diff --git a/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets b/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
index c9bd505cad75f0e9b987d46aa5121e9a464e9fea..d310c135d422e4b2c952968f121f2374f589fc26 100644
--- a/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
+++ b/permissionmanager/src/main/ets/PermissionSheet/GlobalSwitchSheetAbility.ets
@@ -181,6 +181,8 @@ 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 c92f91acea9f09429813fedcb618d6f6b798e045..0e794e99f032e185270028720329ed06756fb668 100644
--- a/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets
+++ b/permissionmanager/src/main/ets/PermissionSheet/PermissionStateSheetAbility.ets
@@ -181,6 +181,8 @@ 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