diff --git a/entry/src/main/ets/application/MailBox.ets b/entry/src/main/ets/application/MailBox.ets
index 601a23be0b687b762785872461fadddc214d264c..3399782f3446122dd87b2abb8ace0f4149ef719f 100644
--- a/entry/src/main/ets/application/MailBox.ets
+++ b/entry/src/main/ets/application/MailBox.ets
@@ -28,8 +28,10 @@ struct MailBox {
 
   // [Start set_show_side_bar_build]
   build() {
+    // [StartExclude set_show_side_bar_build]
     GridRow() {
       GridCol({ span: { sm: 12, md: 12, lg: 12 } }) {
+        // [EndExclude set_show_side_bar_build]
         // [Start set_show_side_bar]
         SideBarContainer(SideBarContainerType.AUTO) {
           // Area A
@@ -44,11 +46,13 @@ struct MailBox {
           Column() {
             Stack() {
               MailNavigation()
+              // [StartExclude set_show_side_bar_build]
               // [StartExclude set_show_side_bar]
               if (this.isFold && this.currentBreakPoint !== 'lg') {
                 Column().width('100%').height('100%').backgroundColor('#33000000')
               }
               // [EndExclude set_show_side_bar]
+              // [EndExclude set_show_side_bar_build]
             }
           }
           .height('100%')
diff --git a/entry/src/main/ets/common/MailNavigation.ets b/entry/src/main/ets/common/MailNavigation.ets
index 421afe17b169cc31b909916fa0ab4db75baba5a7..07469186908f6275d916da0ef8fd47fb4a9ff763 100644
--- a/entry/src/main/ets/common/MailNavigation.ets
+++ b/entry/src/main/ets/common/MailNavigation.ets
@@ -68,6 +68,7 @@ export struct MailNavigation {
     // [Start navigation_mode]
     Navigation(this.pathInfo) {
       // [StartExclude navigation_mode]
+      // [StartExclude navigation_mode_build]
       Stack({ alignContent: Alignment.Start }) {
         Column() {
           Row() {
@@ -108,11 +109,12 @@ export struct MailNavigation {
           Image($r('app.media.ic_public_list_add_light')).width(48).height(48).position({ x: 240, y: 549 })
         }
       }
+      // [EndExclude navigation_mode_build]
       // [EndExclude navigation_mode]
     }
     .mode(this.currentBreakPoint === 'sm' ? NavigationMode.Stack : this.notesNavMode)
+    // [End navigation_mode]
     .navDestination(this.myRouter)
-    // [StartExclude navigation_mode]
     // [StartExclude navigation_mode_build]
     .navBarWidth(new BreakpointType(321, 321, 390).GetValue(this.currentBreakPoint) as number | Length)
     .menus(this.NavigationMenus)
@@ -120,8 +122,6 @@ export struct MailNavigation {
     .title({ builder: this.NavigationTitle, height: 162 })
     .hideBackButton(true)
     // [EndExclude navigation_mode_build]
-    // [EndExclude navigation_mode]
   }
-  // [End navigation_mode]
   // [End navigation_mode_build]
 }
\ No newline at end of file