diff --git a/src/mnode/src/mnodeMnode.c b/src/mnode/src/mnodeMnode.c
index ca6d6400ae62016eab7504e64638dc000fd44e2c..ae3a52c9a2ec436ee20cd9e5fd80378e181765a0 100644
--- a/src/mnode/src/mnodeMnode.c
+++ b/src/mnode/src/mnodeMnode.c
@@ -485,7 +485,7 @@ static int32_t mnodeGetMnodeMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pC
   pSchema[cols].bytes = htons(pShow->bytes[cols]);
   cols++;
 
-  pShow->bytes[cols] = 40 + VARSTR_HEADER_SIZE;
+  pShow->bytes[cols] = TSDB_EP_LEN + VARSTR_HEADER_SIZE;
   pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
   strcpy(pSchema[cols].name, "end_point");
   pSchema[cols].bytes = htons(pShow->bytes[cols]);