diff --git a/services/audiomanager/test/unittest/managersink/src/daudio_sink_dev_test.cpp b/services/audiomanager/test/unittest/managersink/src/daudio_sink_dev_test.cpp
index f77c422488dcb38fb8225bc12e4b779cec55141e..0e5ead979a85d11bda1fd931ea3b31ad09cecca9 100644
--- a/services/audiomanager/test/unittest/managersink/src/daudio_sink_dev_test.cpp
+++ b/services/audiomanager/test/unittest/managersink/src/daudio_sink_dev_test.cpp
@@ -216,6 +216,9 @@ HWTEST_F(DAudioSinkDevTest, TaskOpenDMic_001, TestSize.Level1)
 HWTEST_F(DAudioSinkDevTest, TaskOpenDMic_002, TestSize.Level1)
 {
     std::string args = "args";
+    sinkDev_->isDevLevelStatus_ = false;
+    EXPECT_EQ(ERR_DH_AUDIO_FAILED, sinkDev_->TaskOpenDMic(args));
+    sinkDev_->isDevLevelStatus_ = true;
     EXPECT_NE(DH_SUCCESS, sinkDev_->TaskOpenDMic(args));
 }