diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 4d5ed5e20a..ff958fad85 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -996,7 +996,7 @@ static int32_t translateHistogram(SFunctionNode* pFunc, char* pErrBuf, int32_t l
     }
 
     if (i == 2) {
-      char errMsg[64] = {0};
+      char errMsg[128] = {0};
       binDesc = varDataVal(pValue->datum.p);
       if (!validateHistogramBinDesc(binDesc, binType, errMsg, (int32_t)sizeof(errMsg))) {
         return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR, errMsg);
diff --git a/source/libs/function/src/functionMgt.c b/source/libs/function/src/functionMgt.c
index 7ad7612e7e..262adc5d6f 100644
--- a/source/libs/function/src/functionMgt.c
+++ b/source/libs/function/src/functionMgt.c
@@ -260,7 +260,7 @@ bool fmIsSameInOutType(int32_t funcId) {
 }
 
 static int32_t getFuncInfo(SFunctionNode* pFunc) {
-  char msg[64] = {0};
+  char msg[128] = {0};
   return fmGetFuncInfo(pFunc, msg, sizeof(msg));
 }