diff --git a/src/HDLog.c b/src/HDLog.c
index 8537cc9..53a54f6 100644
--- a/src/HDLog.c
+++ b/src/HDLog.c
@@ -48,6 +48,7 @@ static HShellMatch sLogMatch[] = {
     HSHELL_MATCH_ITEM(kLogLevelTVHex, "logTVHex"),
     HSHELL_MATCH_ITEM(kLogLevelStack, "logStack"),
     HSHELL_MATCH_ITEM(kLogLevelHeap, "logHeap"),
+    HSHELL_MATCH_ITEM(kLogLevelTrace, "logTrace"),
 #if USE_HD_FPGA_CHECK
     HSHELL_MATCH_ITEM(CHECK_FPGA_INFO_ID, "checkFpga"),
     HSHELL_MATCH_ITEM(CHECK_FPGA_INFO_ID + 1, "clearCheckFpga"),
@@ -223,7 +224,7 @@ void HDLogInit(uint32_t (*getTime)())
     HSHellRegister(sLogMatch, sizeof(sLogMatch) / sizeof(HShellMatch), LogShell, 1);
     if (sFlashCall == NULL)
     {
-        HBitSet(sLogItem, kLogLevelSwitch, 1);
+        HBitSet(sLogItem, kLogLevelSwitch, 0);
         HBitSet(sLogItem, kLogLevelDebug, 1);
         HBitSet(sLogItem, kLogLevelError, 1);
         HBitSet(sLogItem, kLogLevelHex, 0);
diff --git a/src/HDProtocolServer.c b/src/HDProtocolServer.c
index fbd1aea..972b34e 100644
--- a/src/HDProtocolServer.c
+++ b/src/HDProtocolServer.c
@@ -231,6 +231,7 @@ void HDProtocolRegisterInit(HDProtocolServerInfo *info, int len)
 {
     sInfo.info = info;
     sInfo.infoLen = len;
+    sInfo.useIndex = sInfo.infoLen;
 }
 
 uint8_t HDProtocolCurrSend(const void *data, int len)