diff --git a/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_data_process_test.cpp b/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_data_process_test.cpp
index 8a765334362ab5a7aaf839120f5d3cf57d59235e..56a538b3f507f3a579a5b46685963b117faba677 100644
--- a/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_data_process_test.cpp
+++ b/services/cameraservice/sinkservice/test/unittest/common/distributedcameramgr/dcamera_sink_data_process_test.cpp
@@ -126,6 +126,7 @@ void DCameraSinkDataProcessTest::TearDown(void)
  */
 HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_001, TestSize.Level1)
 {
+    dataProcess_->pipeline_ = nullptr;
     int32_t ret = dataProcess_->StartCapture(g_testCaptureInfoContinuousNotEncode);
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -138,6 +139,7 @@ HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_001, TestSiz
  */
 HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_002, TestSize.Level1)
 {
+    dataProcess_->pipeline_ = nullptr;
     int32_t ret = dataProcess_->StartCapture(g_testCaptureInfoContinuousNeedEncode);
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -150,6 +152,7 @@ HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_002, TestSiz
  */
 HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_003, TestSize.Level1)
 {
+    dataProcess_->pipeline_ = nullptr;
     int32_t ret = dataProcess_->StartCapture(g_testCaptureInfoSnapshot);
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -223,5 +226,31 @@ HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_008, TestSiz
     EXPECT_EQ(Videoformat::RGBA_8888, dataProcess_->GetPipelineFormat(1));
     EXPECT_EQ(Videoformat::NV21, dataProcess_->GetPipelineFormat(0));
 }
+
+/**
+ * @tc.name: dcamera_sink_data_process_test_009
+ * @tc.desc: Verify the StartCapture function.
+ * @tc.type: FUNC
+ * @tc.require: AR000GK6MU
+ */
+HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_009, TestSize.Level1)
+{
+    int32_t ret = dataProcess_->StartCapture(g_testCaptureInfoSnapshot);
+    EXPECT_EQ(DCAMERA_OK, ret);
+}
+
+/**
+ * @tc.name: dcamera_sink_data_process_test_010
+ * @tc.desc: Verify the StartCapture function.
+ * @tc.type: FUNC
+ * @tc.require: AR000GK6MU
+ */
+HWTEST_F(DCameraSinkDataProcessTest, dcamera_sink_data_process_test_010, TestSize.Level1)
+{
+    std::string propertyName = "test010";
+    PropertyCarrier propertyCarrier;
+    int32_t ret = dataProcess_->GetProperty(propertyName, propertyCarrier);
+    EXPECT_EQ(DCAMERA_OK, ret);
+}
 } // namespace DistributedHardware
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_source_controller_test.cpp b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_source_controller_test.cpp
index 81f4bc9a46c042fc6cbad5bbc6e4d48a0481a1e0..cc7628aecf949ddc53b1920d3f0936026f7d5334 100644
--- a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_source_controller_test.cpp
+++ b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_source_controller_test.cpp
@@ -522,7 +522,7 @@ HWTEST_F(DCameraSourceControllerTest, dcamera_source_controller_test_019, TestSi
     std::shared_ptr<DCameraSourceController> controller = nullptr;
     std::shared_ptr<ICameraChannelListener> listener_ =
         std::make_shared<DCameraSourceControllerChannelListener>(controller);
-    int32_t state = 0;
+    int32_t state = DCAMERA_CHANNEL_STATE_CONNECTED;
     listener_->OnSessionState(state, "");
     int32_t eventType = 1;
     int32_t eventReason = 1;
diff --git a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
index c2a3f93cf7073d420f069e77c1c8dfc9afaac3d5..80ada963d057acfa5eb3bfc4b4d9e8d5077d772a 100644
--- a/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
+++ b/services/cameraservice/sourceservice/test/unittest/common/distributedcameramgr/dcamera_stream_data_process_producer_test.cpp
@@ -153,6 +153,7 @@ HWTEST_F(DCameraStreamDataProcessProducerTest, dcamera_stream_data_process_produ
     streamProcess1->FeedStream(buffer);
     streamProcess1->FeedStream(buffer);
     streamProcess2->Start();
+    sleep(SLEEP_TIME);
     streamProcess2->FeedStream(buffer);
     streamProcess2->FeedStream(buffer);
     DHBase dhBase;
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 90af6a31ce149858d7a1217087c92327bd249f52..aa39e1470bbf81337272a7d2ce0cf84d37142057 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
@@ -197,6 +197,10 @@ HWTEST_F(DCameraPipelineSourceTest, dcamera_pipeline_source_test_005, TestSize.L
     buffers.push_back(db);
     int32_t rc = testSourcePipeline_->ProcessData(buffers);
     EXPECT_EQ(rc, DCAMERA_INIT_ERR);
+
+    testPipelineSource_->piplineType_ = PipelineType::PHOTO_JPEG;
+    rc = testPipelineSource_->ProcessData(buffers);
+    EXPECT_EQ(rc, DCAMERA_NOT_FOUND);
 }
 
 /**