diff --git a/vue-fastapi-backend/module_admin/service/metasecurity_service.py b/vue-fastapi-backend/module_admin/service/metasecurity_service.py
index d66c155..1e0de02 100644
--- a/vue-fastapi-backend/module_admin/service/metasecurity_service.py
+++ b/vue-fastapi-backend/module_admin/service/metasecurity_service.py
@@ -711,6 +711,8 @@ async def generate_sql(tablesRowCol:dict, table_columns:dict):
     
 #     return oldStrSql
 
+
+
 async def replace_table_with_subquery(ctrSqlDict, oldStrSql):
     """
     将 SQL 中的表替换成子查询，并自动生成别名，同时把字段引用替换为别名.字段
@@ -733,35 +735,23 @@ async def replace_table_with_subquery(ctrSqlDict, oldStrSql):
             alias_part = match.group(3)    # " AS xxx" 或 " xxx"
             alias_name = match.group(4)    # xxx
 
-            if original_table not in table_alias_map:
-                # 判断 alias 是否为关键字
-                               # 判断 alias 是否为关键字
+            # 动态获取子查询
+            if original_table in ctrSqlDict:
+                # 使用 ctrSqlDict 中的子查询替换表名
+                replaced = f"{keyword} ({ctrSqlDict[original_table]}) {alias_part}"
+            else:
+                # 默认处理逻辑：判断 alias 是否为关键字
                 sql_keywords = {
-                    # 数据操作关键字
                     "SELECT", "INSERT", "UPDATE", "DELETE", "MERGE", "TRUNCATE",
-                    "VALUES", "RETURNING",
-                
-                    # 查询关键字
-                    "FROM", "WHERE", "GROUP", "HAVING", "ORDER", "LIMIT", "OFFSET",
-                    "DISTINCT", "ALL", "UNION", "INTERSECT", "EXCEPT",
-                
-                    # 连接关键字
+                    "VALUES", "RETURNING", "FROM", "WHERE", "GROUP", "HAVING", "ORDER",
+                    "LIMIT", "OFFSET", "DISTINCT", "ALL", "UNION", "INTERSECT", "EXCEPT",
                     "JOIN", "INNER", "LEFT", "RIGHT", "FULL", "CROSS", "NATURAL", "USING", "ON",
-                
-                    # 数据类型和约束关键字
-                    "TABLE", "VIEW", "INDEX", "PRIMARY", "KEY", "FOREIGN", "REFERENCES",
-                    "NOT", "NULL", "UNIQUE", "CHECK", "DEFAULT",
-                
-                    # 控制关键字
-                    "IF", "ELSE", "CASE", "WHEN", "THEN", "END", "LOOP", "FOR", "WHILE",
-                
-                    # 其他
-                    "CREATE", "ALTER", "DROP", "TRUNCATE", "COMMENT",
-                    "EXISTS", "IN", "IS", "LIKE", "ILIKE", "SIMILAR", "BETWEEN",
-                    "AND", "OR", "ANY", "ALL", "SOME",
-                    "FETCH", "NEXT", "ONLY", "ASC", "DESC",
-                    "GRANT", "REVOKE", "ROLE", "USER",
-                    "CURRENT_DATE", "CURRENT_TIME", "CURRENT_TIMESTAMP",
+                    "TABLE", "VIEW", "INDEX", "PRIMARY", "KEY", "FOREIGN", "REFERENCES", "NOT", 
+                    "NULL", "UNIQUE", "CHECK", "DEFAULT", "IF", "ELSE", "CASE", "WHEN", "THEN", 
+                    "END", "LOOP", "FOR", "WHILE", "CREATE", "ALTER", "DROP", "TRUNCATE", "COMMENT",
+                    "EXISTS", "IN", "IS", "LIKE", "ILIKE", "SIMILAR", "BETWEEN", "AND", "OR", "ANY", 
+                    "ALL", "SOME", "FETCH", "NEXT", "ONLY", "ASC", "DESC", "GRANT", "REVOKE", "ROLE", 
+                    "USER", "CURRENT_DATE", "CURRENT_TIME", "CURRENT_TIMESTAMP",
                 }
 
                 if alias_name and alias_name.upper().split()[0] not in sql_keywords:
@@ -771,9 +761,6 @@ async def replace_table_with_subquery(ctrSqlDict, oldStrSql):
                     alias = original_table.split('.')[-1]
                     replaced = f"{keyword} ({subquery}) AS {alias}{alias_part or ''}"
                     table_alias_map[original_table] = alias
-            else:
-                alias = table_alias_map[original_table]
-                replaced = f"{keyword} {alias}"
 
             return replaced
 
@@ -791,8 +778,6 @@ async def replace_table_with_subquery(ctrSqlDict, oldStrSql):
 
     return oldStrSql
 
-
-
 async def get_data_source_tree(request: Request, current_user: MetaSecurityApiModel):
     
    url = f'{AppConfig.ds_server_url}/dolphinscheduler/datasources/withpwdlist?pageNo=1&pageSize=100'