diff --git a/test/unittest/dfx/event_injector_unit_test.cpp b/test/unittest/dfx/event_injector_unit_test.cpp
index 64760631204d11ebab11c614f818b22c43aa14be..36fdd62a6b2686af80a442f901704185635f98af 100755
--- a/test/unittest/dfx/event_injector_unit_test.cpp
+++ b/test/unittest/dfx/event_injector_unit_test.cpp
@@ -419,6 +419,8 @@ HWTEST_F(EventInjectorTest, Graphic_EventInjectorTest_Test_SetKeyEvent_002, Test
  */
 HWTEST_F(EventInjectorTest, Graphic_EventInjectorTest_Test_UnregisterEventInjector_001, TestSize.Level0)
 {
+    isRepeat_ = false;
+    usleep(10000); /* 10000:10ms */
     EventInjector::GetInstance()->UnregisterEventInjector(EventDataType::POINT_TYPE);
     if (!EventInjector::GetInstance()->IsEventInjectorRegistered(EventDataType::POINT_TYPE)) {
         UNREGISTER_POINT_FLAG = FLAG1;