diff --git a/assets/scripts/dec.js b/assets/scripts/dec.js
index e2d12ab..5752599 100644
--- a/assets/scripts/dec.js
+++ b/assets/scripts/dec.js
@@ -20,4 +20,7 @@ window.Dec = {
     socket: {
         connected: false,
     },
+    personal: {
+      username: ''
+    }
 }
\ No newline at end of file
diff --git a/src/modules/pages/maintain/maintain.ts b/src/modules/pages/maintain/maintain.ts
index c9a003d..fd941de 100644
--- a/src/modules/pages/maintain/maintain.ts
+++ b/src/modules/pages/maintain/maintain.ts
@@ -17,7 +17,7 @@ export class Maintain extends BI.Widget {
     listView: any;
 
     render() {
-        const { text } = this.getEditConnection();
+        const { text, isEdit } = this.getEditConnection();
         
         return {
             type: Vtape,
@@ -32,7 +32,7 @@ export class Maintain extends BI.Widget {
                             type: IconButton,
                             hgap: 5,
                             cls: 'dcm-back-font',
-                            invisible: this.model.isCopy,
+                            invisible: this.model.isCopy || isEdit,
                             handler: () => {
                                 this.store.setPageIndex(PAGE_INDEX.DATEBASE);
                             },