diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 23d9c41a5198d4972824a4b935efe92007faa55a..ac998b807e2c6124c12d36867b268a799e9f2d9d 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -152,7 +152,10 @@ void    taosCfgDynamicOptions(const char *option, const char *value);
 void    taosAddDataDir(int32_t index, char *v1, int32_t level, int32_t primary);
 
 struct SConfig *taosGetCfg();
-int32_t taosSetCfg(SConfig *pCfg, char* name);
+
+void    taosSetAllDebugFlag(int32_t flag);
+void    taosSetDebugFlag(int32_t *pFlagPtr, const char *flagName, int32_t flagVal);
+int32_t taosSetCfg(SConfig *pCfg, char *name);
 
 #ifdef __cplusplus
 }
diff --git a/include/util/tlog.h b/include/util/tlog.h
index d186c328412d5eb25983103afced9d3e00c8dccd..76d04a5997f1247d830e435bd2a2b1058fc0f0ec 100644
--- a/include/util/tlog.h
+++ b/include/util/tlog.h
@@ -67,7 +67,6 @@ extern int32_t idxDebugFlag;
 int32_t taosInitLog(const char *logName, int32_t maxFiles);
 void    taosCloseLog();
 void    taosResetLog();
-void    taosSetAllDebugFlag(int32_t flag);
 void    taosDumpData(uint8_t *msg, int32_t len);
 
 void taosPrintLog(const char *flags, ELogLevel level, int32_t dflag, const char *format, ...)
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 36900e3dfaa32ce5eaf6953b14402924736d39ca..7a20969a633d5d349c7cb0944e6c1162edec14ef 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -1143,6 +1143,10 @@ void taosCfgDynamicOptions(const char *option, const char *value) {
     int32_t monitor = atoi(value);
     uInfo("monitor set from %d to %d", tsEnableMonitor, monitor);
     tsEnableMonitor = monitor;
+    SConfigItem *pItem = cfgGetItem(tsCfg, "monitor");
+    if (pItem != NULL) {
+      pItem->bval = tsEnableMonitor;
+    }
     return;
   }
 
@@ -1166,8 +1170,39 @@ void taosCfgDynamicOptions(const char *option, const char *value) {
     int32_t flag = atoi(value);
     uInfo("%s set from %d to %d", optName, *optionVars[d], flag);
     *optionVars[d] = flag;
+    taosSetDebugFlag(optionVars[d], optName, flag);
     return;
   }
 
   uError("failed to cfg dynamic option:%s value:%s", option, value);
 }
+
+void taosSetDebugFlag(int32_t *pFlagPtr, const char *flagName, int32_t flagVal) {
+  SConfigItem *pItem = cfgGetItem(tsCfg, flagName);
+  if (pItem != NULL) {
+    pItem->i32 = flagVal;
+  }
+  *pFlagPtr = flagVal;
+}
+
+void taosSetAllDebugFlag(int32_t flag) {
+  if (flag <= 0) return;
+
+  taosSetDebugFlag(&uDebugFlag, "uDebugFlag", flag);
+  taosSetDebugFlag(&rpcDebugFlag, "rpcDebugFlag", flag);
+  taosSetDebugFlag(&jniDebugFlag, "jniDebugFlag", flag);
+  taosSetDebugFlag(&qDebugFlag, "qDebugFlag", flag);
+  taosSetDebugFlag(&cDebugFlag, "cDebugFlag", flag);
+  taosSetDebugFlag(&dDebugFlag, "dDebugFlag", flag);
+  taosSetDebugFlag(&vDebugFlag, "vDebugFlag", flag);
+  taosSetDebugFlag(&mDebugFlag, "mDebugFlag", flag);
+  taosSetDebugFlag(&wDebugFlag, "wDebugFlag", flag);
+  taosSetDebugFlag(&sDebugFlag, "sDebugFlag", flag);
+  taosSetDebugFlag(&tsdbDebugFlag, "tsdbDebugFlag", flag);
+  taosSetDebugFlag(&tqDebugFlag, "tqDebugFlag", flag);
+  taosSetDebugFlag(&fsDebugFlag, "fsDebugFlag", flag);
+  taosSetDebugFlag(&udfDebugFlag, "udfDebugFlag", flag);
+  taosSetDebugFlag(&smaDebugFlag, "smaDebugFlag", flag);
+  taosSetDebugFlag(&idxDebugFlag, "idxDebugFlag", flag);
+  uInfo("all debug flag are set to %d", flag);
+}
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index f26c1a7d3224d48579a19af5c1f85ffcc525e56a..7141a62be51d11f5a65e2a02cb2f52fe070f8612 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -874,7 +874,7 @@ static int32_t mndProcessConfigDnodeReq(SRpcMsg *pReq) {
 }
 
 static int32_t mndProcessConfigDnodeRsp(SRpcMsg *pRsp) {
-  mInfo("config rsp from dnode, app:%p", pRsp->info.ahandle);
+  mInfo("config rsp from dnode");
   return 0;
 }
 
diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index 11ae31919a44e73a1ac74864532caf1bc2c0ae4f..ab7e30bab24679e02b4d4a45f990ea27c473db39 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -335,6 +335,7 @@ int32_t cfgSetItem(SConfig *pCfg, const char *name, const char *value, ECfgSrcTy
 }
 
 SConfigItem *cfgGetItem(SConfig *pCfg, const char *name) {
+  if (pCfg == NULL) return NULL;
   int32_t size = taosArrayGetSize(pCfg->array);
   for (int32_t i = 0; i < size; ++i) {
     SConfigItem *pItem = taosArrayGet(pCfg->array, i);
diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index 490c6f29bf135c15ac261f3216f040280cc4dd55..a71a75eac5844227d6249f0df2dc03d159a482e2 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -17,6 +17,7 @@
 #include "tlog.h"
 #include "os.h"
 #include "tutil.h"
+#include "tconfig.h"
 
 #define LOG_MAX_LINE_SIZE             (1024)
 #define LOG_MAX_LINE_BUFFER_SIZE      (LOG_MAX_LINE_SIZE + 3)
@@ -62,6 +63,7 @@ typedef struct {
   TdThreadMutex logMutex;
 } SLogObj;
 
+extern SConfig *tsCfg;
 static int8_t  tsLogInited = 0;
 static SLogObj tsLogObj = {.fileNum = 1};
 static int64_t tsAsyncLogLostLines = 0;
@@ -741,25 +743,3 @@ cmp_end:
 
   return ret;
 }
-
-void taosSetAllDebugFlag(int32_t flag) {
-  if (flag <= 0) return;
-
-  uDebugFlag = flag;
-  rpcDebugFlag = flag;
-  jniDebugFlag = flag;
-  qDebugFlag = flag;
-  cDebugFlag = flag;
-  dDebugFlag = flag;
-  vDebugFlag = flag;
-  mDebugFlag = flag;
-  wDebugFlag = flag;
-  sDebugFlag = flag;
-  tsdbDebugFlag = flag;
-  tqDebugFlag = flag;
-  fsDebugFlag = flag;
-  udfDebugFlag = flag;
-  smaDebugFlag = flag;
-  idxDebugFlag = flag;
-  uInfo("all debug flag are set to %d", flag);
-}