diff --git a/src/benchInsert.c b/src/benchInsert.c
index adf66b69..5c3f0f24 100644
--- a/src/benchInsert.c
+++ b/src/benchInsert.c
@@ -3528,7 +3528,11 @@ int insertTestProcess() {
                         }
                     }
                 }
-                fillChildTblName(database, stbInfo);
+                // check fill child table count valid
+                if(fillChildTblName(database, stbInfo) <= 0) {
+                    errorPrint(" fill child table is zero, please check parameters in json is correct. database:%s stb: %s \n", database->dbName, stbInfo->stbName);
+                    return -1;
+                }
                 if (0 != prepareSampleData(database, stbInfo)) {
                     return -1;
                 }