diff --git a/test/unittest/cpp_test/src/ime_mirror_test.cpp b/test/unittest/cpp_test/src/ime_mirror_test.cpp
index cf728bbeac318ad1642b19cc91a9ca74b899cd44..6bf7488c389b2ba6248db8d36e2bc81c61bdd866 100644
--- a/test/unittest/cpp_test/src/ime_mirror_test.cpp
+++ b/test/unittest/cpp_test/src/ime_mirror_test.cpp
@@ -35,6 +35,7 @@ using namespace testing::mt;
 namespace OHOS {
 namespace MiscServices {
 constexpr int32_t INVALID_UID = -1;
+constexpr uint32_t ATTACH_WAIT_TIME = 20;
 class ImeMirrorTest : public testing::Test {
 public:
     static sptr<InputMethodController> imc_;
@@ -402,6 +403,7 @@ HWTEST_F(ImeMirrorTest, multiThreadAttachRegisterTest_001, TestSize.Level1)
     SET_THREAD_NUM(1);
     auto attachTask = []() {
         auto ret = ImeMirrorTest::Attach();
+        std::this_thread::sleep_for(std::chrono::milliseconds(ATTACH_WAIT_TIME));
         EXPECT_EQ(ret, ErrorCode::NO_ERROR);
         ret = ImeMirrorTest::imc_->OnSelectionChange(u"1234567890", 1, 1);
         EXPECT_EQ(ret, ErrorCode::NO_ERROR);
diff --git a/test/unittest/napi_test/src/InputMethodTest.js b/test/unittest/napi_test/src/InputMethodTest.js
index 4b02cb45275610f9b669bfd4547c72422bd5f823..b85317fc6602f8e7c169953202e336cbfbf2a04b 100644
--- a/test/unittest/napi_test/src/InputMethodTest.js
+++ b/test/unittest/napi_test/src/InputMethodTest.js
@@ -1444,6 +1444,7 @@ describe('InputMethodTest', function () {
       let currentIme = inputMethod.getCurrentInputMethod();
       inputMethod.getSetting().enableInputMethod(currentIme.name, "extName", inputMethod.EnabledState.BASIC_MODE).then(() => {
         console.info('Succeeded in enable inputmethod.');
+        wait(WAIT_DEAL_OK);
         expect().assertFail();
         done();
       }).catch((err) => {