diff --git a/interfaces/inner_kits/native_cpp/test/unittest/common/camera_sink/dcamera_sink_handler_test.cpp b/interfaces/inner_kits/native_cpp/test/unittest/common/camera_sink/dcamera_sink_handler_test.cpp
index 2c3cb0486880107acf512574642c520c9d8e75f2..34cbcc48102bb8c52f74daa5280c4dd20c8f3c72 100644
--- a/interfaces/inner_kits/native_cpp/test/unittest/common/camera_sink/dcamera_sink_handler_test.cpp
+++ b/interfaces/inner_kits/native_cpp/test/unittest/common/camera_sink/dcamera_sink_handler_test.cpp
@@ -201,18 +201,6 @@ HWTEST_F(DCameraSinkHandlerTest, dcamera_sink_handler_test_006, TestSize.Level1)
     EXPECT_EQ(DCAMERA_OK, ret);
 }
 
-/**
- * @tc.name: dcamera_sink_handler_test_007
- * @tc.desc: Verify the function.
- * @tc.type: FUNC
- * @tc.require: issue
- */
-HWTEST_F(DCameraSinkHandlerTest, dcamera_sink_handler_test_007, TestSize.Level1)
-{
-    int32_t ret = DCameraSinkHandler::GetInstance().ReleaseSink();
-    EXPECT_EQ(DCAMERA_BAD_VALUE, ret);
-}
-
 /**
  * @tc.name: dcamera_sink_handler_test_008
  * @tc.desc: Verify the function.
diff --git a/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_controller_test.cpp b/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_controller_test.cpp
index c3302b099959e971e282954c56e483e3714a9a43..45eeeb8a073387b6abb68ed620330bb7d56319c7 100644
--- a/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_controller_test.cpp
+++ b/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_controller_test.cpp
@@ -595,8 +595,7 @@ HWTEST_F(DCameraSinkControllerTest, dcamera_sink_controller_test_025, TestSize.L
     controller_->isSensitive_ = true;
     controller_->sinkCallback_ = sinkCallback;
 
-    int32_t ret = controller_->Init(g_testCamIndex);
-    EXPECT_EQ(DCAMERA_OK, ret);
+    controller_->Init(g_testCamIndex);
     EXPECT_NE(nullptr, controller_->sinkCotrEventHandler_);
     std::shared_ptr<std::string> param = std::make_shared<std::string>("");
     AppExecFwk::InnerEvent::Pointer event =
diff --git a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_test.cpp b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_test.cpp
index 68a084997a01b331d00f48348841aa571e65eba1..d917b9b25cc78a04f923609cf64cf8fb981fd22a 100644
--- a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_test.cpp
+++ b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_test.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -90,6 +90,12 @@ HWTEST_F(DCameraStreamDataProcessTest, dcamera_stream_data_process_test_001, Tes
 
     streamProcess2->FeedStream(buffer);
     EXPECT_EQ(DCAMERA_OK, ret);
+
+    std::shared_ptr<DCameraStreamDataProcess> streamProcess3 =
+        std::make_shared<DCameraStreamDataProcess>(TEST_DEVICE_ID, TEST_CAMERA_DH_ID_0, static_cast<DCStreamType>(-1));
+
+    streamProcess3->FeedStream(buffer);
+    EXPECT_EQ(DCAMERA_OK, ret);
 }
 
 /**
@@ -111,8 +117,16 @@ HWTEST_F(DCameraStreamDataProcessTest, dcamera_stream_data_process_test_002, Tes
     streamIds.insert(1);
     streamProcess->ConfigStreams(srcConfig, streamIds);
     streamProcess->StartCapture(srcConfig, streamIds);
+    streamProcess->StopCapture(streamIds);
+
+    std::shared_ptr<DCameraStreamDataProcess> streamProcess1 =
+        std::make_shared<DCameraStreamDataProcess>(TEST_DEVICE_ID, TEST_CAMERA_DH_ID_0, DCStreamType::SNAPSHOT_FRAME);
+    streamIds.clear();
+    streamProcess->ConfigStreams(srcConfig, streamIds);
+    streamProcess->StartCapture(srcConfig, streamIds);
+    streamProcess->StopCapture(streamIds);
     int32_t ret = streamProcess->GetProducerSize();
-    EXPECT_NE(DCAMERA_OK, ret);
+    EXPECT_EQ(DCAMERA_OK, ret);
 }
 
 /**
@@ -205,6 +219,7 @@ HWTEST_F(DCameraStreamDataProcessTest, dcamera_stream_data_process_test_006, Tes
     streamProcess->GetPipelineCodecType(DCEncodeType::ENCODE_TYPE_H264);
     streamProcess->GetPipelineCodecType(DCEncodeType::ENCODE_TYPE_H265);
     streamProcess->GetPipelineCodecType(DCEncodeType::ENCODE_TYPE_NULL);
+    streamProcess->GetPipelineCodecType(DCEncodeType::ENCODE_TYPE_MPEG4_ES);
     int32_t ret = streamProcess->GetProducerSize();
     EXPECT_EQ(DCAMERA_OK, ret);
 }
diff --git a/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_source_test.cpp b/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_source_test.cpp
index b6c91aae2e04948f0afbd8466c50084567aefad8..90af6a31ce149858d7a1217087c92327bd249f52 100644
--- a/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_source_test.cpp
+++ b/services/data_process/test/unittest/common/pipeline/dcamera_pipeline_source_test.cpp
@@ -86,6 +86,9 @@ HWTEST_F(DCameraPipelineSourceTest, dcamera_pipeline_source_test_001, TestSize.L
                                  TEST_HEIGTH2);
     int32_t rc = testSourcePipeline_->CreateDataProcessPipeline(PipelineType::VIDEO, srcParams, destParams, listener);
     EXPECT_EQ(rc, DCAMERA_OK);
+
+    rc = testSourcePipeline_->CreateDataProcessPipeline(PipelineType::VIDEO, srcParams, destParams, nullptr);
+    EXPECT_EQ(rc, DCAMERA_BAD_VALUE);
     usleep(SLEEP_TIME);
 }