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 10e6695ee5..6144019fb8 100644
--- a/source/client/src/clientMonitor.c
+++ b/source/client/src/clientMonitor.c
@@ -691,7 +691,7 @@ 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 b14b0823a3..9fc6061612 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -191,7 +191,7 @@ 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),
@@ -473,7 +473,7 @@ 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);
diff --git a/source/util/src/tutil.c b/source/util/src/tutil.c
index 94f514e208..6e26203d31 100644
--- a/source/util/src/tutil.c
+++ b/source/util/src/tutil.c
@@ -506,11 +506,11 @@ 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;
   }