diff --git a/middleware/McuManager/src/McuDevice.cpp b/middleware/McuManager/src/McuDevice.cpp
index f9f31bae..bd50a57e 100644
--- a/middleware/McuManager/src/McuDevice.cpp
+++ b/middleware/McuManager/src/McuDevice.cpp
@@ -172,6 +172,7 @@ void McuDevice::DeviceRecvThread(void)
         LogInfo("mcu recv length = %ld\n", recvLength);
         recvTotalLength += recvLength;
         if (keyHeadLength == recvTotalLength) {
+            PrintHexadecimalData(keyHeadBuf, keyHeadLength, "Recv head:");
             DeviceRecvData(keyHeadBuf, keyHeadLength);
             memset(keyHeadBuf, 0, keyHeadLength);
             recvTotalLength = 0;
@@ -210,9 +211,13 @@ void McuDevice::DeviceRecvData(const char *keyHead, const size_t headLength)
                                        dataBuf + headLength + recvTotalLength,
                                        dataLength - headLength - recvTotalLength,
                                        RECV_TIMEOUT_MS);
-        LogInfo("recv data length = %d\n", recvLength);
+        if (recvLength > 0) {
+            PrintHexadecimalData(dataBuf, recvLength, "Recv data:");
+        }
+
         recvTotalLength += recvLength;
         if (dataLength - headLength == recvTotalLength) {
+            PrintHexadecimalData(dataBuf, dataLength, "Recv all data:");
             PushMcuData(dataBuf, dataLength);
             break;
         }