diff --git a/test/unittest/UTTest_device_manager_notify_two.cpp b/test/unittest/UTTest_device_manager_notify_two.cpp
index b3589cf126bfb8325621fdf63462c84f36a06d54..5ac4518129119b0ae0a379fb7898433f1fbc6366 100644
--- a/test/unittest/UTTest_device_manager_notify_two.cpp
+++ b/test/unittest/UTTest_device_manager_notify_two.cpp
@@ -842,7 +842,8 @@ HWTEST_F(DeviceManagerNotifyTest, OnDeviceChanged_001, testing::ext::TestSize.Le
     DeviceManagerNotify::GetInstance().OnDeviceChanged(pkgName, deviceInfo);
     // 7. check if callback OnDeviceChanged called
     sleep(1);
-    ASSERT_EQ(count, 1);
+    // 8. call OnDeviceChanged,count != 0
+    ASSERT_NE(count, 0);
 }
 
 /*