diff --git a/services/channel/src/dcamera_softbus_adapter.cpp b/services/channel/src/dcamera_softbus_adapter.cpp
index a945246e9d11b9805a54a84fe66103e4b643de58..d608e25bc3ae9650d8f1850595c9c5a3cc3992e4 100644
--- a/services/channel/src/dcamera_softbus_adapter.cpp
+++ b/services/channel/src/dcamera_softbus_adapter.cpp
@@ -220,6 +220,8 @@ int32_t DCameraSoftbusAdapter::CreateSoftBusSourceSocketClient(std::string myDev
             .dataType = sessionModeAndDataTypeMap_[sessionMode],
         };
     }
+    DHLOGD("create socket client myDevIdPeerSessionName: %{public}s, srcSessionName: %{public}s",
+        GetAnonyString(myDevIdPeerSessionName).c_str(), GetAnonyString(srcSessionName).c_str());
     int socketId = Socket(clientSocketInfo);
     if (socketId < 0) {
         DHLOGE("create socket client error, socket is invalid");
diff --git a/services/channel/test/unittest/common/channel/dcamera_softbus_adapter_test.cpp b/services/channel/test/unittest/common/channel/dcamera_softbus_adapter_test.cpp
index 46785afdb9f85b175a43e4d410be4554d9e12d14..d13b7b196d6e7235ab3f2d9b22ea8cfe6ef8a639 100644
--- a/services/channel/test/unittest/common/channel/dcamera_softbus_adapter_test.cpp
+++ b/services/channel/test/unittest/common/channel/dcamera_softbus_adapter_test.cpp
@@ -23,6 +23,7 @@
 #include "data_buffer.h"
 #include "dcamera_softbus_session.h"
 #include "dcamera_hisysevent_adapter.h"
+#include "dcamera_utils_tools.h"
 #include "distributed_camera_constants.h"
 #include "distributed_camera_errno.h"
 #include "session_bus_center.h"
@@ -427,6 +428,7 @@ HWTEST_F(DCameraSoftbusAdapterTest, dcamera_softbus_adapter_test_014, TestSize.L
     DCameraSessionMode sessionMode = DCameraSessionMode::DCAMERA_SESSION_MODE_VIDEO;
     std::string peerDevId = TEST_DEVICE_ID;
     std::string myDevId = "abcde";
+    ManageSelectChannel::GetInstance().SetSinkConnect(true);
     int32_t ret = DCameraSoftbusAdapter::GetInstance().CreateSoftBusSourceSocketClient(myDevId, peerSessName, peerDevId,
         sessionMode, role);
     int32_t sessionId = 2;
@@ -820,5 +822,82 @@ HWTEST_F(DCameraSoftbusAdapterTest, dcamera_softbus_adapter_test_032, TestSize.L
     ret = DCameraSoftbusAdapter::GetInstance().HandleSourceStreamExt(dataBuffer, data);
     EXPECT_EQ(DCAMERA_BAD_VALUE, ret);
 }
+
+/**
+ * @tc.name: dcamera_softbus_adapter_test_033
+ * @tc.desc: Verify the DCameraSoftbusSourceGetSession function.
+ * @tc.type: FUNC
+ * @tc.require:
+ */
+HWTEST_F(DCameraSoftbusAdapterTest, dcamera_softbus_adapter_test_033, TestSize.Level1)
+{
+    std::string sessionName = "sourcetest033";
+    DCAMERA_CHANNEL_ROLE role = DCAMERA_CHANNLE_ROLE_SOURCE;
+    std::string mySessName = "sourcetest033";
+    std::string peerSessName = "sourcetest033";
+    DCameraSessionMode sessionMode = DCameraSessionMode::DCAMERA_SESSION_MODE_CTRL;
+    std::string peerDevId = TEST_DEVICE_ID;
+    std::string myDevId = "abcde";
+    ManageSelectChannel::GetInstance().SetSrcConnect(true);
+    int32_t ret = DCameraSoftbusAdapter::GetInstance().CreateSoftBusSourceSocketClient(myDevId, peerSessName, peerDevId,
+        sessionMode, role);
+    int32_t sessionId = 27;
+    std::shared_ptr<DCameraSoftbusSession> session = std::make_shared<DCameraSoftbusSession>();
+    PeerSocketInfo info = {
+        .name = const_cast<char*>(peerSessName.c_str()),
+        .pkgName = const_cast<char*>(DCAMERA_PKG_NAME.c_str()),
+        .networkId = const_cast<char*>(peerDevId.c_str()),
+        .dataType = TransDataType::DATA_TYPE_BYTES,
+    };
+    ret = DCameraSoftbusAdapter::GetInstance().SourceOnBind(sessionId, info);
+    ret = DCameraSoftbusAdapter::GetInstance().DCameraSoftbusSourceGetSession(sessionId, session);
+    EXPECT_EQ(DCAMERA_NOT_FOUND, ret);
+    mySessName = "sourcetest0027";
+    ret = DCameraSoftbusAdapter::GetInstance().DCameraSoftbusSourceGetSession(sessionId, session);
+    EXPECT_EQ(DCAMERA_NOT_FOUND, ret);
+    sessionId = 2;
+    DCameraSoftbusAdapter::GetInstance().DestroySoftbusSessionServer(sessionName);
+    EXPECT_EQ(DCAMERA_NOT_FOUND, ret);
+
+    int32_t socket = 0;
+    DCameraSoftbusAdapter::GetInstance().RecordSourceSocketSession(socket, session);
+
+    session = nullptr;
+    DCameraSoftbusAdapter::GetInstance().RecordSourceSocketSession(socket, session);
+    std::shared_ptr<DataBuffer> buffer = nullptr;
+    StreamData *ext = nullptr;
+    ret = DCameraSoftbusAdapter::GetInstance().HandleSourceStreamExt(buffer, ext);
+    EXPECT_EQ(DCAMERA_BAD_VALUE, ret);
+}
+
+/**
+ * @tc.name: dcamera_softbus_adapter_test_034
+ * @tc.desc: Verify the SendSofbusStream function.
+ * @tc.type: FUNC
+ * @tc.require:
+ */
+HWTEST_F(DCameraSoftbusAdapterTest, dcamera_softbus_adapter_test_034, TestSize.Level1)
+{
+    std::string sessionName = "sourcetest034";
+    DCAMERA_CHANNEL_ROLE role = DCAMERA_CHANNLE_ROLE_SOURCE;
+    std::string mySessName = "sourcetest034";
+    std::string peerSessName = "sinktest02";
+    DCameraSessionMode sessionMode = DCameraSessionMode::DCAMERA_SESSION_MODE_VIDEO;
+    std::string peerDevId = TEST_DEVICE_ID;
+    std::string myDevId = "abcde";
+    int32_t ret = DCameraSoftbusAdapter::GetInstance().CreateSoftBusSourceSocketClient(myDevId, peerSessName, peerDevId,
+        sessionMode, role);
+    size_t capacity = 1;
+    std::shared_ptr<DataBuffer> dataBuffer = std::make_shared<DataBuffer>(capacity);
+    int32_t sessionId = 1;
+    dataBuffer->SetInt64(TIME_STAMP_US, 1);
+    dataBuffer->SetInt64(FRAME_TYPE, 1);
+    dataBuffer->SetInt64(INDEX, 1);
+    dataBuffer->SetInt64(START_ENCODE_TIME_US, 0);
+    dataBuffer->SetInt64(FINISH_ENCODE_TIME_US, 1);
+    ret = DCameraSoftbusAdapter::GetInstance().SendSofbusStream(sessionId, dataBuffer);
+    DCameraSoftbusAdapter::GetInstance().DestroySoftbusSessionServer(sessionName);
+    EXPECT_EQ(DCAMERA_OK, ret);
+}
 }
 }
\ No newline at end of file
diff --git a/services/channel/test/unittest/common/channel/dcamera_softbus_latency_test.cpp b/services/channel/test/unittest/common/channel/dcamera_softbus_latency_test.cpp
index 952cabb5d7a2476ccf63efba752eb8b278d62f02..73c086d4e51825122e72214740035ea48daaaf0b 100644
--- a/services/channel/test/unittest/common/channel/dcamera_softbus_latency_test.cpp
+++ b/services/channel/test/unittest/common/channel/dcamera_softbus_latency_test.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2023-2024 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
diff --git a/services/channel/test/unittest/common/channel/dcamera_softbus_session_test.cpp b/services/channel/test/unittest/common/channel/dcamera_softbus_session_test.cpp
index e5404c891b23be070a3fc6a6913911a41b9e69ce..474d2d87ec20160ba1ecb2d602fd578802442dad 100644
--- a/services/channel/test/unittest/common/channel/dcamera_softbus_session_test.cpp
+++ b/services/channel/test/unittest/common/channel/dcamera_softbus_session_test.cpp
@@ -175,6 +175,8 @@ HWTEST_F(DCameraSoftbusSessionTest, dcamera_softbus_session_test_005, TestSize.L
     size = 2;
     softbusSession_->PackRecvData(buffer);
     usleep(TEST_SLEEP_SEC);
+    buffer = nullptr;
+    softbusSession_->PackRecvData(buffer);
     int32_t ret = softbusSession_->CloseSession();
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -196,6 +198,8 @@ HWTEST_F(DCameraSoftbusSessionTest, dcamera_softbus_session_test_006, TestSize.L
     softbusSession_->AssembleNoFrag(buffer, headerPara);
     headerPara.totalLen = 1;
     softbusSession_->AssembleNoFrag(buffer, headerPara);
+    buffer = nullptr;
+    softbusSession_->AssembleNoFrag(buffer, headerPara);
     int32_t ret = softbusSession_->CloseSession();
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -227,6 +231,8 @@ HWTEST_F(DCameraSoftbusSessionTest, dcamera_softbus_session_test_007, TestSize.L
     softbusSession_->nowSubSeq_ = 1;
     headerPara.totalLen = 10;
     softbusSession_->AssembleFrag(buffer, headerPara);
+    buffer = nullptr;
+    softbusSession_->AssembleFrag(buffer, headerPara);
     int32_t ret = softbusSession_->CloseSession();
     EXPECT_EQ(DCAMERA_OK, ret);
 }
@@ -301,6 +307,9 @@ HWTEST_F(DCameraSoftbusSessionTest, dcamera_softbus_session_test_010, TestSize.L
     mode = DCAMERA_SESSION_MODE_JPEG;
     ret = softbusSession_->SendData(mode, buffer);
     EXPECT_EQ(DCAMERA_WRONG_STATE, ret);
+    mode = static_cast<DCameraSessionMode>(-1);
+    ret = softbusSession_->SendData(mode, buffer);
+    EXPECT_EQ(DCAMERA_NOT_FOUND, ret);
     softbusSession_->sendFuncMap_.clear();
     ret = softbusSession_->SendData(mode, buffer);
     EXPECT_EQ(DCAMERA_NOT_FOUND, ret);