diff --git a/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets b/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
index 4b07c1f4f44b0e52f63444f37a07640399a29938..5ae2b283036754ae2766ff4e44818739bff64812 100644
--- a/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
+++ b/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
@@ -177,6 +177,8 @@ export default class GlobalSwitchSheetAbility extends UIExtensionAbility {
     let promise: Promise<window.Window> | undefined = window.createWindow(config);
     await promise.then((floatWindow: window.Window) => {
       this.subWindowForHost = floatWindow;
+      session.loadContent('');
+      session.setWindowBackgroundColor('#00000000');
     }).catch((err: BusinessError) => {
       Log.error('create floating window error:' + err.message + ' ' + err.code);
       // if modal already exist , return
diff --git a/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets b/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets
index 687798b2dd1b56bc1dbe79df6761199ca6c6eeaa..73825bce59834166b51f6e5ecd9f96285be3f5b2 100644
--- a/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets
+++ b/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets
@@ -177,6 +177,8 @@ export default class PermissionStateSheetAbility extends UIExtensionAbility {
     let promise: Promise<window.Window> | undefined = window.createWindow(config);
     await promise.then((floatWindow: window.Window) => {
       this.subWindowForHost = floatWindow;
+      session.loadContent('');
+      session.setWindowBackgroundColor('#00000000');
     }).catch((err: BusinessError) => {
       Log.error('create floating window error:' + err.message + ' ' + err.code);
       // if modal already exist , return