diff --git a/vue-fastapi-backend/module_admin/service/metasecurity_service.py b/vue-fastapi-backend/module_admin/service/metasecurity_service.py
index 2c2fea4..e434dda 100644
--- a/vue-fastapi-backend/module_admin/service/metasecurity_service.py
+++ b/vue-fastapi-backend/module_admin/service/metasecurity_service.py
@@ -654,6 +654,8 @@ async def generate_sql(tablesRowCol:dict, table_columns:dict):
             where_conditions = " AND ".join(select_rows.values())
             if where_conditions:
                sql_queries[table_name] += " WHERE " + where_conditions
+        else:
+          sql_queries[table_name] += " WHERE 1 = 0"      
     return sql_queries
 # async def replace_table_with_subquery(ctrSqlDict, oldStrSql):
 #     table_alias_map = {} # 存储表名和别名的映射