diff --git a/doc/design.md b/doc/design.md
index 82821426..cda152ea 100644
--- a/doc/design.md
+++ b/doc/design.md
@@ -605,7 +605,7 @@ unsigned char chCRCLo[] ={
  * @param       length 数据长度
  * @return      unsigned short 
  */
-unsigned short Calculate_Check_Sum(const unsigned char* pData, unsigned short length)
+unsigned short calculate_check_sum(const unsigned char* pData, unsigned short length)
 {
     unsigned char CRCHi = 0xFF;
     unsigned char CRCLo = 0xFF;
diff --git a/middleware/McuAskBase/include/McuAskBase.h b/middleware/McuAskBase/include/McuAskBase.h
index 1b83a9bb..14a7b410 100644
--- a/middleware/McuAskBase/include/McuAskBase.h
+++ b/middleware/McuAskBase/include/McuAskBase.h
@@ -37,7 +37,7 @@ public:
                const unsigned int timeoutMs = DEFAULT_ASK_TIMEOUT);
     virtual ~McuAskBase() = default;
     ASK_RESULT Blocking(void) override;
-    void StopBlocking(void) override;
+    // void StopBlocking(void) override;
     bool NeedReply(void) override;
     void ReplyFinished(const bool result) override;
     bool IfTimeout(const unsigned int &integrationTimeMs) override;
diff --git a/middleware/McuAskBase/src/McuAskBase.cpp b/middleware/McuAskBase/src/McuAskBase.cpp
index 04b8416c..93ec8878 100644
--- a/middleware/McuAskBase/src/McuAskBase.cpp
+++ b/middleware/McuAskBase/src/McuAskBase.cpp
@@ -33,11 +33,11 @@ ASK_RESULT McuAskBase::Blocking(void)
     }
     return ASK_RESULT::FAILED;
 }
-void McuAskBase::StopBlocking(void)
-{
-    //
-    sem_post(&mSem);
-}
+// void McuAskBase::StopBlocking(void)
+// {
+//     //
+//     sem_post(&mSem);
+// }
 bool McuAskBase::NeedReply(void)
 {
     //
diff --git a/middleware/McuManager/include/IMcuManager.h b/middleware/McuManager/include/IMcuManager.h
index 2a168098..453dc26e 100644
--- a/middleware/McuManager/include/IMcuManager.h
+++ b/middleware/McuManager/include/IMcuManager.h
@@ -35,7 +35,7 @@ public:
     VMcuAsk() { mSerialNumber = 0; }
     virtual ~VMcuAsk() = default;
     virtual ASK_RESULT Blocking(void) { return ASK_RESULT::END; }
-    virtual void StopBlocking(void) {}
+    // virtual void StopBlocking(void) {}
     virtual bool NeedReply(void) { return false; }
     virtual void ReplyFinished(const bool result) {}
     virtual bool IfTimeout(const unsigned int &integrationTimeMs) { return false; }
diff --git a/middleware/McuManager/src/McuDevice.cpp b/middleware/McuManager/src/McuDevice.cpp
index 3d2b38ba..36bb4de0 100644
--- a/middleware/McuManager/src/McuDevice.cpp
+++ b/middleware/McuManager/src/McuDevice.cpp
@@ -16,6 +16,8 @@
 #include "ILog.h"
 #include <string.h>
 constexpr int SLEEP_TIME_MS = 1000;
+constexpr bool REMOVE_THE_ASK = true;
+constexpr bool KEEP_THE_ASK = false;
 /**
  * @brief Do not use static decoration on this constant pointer, as external test code needs to reference it.
  *
@@ -203,15 +205,19 @@ void McuDevice::SearchMcuAsk(const unsigned int &serialNumber, std::shared_ptr<V
 }
 void McuDevice::DeleteMcuAsk(std::shared_ptr<VMcuAsk> &ask)
 {
-    //
     std::lock_guard<std::mutex> locker(mMutex);
+    auto searchMcuAsk = [&ask](std::shared_ptr<VMcuAsk> &askList) -> bool {
+        if (ask->mSerialNumber == askList->mSerialNumber) {
+            return REMOVE_THE_ASK;
+        }
+        return KEEP_THE_ASK;
+    };
+    mAllAsk.remove_if(searchMcuAsk);
 }
 void McuDevice::TraverseCheckAllAsk(void)
 {
     std::lock_guard<std::mutex> locker(mMutex);
     auto ifTimeout = [](std::shared_ptr<VMcuAsk> &ask) -> bool {
-        constexpr bool REMOVE_THE_ASK = true;
-        constexpr bool KEEP_THE_ASK = false;
         if (!ask) {
             return REMOVE_THE_ASK;
         }
diff --git a/test/utils/McuProtocol/tool/CMakeLists.txt b/test/utils/McuProtocol/tool/CMakeLists.txt
index 92c93cd2..56f1fcff 100644
--- a/test/utils/McuProtocol/tool/CMakeLists.txt
+++ b/test/utils/McuProtocol/tool/CMakeLists.txt
@@ -8,6 +8,7 @@ include_directories(
     ${UTILS_SOURCE_PATH}/StatusCode/include
     ${UTILS_SOURCE_PATH}/Log/include
     ${UTILS_SOURCE_PATH}/UartDevice/include
+    ${UTILS_SOURCE_PATH}/ModBusCRC16/include
     ${TEST_SOURCE_PATH}/utils/LinuxApiMock/include
     ${TEST_SOURCE_PATH}/utils/UartDevice/tool/include
     ${EXTERNAL_SOURCE_PATH}/gtest/googletest-release-1.11.0/googletest/include
diff --git a/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp b/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
index 7f10fdec..efc8b3ab 100644
--- a/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
+++ b/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
@@ -14,6 +14,8 @@
  */
 #include "McuProtocolTestTool.h"
 #include "ILog.h"
+#include "ModBusCRC16.h"
+#include <netinet/in.h>
 #include <string.h>
 #include <thread>
 constexpr size_t PROTOCOL_DATA_KEY_HEAD_LENGTH = 10;
@@ -30,7 +32,7 @@ void McuProtocolTestTool::IpcMissionProtocolInit(std::shared_ptr<LinuxTest> &moc
 {
     const unsigned char ASK_IPC_MISSION[] = {0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x81, 0x01, 0x00, 0x0C, 0x3D, 0x68};
     const unsigned char REPLY_IPC_MISSION[] = {
-        0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x0D, 0x01, 0x3D, 0x68};
+        0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x0D, 0x01, 0xAA, 0x89};
     static size_t WRITE_COUNT = -1;
     auto api_write = [=, &mock](int fd, const void *buf, size_t count) {
         McuProtocolTestTool::PrintHexadecimalData(buf, count, WRITE_PRINT);
diff --git a/utils/McuProtocol/src/LittleEndianHandle.cpp b/utils/McuProtocol/src/LittleEndianHandle.cpp
index c48ada37..1a87b580 100644
--- a/utils/McuProtocol/src/LittleEndianHandle.cpp
+++ b/utils/McuProtocol/src/LittleEndianHandle.cpp
@@ -43,7 +43,8 @@ void LittleEndianHandle::HostByteOrderConversion(ProtocolPacket &packet)
 }
 bool LittleEndianHandle::CheckoutTheCheckCode(const ProtocolPacket &packet)
 {
-    short code = Calculate_Check_Sum(mProtocolData, mProtocolDataLength - sizeof(short));
+    short code = calculate_check_sum(mProtocolData, mProtocolDataLength - sizeof(short));
+    code = htons(code);
     if (code == packet.mCheckCode) {
         return true;
     }
diff --git a/utils/McuProtocol/src/ProtocolHandle.cpp b/utils/McuProtocol/src/ProtocolHandle.cpp
index 967b3cd2..ed271f0d 100644
--- a/utils/McuProtocol/src/ProtocolHandle.cpp
+++ b/utils/McuProtocol/src/ProtocolHandle.cpp
@@ -73,7 +73,7 @@ void ProtocolHandle::MakeAskIpcMissionPacket(const std::shared_ptr<VProtocolPara
     packet.mHead = PROTOCOL_HEAD;
     packet.mCommand = param->mCommand;
     packet.mLength = dataLength;
-    packet.mCheckCode = Calculate_Check_Sum(mProtocolData, dataLength - sizeof(short));
+    packet.mCheckCode = calculate_check_sum(mProtocolData, dataLength - sizeof(short));
     packet.mSerialNumber = mSerialNumber;
     mProtocolSerialNumber = packet.mSerialNumber;
     mSerialNumber++;
@@ -122,7 +122,7 @@ void ProtocolHandle::AnalyzeReplyIpcMissionPacket(const ProtocolPacket &packet)
 }
 bool ProtocolHandle::CheckoutTheCheckCode(const ProtocolPacket &packet)
 {
-    short code = Calculate_Check_Sum(mProtocolData, mProtocolDataLength - sizeof(short));
+    short code = calculate_check_sum(mProtocolData, mProtocolDataLength - sizeof(short));
     if (code == packet.mCheckCode) {
         return true;
     }
diff --git a/utils/ModBusCRC16/include/ModBusCRC16.h b/utils/ModBusCRC16/include/ModBusCRC16.h
index acb3335c..38903a08 100644
--- a/utils/ModBusCRC16/include/ModBusCRC16.h
+++ b/utils/ModBusCRC16/include/ModBusCRC16.h
@@ -17,7 +17,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-unsigned short Calculate_Check_Sum(const unsigned char *pData, unsigned short length);
+unsigned short calculate_check_sum(const unsigned char *pData, unsigned short length);
 #ifdef __cplusplus
 }
 #endif
diff --git a/utils/ModBusCRC16/src/ModBusCRC16.cpp b/utils/ModBusCRC16/src/ModBusCRC16.cpp
index 36928cb5..ba8069aa 100644
--- a/utils/ModBusCRC16/src/ModBusCRC16.cpp
+++ b/utils/ModBusCRC16/src/ModBusCRC16.cpp
@@ -53,7 +53,7 @@ unsigned char chCRCLo[] = {
  * @param       length length of data
  * @return      unsigned short
  */
-unsigned short Calculate_Check_Sum(const unsigned char *pData, unsigned short length)
+unsigned short calculate_check_sum(const unsigned char *pData, unsigned short length)
 {
     unsigned char CRCHi = 0xFF;
     unsigned char CRCLo = 0xFF;