsl-xvm/src/loaders/command-loader.js b/packages/hap-dsl-xvm/src/loaders/command-loader.js
index c5abea3..9f863c5 100644
--- a/packages/hap-dsl-xvm/src/loaders/command-loader.js
+++ b/packages/hap-dsl-xvm/src/loaders/command-loader.js
@@ -1,4 +1,4 @@
- /* Copyright (c) 2024-present, the hapjs-platform Project Contributors
+/* Copyright (c) 2024-present, the hapjs-platform Project Contributors
  * SPDX-License-Identifier: Apache-2.0
  */
 export default function commandLoader(source) {
@@ -10,4 +10,4 @@ export default function commandLoader(source) {
     throw new Error(`${this.resourcePath} 中的 <data> 解析失败，请检查是否为标准的 JSON 格式\n${e}`)
   }
   return `module.exports = ${JSON.stringify(jsonObj)}`
-}
\ No newline at end of file
+}
diff --git a/packages/hap-dsl-xvm/src/loaders/ux-fragment-utils.js b/packages/hap-dsl-xvm/src/loaders/ux-fragment-utils.js
index 766004d..403eb2e 100644
--- a/packages/hap-dsl-xvm/src/loaders/ux-fragment-utils.js
+++ b/packages/hap-dsl-xvm/src/loaders/ux-fragment-utils.js
@@ -44,7 +44,7 @@ const defaultLoaders = {
   'extract-css': resolveSync('./extract-css-loader.js'),
   // honor loader
   datapp: resolveSync('./datapp-loader.js'),
-  command: resolveSync('./command-loader.js'),
+  command: resolveSync('./command-loader.js')
   // end honor loader
 }
 
@@ -686,6 +686,6 @@ export {
   parseImportList,
   // honor process frag
   processDataAppFrag,
-  processCommandFrag,
+  processCommandFrag
   // end honor process frag
 }
diff --git a/packages/hap-server/src/preview/views/page.html b/packages/hap-server/src/preview/views/page.html
index c5b5aa7..90a5191 100644
--- a/packages/hap-server/src/preview/views/page.html
+++ b/packages/hap-server/src/preview/views/page.html
@@ -86,6 +86,11 @@
       }
     </style>
     <script src="hap-preview://index.js"></script>
+    <script type="text/javascript">
+      if (`{{devtoolUrl}}`) {
+        document.write('<script src="{{devtoolUrl}}">\x3C/script>')
+      }
+    </script>
     <!-- https://statres.quickapp.cn/quickapp/ide/web.js -->
     <script src="{{webJsUrl}}"></script>
     <script type="text/javascript">
@@ -93,11 +98,6 @@
         document.write('<script src="/preview-static/web.js">\x3C/script>')
       }
     </script>
-    <script type="text/javascript">
-      if (`{{devtoolUrl}}`) {
-        document.write('<script src="{{devtoolUrl}}">\x3C/script>')
-      }
-    </script>
     <script type="text/javascript">
       var base = '/preview'
       var type = '{{ type }}'