diff --git a/test/utils/McuProtocol/tool/include/McuProtocolTestTool.h b/test/utils/McuProtocol/tool/include/McuProtocolTestTool.h
index 3e03e542..f063f681 100644
--- a/test/utils/McuProtocol/tool/include/McuProtocolTestTool.h
+++ b/test/utils/McuProtocol/tool/include/McuProtocolTestTool.h
@@ -30,6 +30,7 @@ public:
 
 private:
     void CheckSerialNumber(const void *buf, const size_t &count);
+    void ChecCRC16Code(const void *buf, const size_t &count);
     void ResetCheckCode(const void *buf, const size_t &count);
     void ReplySelectSucceed(std::shared_ptr<LinuxTest> &mock, const int &uartFd);
     void IpcMissionProtocolHandle(std::shared_ptr<LinuxTest> &mock, const int &uartFd, const void *buf, size_t count);
diff --git a/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp b/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
index 44073100..47e7eb9e 100644
--- a/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
+++ b/test/utils/McuProtocol/tool/src/McuProtocolTestTool.cpp
@@ -29,7 +29,7 @@ unsigned char ASK_FEED_WATCH_DOG[] = {0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x81,
 unsigned char ASK_SET_FEEDING_CYCLE[] = {
     0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x81, 0x04, 0x00, 0x0F, 0x01, 0x01, 0x01, 0xA7, 0x9A};
 unsigned char REPLY_SET_FEEDING_CYCLE[] = {
-    0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x0F, 0x01, 0x01, 0x01, 0x52, 0x26};
+    0xFA, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x0D, 0x01, 0x52, 0x26};
 McuProtocolTestTool::McuProtocolTestTool()
 {
     mSerialNumberCheck = 0;
@@ -42,6 +42,7 @@ void McuProtocolTestTool::Init(std::shared_ptr<LinuxTest> &mock, const UartInfo
     auto api_write = [=, &mock](int fd, const void *buf, size_t count) {
         McuProtocolTestTool::PrintHexadecimalData(buf, count, WRITE_PRINT);
         CheckSerialNumber(buf, count);
+        ChecCRC16Code(buf, count);
         IpcMissionProtocolHandle(mock, uartFd, buf, count);
         CutOffPowerSupplyProtocolHandle(mock, uartFd, buf, count);
         FeedWatchDogProtocolHandle(mock, uartFd, buf, count);
@@ -70,10 +71,15 @@ void McuProtocolTestTool::CheckSerialNumber(const void *buf, const size_t &count
         mSerialNumberCheck++;
     }
 }
+void McuProtocolTestTool::ChecCRC16Code(const void *buf, const size_t &count)
+{
+    short code = calculate_check_sum((unsigned char *)buf, count - PROTOCOL_CHECK_CODE_LENGTH);
+    EXPECT_EQ(memcmp((unsigned char *)buf + count - PROTOCOL_CHECK_CODE_LENGTH, &code, 2), 0);
+}
 void McuProtocolTestTool::ResetCheckCode(const void *buf, const size_t &count)
 {
     short checkCode = calculate_check_sum((unsigned char *)buf, count - PROTOCOL_CHECK_CODE_LENGTH);
-    checkCode = htons(checkCode);
+    // checkCode = htons(checkCode);
     memcpy((unsigned char *)buf + count - PROTOCOL_CHECK_CODE_LENGTH, &checkCode, PROTOCOL_CHECK_CODE_LENGTH);
 }
 void McuProtocolTestTool::ReplySelectSucceed(std::shared_ptr<LinuxTest> &mock, const int &uartFd)
@@ -193,6 +199,7 @@ void McuProtocolTestTool::FeedingCycleProtocolInit(std::shared_ptr<LinuxTest> &m
 {
     LockProtocolHandle();
     memcpy(REPLY_SET_FEEDING_CYCLE + 2, (unsigned char *)buf + 2, PROTOCOL_SERIAL_NUMBER_LENGTH);
+    ResetCheckCode(REPLY_SET_FEEDING_CYCLE, sizeof(REPLY_SET_FEEDING_CYCLE));
     ReplySelectSucceed(mock, uartFd);
     constexpr int LEFT_DATA_LENGTH = sizeof(REPLY_SET_FEEDING_CYCLE) - PROTOCOL_DATA_KEY_HEAD_LENGTH;
     auto apiReadKeyHead = [=](int fd, void *buf, size_t count) {
diff --git a/utils/McuProtocol/src/LittleEndianHandle.cpp b/utils/McuProtocol/src/LittleEndianHandle.cpp
index 1484af34..b7ba7a4a 100644
--- a/utils/McuProtocol/src/LittleEndianHandle.cpp
+++ b/utils/McuProtocol/src/LittleEndianHandle.cpp
@@ -39,17 +39,13 @@ void LittleEndianHandle::HostByteOrderConversion(ProtocolPacket &packet)
     packet.mHead = ntohs(packet.mHead);
     packet.mCommand = ntohs(packet.mCommand);
     packet.mLength = ntohs(packet.mLength);
-    LogInfo("========2====== packet.mCheckCode = 0x%x\n", packet.mCheckCode);
     packet.mCheckCode = ntohs(packet.mCheckCode);
-    LogInfo("=========2===== packet.mCheckCode = 0x%x\n", packet.mCheckCode);
     packet.mSerialNumber = ntohl(packet.mSerialNumber);
 }
 bool LittleEndianHandle::CheckoutTheCheckCode(const ProtocolPacket &packet)
 {
     short code = calculate_check_sum(mProtocolData, mProtocolDataLength - sizeof(short));
-    LogInfo("============== packet.mCheckCode = 0x%x\n", packet.mCheckCode);
-    code = ntohs(code);
-    LogInfo("============== code = 0x%x\n", code);
+    code = ntohs(code); // TODO:
     if (code == packet.mCheckCode) {
         return true;
     }
diff --git a/utils/McuProtocol/src/McuProtocol.cpp b/utils/McuProtocol/src/McuProtocol.cpp
index f95a0b55..5877b3fa 100644
--- a/utils/McuProtocol/src/McuProtocol.cpp
+++ b/utils/McuProtocol/src/McuProtocol.cpp
@@ -117,7 +117,7 @@ void McuProtocol::PushMcuData(const void *buf, const size_t &length)
     }
     LogInfo("PushMcuData\n");
     memcpy(data, buf, length);
-    ProtocolHandle::PrintHexadecimalData(data, length);
+    ProtocolHandle::PrintHexadecimalData(data, length, "PushMcuData=");
     std::lock_guard<std::mutex> locker(mMutex);
     SingleMcuPacket packet(data, length);
     mMcuDataList.push_back(packet);
diff --git a/utils/McuProtocol/src/ProtocolHandle.cpp b/utils/McuProtocol/src/ProtocolHandle.cpp
index 931a2fb7..69966f8d 100644
--- a/utils/McuProtocol/src/ProtocolHandle.cpp
+++ b/utils/McuProtocol/src/ProtocolHandle.cpp
@@ -94,7 +94,7 @@ void ProtocolHandle::MakeNoUserDataPacket(const std::shared_ptr<VProtocolParam>
     BigEndianConversion(packet);
     memcpy(mProtocolData, &packet, KEY_HEAD_LENGTH);
     packet.mCheckCode = calculate_check_sum(mProtocolData, dataLength - sizeof(short));
-    packet.mCheckCode = BigEndianConversion(packet.mCheckCode);
+    // packet.mCheckCode = BigEndianConversion(packet.mCheckCode);
     memcpy(mProtocolData + KEY_HEAD_LENGTH, &packet.mCheckCode, sizeof(short));
     mProtocolDataLength = dataLength;
 }
@@ -137,7 +137,7 @@ void ProtocolHandle::MakeAskSetFeedingCyclePacket(const std::shared_ptr<VProtoco
     memcpy(mProtocolData, &packet, KEY_HEAD_LENGTH);
     memcpy(mProtocolData + KEY_HEAD_LENGTH, feedingCycle, PARAM_DATA_LENGTH);
     packet.mCheckCode = calculate_check_sum(mProtocolData, dataLength - sizeof(short));
-    packet.mCheckCode = BigEndianConversion(packet.mCheckCode);
+    // packet.mCheckCode = BigEndianConversion(packet.mCheckCode);
     memcpy(mProtocolData + dataLength - sizeof(short), &packet.mCheckCode, sizeof(short));
     mProtocolDataLength = dataLength;
 }
@@ -149,6 +149,7 @@ void ProtocolHandle::AnalyzeProtocolPacket(void)
            (unsigned char *)mProtocolData + mProtocolDataLength - sizeof(unsigned short),
            sizeof(unsigned short));
     HostByteOrderConversion(packet);
+    PrintHexadecimalData(&packet, sizeof(ProtocolPacket), "HostByteOrderConversion=");
     if (CheckoutTheCheckCode(packet) == false) {
         LogError("CheckoutTheCheckCode failed.\n");
         return;
diff --git a/utils/McuProtocol/src/ProtocolHandle.h b/utils/McuProtocol/src/ProtocolHandle.h
index 565fcd6e..07c7bf66 100644
--- a/utils/McuProtocol/src/ProtocolHandle.h
+++ b/utils/McuProtocol/src/ProtocolHandle.h
@@ -28,7 +28,7 @@ typedef struct protocol_packet
     unsigned int mSerialNumber;
     short mCommand;
     short mLength;
-    char *mData;
+    // char *mData;
     short mCheckCode;
 } ProtocolPacket;
 #pragma pack()