diff --git a/code/DocsSample/ArkUISample/DialogProject/entry/src/ohosTest/ets/test/Index.test.ets b/code/DocsSample/ArkUISample/DialogProject/entry/src/ohosTest/ets/test/Index.test.ets
index ed9b967625d9393f2ccf906fa1e7ee4853759e15..8dd3302383b2a7ec480e8b75d2f3729b55d60974 100644
--- a/code/DocsSample/ArkUISample/DialogProject/entry/src/ohosTest/ets/test/Index.test.ets
+++ b/code/DocsSample/ArkUISample/DialogProject/entry/src/ohosTest/ets/test/Index.test.ets
@@ -118,7 +118,6 @@ export default function IndexTest() {
       await driver.pressBack();
       await driver.pressBack();
       await driver.pressBack();
-      await driver.pressBack();
       await sleep(1000);
       done();
     })
diff --git a/code/DocsSample/ArkUISample/EventProject/entry/src/ohosTest/ets/test/Index.test.ets b/code/DocsSample/ArkUISample/EventProject/entry/src/ohosTest/ets/test/Index.test.ets
index 058602118e280831f888fb5e612f883ac8ce39fe..a33eb4225d19a343ae4913c3dcd558021f0e3f72 100644
--- a/code/DocsSample/ArkUISample/EventProject/entry/src/ohosTest/ets/test/Index.test.ets
+++ b/code/DocsSample/ArkUISample/EventProject/entry/src/ohosTest/ets/test/Index.test.ets
@@ -23,6 +23,10 @@ const delegator: abilityDelegatorRegistry.AbilityDelegator = abilityDelegatorReg
 const bundleName = abilityDelegatorRegistry.getArguments().bundleName;
 let want: Want;
 
+function sleep(time: number) {
+  return new Promise<void>((resolve: Function) => setTimeout(resolve, time));
+}
+
 export default function IndexTest() {
 
   describe('IndexTest', () => {