diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 52a918bbe22589d85fc89cbff8249065129f1618..126aa3bc046b1e1d133a4d5f28a30a51fe537846 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -1536,7 +1536,17 @@ int tscBuildCreateTableMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
       pMsg += sizeof(SCreateTableMsg);
 
       SCreatedTableInfo* p = taosArrayGet(list, i);
-      strcpy(pCreate->tableName, p->fullname);
+      //what pCreate->tableName point is a fixed char array which size is 237
+      //what p->fullname point is a char*
+      //before the time we copy p->fullname to pCreate->tableName , we need to check the length of p->fullname
+      if (strlen(p->fullname) > 237) {
+        tscError("failed to write this name, which is over 237, just save the first 237 char here");
+        strncpy(pCreate->tableName, p->fullname,237);
+        pCreate->tableName[236]='\0';//I don't know if this line is working properly
+      }else{
+        strcpy(pCreate->tableName, p->fullname);
+      }
+
       pCreate->igExists = (p->igExist)? 1 : 0;
 
       // use dbinfo from table id without modifying current db info