diff --git a/include/util/tconfig.h b/include/util/tconfig.h
index f109153384..3fc247982f 100644
--- a/include/util/tconfig.h
+++ b/include/util/tconfig.h
@@ -84,11 +84,11 @@ typedef struct SConfigItem {
   };
   union {
     int64_t imin;
-    double  fmin;
+    float   fmin;
   };
   union {
     int64_t imax;
-    double  fmax;
+    float   fmax;
   };
   SArray *array;  // SDiskCfg/SLogVar
 } SConfigItem;
diff --git a/include/util/tutil.h b/include/util/tutil.h
index 6c7517f630..6321d2011a 100644
--- a/include/util/tutil.h
+++ b/include/util/tutil.h
@@ -55,7 +55,7 @@ void     taosIpPort2String(uint32_t ip, uint16_t port, char *str);
 
 void *tmemmem(const char *haystack, int hlen, const char *needle, int nlen);
 
-int32_t parseCfgReal(const char *str, double *out);
+int32_t parseCfgReal(const char *str, float *out);
 
 static FORCE_INLINE void taosEncryptPass(uint8_t *inBuf, size_t inLen, char *target) {
   T_MD5_CTX context;
diff --git a/source/client/src/clientMonitor.c b/source/client/src/clientMonitor.c
index 4492073620..612f57ecdd 100644
--- a/source/client/src/clientMonitor.c
+++ b/source/client/src/clientMonitor.c
@@ -696,7 +696,7 @@ static void monitorSendAllSlowLogFromTempDir(int64_t clusterId) {
       continue;
     }
     if (taosLockFile(pFile) < 0) {
-      tscError("failed to lock file:%s since %s, maybe used by other process", filename, terrstr());
+      tscInfo("failed to lock file:%s since %s, maybe used by other process", filename, terrstr());
       (void)taosCloseFile(&pFile);
       continue;
     }
diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index 29d8b38146..6e8ad547e1 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -193,15 +193,15 @@ static int32_t cfgSetInt64(SConfigItem *pItem, const char *value, ECfgSrcType st
 }
 
 static int32_t cfgSetFloat(SConfigItem *pItem, const char *value, ECfgSrcType stype) {
-  double dval;
+  float dval = 0;
   TAOS_CHECK_RETURN(parseCfgReal(value, &dval));
   if (dval < pItem->fmin || dval > pItem->fmax) {
-    uError("cfg:%s, type:%s src:%s value:%f out of range[%f, %f]", pItem->name, cfgDtypeStr(pItem->dtype),
+    uError("cfg:%s, type:%s src:%s value:%g out of range[%g, %g]", pItem->name, cfgDtypeStr(pItem->dtype),
            cfgStypeStr(stype), dval, pItem->fmin, pItem->fmax);
     TAOS_RETURN(TSDB_CODE_OUT_OF_RANGE);
   }
 
-  pItem->fval = (float)dval;
+  pItem->fval = dval;
   pItem->stype = stype;
   TAOS_RETURN(TSDB_CODE_SUCCESS);
 }
@@ -385,6 +385,10 @@ int32_t cfgSetItem(SConfig *pCfg, const char *name, const char *value, ECfgSrcTy
     (void)taosThreadMutexUnlock(&pCfg->lock);
   }
 
+  if (code != 0){
+    uError("cfg:%s, type:%s src:%s value:%s failed since %s", pItem->name, cfgDtypeStr(pItem->dtype),
+           cfgStypeStr(stype), value, tstrerror(code));
+  }
   TAOS_RETURN(code);
 }
 
@@ -475,14 +479,14 @@ int32_t cfgCheckRangeForDynUpdate(SConfig *pCfg, const char *name, const char *p
     } break;
     case CFG_DTYPE_FLOAT:
     case CFG_DTYPE_DOUBLE: {
-      double  dval;
+      float  dval = 0;
       int32_t code = parseCfgReal(pVal, &dval);
       if (code != TSDB_CODE_SUCCESS) {
         cfgUnLock(pCfg);
         TAOS_RETURN(code);
       }
       if (dval < pItem->fmin || dval > pItem->fmax) {
-        uError("cfg:%s, type:%s value:%f out of range[%f, %f]", pItem->name, cfgDtypeStr(pItem->dtype), dval,
+        uError("cfg:%s, type:%s value:%g out of range[%g, %g]", pItem->name, cfgDtypeStr(pItem->dtype), dval,
                pItem->fmin, pItem->fmax);
         cfgUnLock(pCfg);
         TAOS_RETURN(TSDB_CODE_OUT_OF_RANGE);
diff --git a/source/util/src/tutil.c b/source/util/src/tutil.c
index 081acda20f..48338e7996 100644
--- a/source/util/src/tutil.c
+++ b/source/util/src/tutil.c
@@ -505,11 +505,11 @@ size_t twcsncspn(const TdUcs4 *wcs, size_t size, const TdUcs4 *reject, size_t rs
   return index;
 }
 
-int32_t parseCfgReal(const char *str, double *out) {
-  double val;
+int32_t parseCfgReal(const char *str, float *out) {
+  float val;
   char  *endPtr;
   errno = 0;
-  val = taosStr2Double(str, &endPtr);
+  val = taosStr2Float(str, &endPtr);
   if (str == endPtr || errno == ERANGE || isnan(val)) {
     return terrno = TSDB_CODE_INVALID_CFG_VALUE;
   }