background color about vue component

index.html

@@ -10,7 +10,7 @@
     <!-- <h3>this is node -> Vue test</h3> -->
     <div id='app'  style='color:red; font-size:20px; font-weight:bold;'>app node start...</div>
     <template id="my-app">
-		<Header></Header>
+		<Header_></Header_>
 		<Headapes></Headapes>
 		<!-- <div v-html='info'></div> 
 		<Home @op="add">home vue</Home>

index.js

@@ -31,7 +31,7 @@ import Register from "./component/approve/Register.vue";
 import File from "./component/file/File.vue";
 // import Headapes from "./component/Headapes.vue";
 import Headapes from "./common/Headapes.vue";
-import Header from './common/Header.vue';
+import Header_ from './common/Header_.vue';
 import i18n from "./i18n.js";
 import { useI18n } from 'vue-i18n';
 
@@ -62,7 +62,7 @@ const app=createApp({
     Register,
     File,
     Headapes,
-    Header
+    Header_
   },
   data(){
     return{