diff --git a/test/unittest/screen_capture_impl_unittest/screen_capture_impl_unittest.cpp b/test/unittest/screen_capture_impl_unittest/screen_capture_impl_unittest.cpp
index a77306a13bb1e6e54d59fb6fc994641f74d832c4..cfba6f5a62d1fae540e0ae94f7112a569aa10401 100644
--- a/test/unittest/screen_capture_impl_unittest/screen_capture_impl_unittest.cpp
+++ b/test/unittest/screen_capture_impl_unittest/screen_capture_impl_unittest.cpp
@@ -30,6 +30,7 @@ void ScreenCaptureImplUnitTest::TearDownTestCase(void) {}
 
 void ScreenCaptureImplUnitTest::SetUp(void)
 {
+    // test
     screenCaptureImpl_ = std::make_shared<ScreenCaptureImpl>();
 }