diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 84aff9fa88..46109bd6dd 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -1989,7 +1989,7 @@ static int32_t translateCast(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
   }
   if (para2Bytes <= 0 || para2Bytes > 4096) {  // cast dst var type length limits to 4096 bytes
     return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
-                           "CAST function converted length should be in range [0, 4096] bytes");
+                           "CAST function converted length should be in range (0, 4096] bytes");
   }
 
   // add database precision as param