diff --git a/sql/postgresql/ruoyi-vue-pro.sql b/sql/postgresql/ruoyi-vue-pro.sql
index e46802455..980cd790a 100644
--- a/sql/postgresql/ruoyi-vue-pro.sql
+++ b/sql/postgresql/ruoyi-vue-pro.sql
@@ -5,10 +5,19 @@
 
  Target Server Type    : PostgreSQL
 
- Date: 2024-05-01 23:25:45
+ Date: 2024-05-03 23:36:19
 */
 
 
+-- ----------------------------
+-- Table structure for dual
+-- ----------------------------
+DROP TABLE IF EXISTS dual;
+CREATE TABLE dual
+(
+);
+
+
 -- ----------------------------
 -- Table structure for infra_api_access_log
 -- ----------------------------
@@ -3866,7 +3875,6 @@ COMMENT ON COLUMN system_sms_code.updater IS '更新者';
 COMMENT ON COLUMN system_sms_code.update_time IS '更新时间';
 COMMENT ON COLUMN system_sms_code.deleted IS '是否删除';
 COMMENT ON COLUMN system_sms_code.tenant_id IS '租户编号';
-COMMENT ON COLUMN system_sms_code.idx_mobile IS '手机号';
 COMMENT ON TABLE system_sms_code IS '手机验证码';
 
 DROP SEQUENCE IF EXISTS system_sms_code_seq;
@@ -4703,3 +4711,4 @@ COMMIT;
 DROP SEQUENCE IF EXISTS yudao_demo03_student_seq;
 CREATE SEQUENCE yudao_demo03_student_seq
     START 10;
+
diff --git a/sql/sqlserver/ruoyi-vue-pro.sql b/sql/sqlserver/ruoyi-vue-pro.sql
index 7e8b29df1..26e674498 100644
--- a/sql/sqlserver/ruoyi-vue-pro.sql
+++ b/sql/sqlserver/ruoyi-vue-pro.sql
@@ -5,10 +5,29 @@
 
  Target Server Type    : Microsoft SQL Server
 
- Date: 2024-05-02 15:29:31
+ Date: 2024-05-03 23:36:38
 */
 
 
+-- ----------------------------
+-- Table structure for dual
+-- ----------------------------
+DROP TABLE IF EXISTS dual
+GO
+
+CREATE TABLE dual
+(
+    id int NULL
+)
+GO
+
+EXEC sp_addextendedproperty
+     'MS_Description', N'数据库连接的表',
+     'SCHEMA', N'dbo',
+     'TABLE', N'dual'
+GO
+
+
 -- ----------------------------
 -- Table structure for infra_api_access_log
 -- ----------------------------
diff --git a/sql/tools/README.md b/sql/tools/README.md
index 7ee9aa312..ecbb0ddc7 100644
--- a/sql/tools/README.md
+++ b/sql/tools/README.md
@@ -54,7 +54,8 @@ docker load -i dm8_20230808_rev197096_x86_rh6_64_single.tar
 ```Bash
 docker compose up -d dm8
 # 注意：启动完 sqlserver 后，需要手动再执行如下命令，因为 SQL Server 不支持初始化脚本
-docker compose exec -i dm8 /bin/bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"
+docker compose exec dm8 bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"
+exit
 ```
 
 **注意**: `sql/dm/ruoyi-vue-pro-dm8.sql`文件编码必须为`GBK`或者`GBK`超集
diff --git a/sql/tools/convertor.py b/sql/tools/convertor.py
index f46889eed..fe12caed1 100644
--- a/sql/tools/convertor.py
+++ b/sql/tools/convertor.py
@@ -134,6 +134,14 @@ class Convertor(ABC):
         """
         pass
 
+    def gen_dual(self) -> str:
+        """生成虚拟 dual 表
+
+        Returns:
+            str: 生成脚本, 默认返回空脚本, 表示当前数据库无需手工创建
+        """
+        return ""
+
     @staticmethod
     def inserts(table_name: str, script_content: str) -> Generator:
         PREFIX = f"INSERT INTO `{table_name}`"
@@ -192,6 +200,17 @@ class Convertor(ABC):
             )
         )
 
+        dual = self.gen_dual()
+        if dual:
+            print(
+                f"""-- ----------------------------
+-- Table structure for dual
+-- ----------------------------
+{dual}
+
+"""
+            )
+
         error_scripts = []
         for table_sql in self.table_script_list:
             ddl = DDLParser(table_sql.replace("`", "")).run()
@@ -348,6 +367,12 @@ CREATE SEQUENCE {table_name}_seq
 
         return script
 
+    def gen_dual(self) -> str:
+        return """DROP TABLE IF EXISTS dual;
+CREATE TABLE dual
+(
+);"""
+
 
 class OracleConvertor(Convertor):
     def __init__(self, src):
@@ -605,6 +630,22 @@ GO
 
         return script
 
+    def gen_dual(self) -> str:
+        return """DROP TABLE IF EXISTS dual
+GO
+
+CREATE TABLE dual
+(
+  id int NULL
+)
+GO
+
+EXEC sp_addextendedproperty
+    'MS_Description', N'数据库连接的表',
+    'SCHEMA', N'dbo',
+    'TABLE', N'dual'
+GO"""
+
 
 class DM8Convertor(Convertor):
     def __init__(self, src):
diff --git a/sql/tools/docker-compose.yaml b/sql/tools/docker-compose.yaml
index 6da62aa1c..6be209e05 100644
--- a/sql/tools/docker-compose.yaml
+++ b/sql/tools/docker-compose.yaml
@@ -91,4 +91,4 @@ services:
         volumes:
             - dm8:/opt/dmdbms/data
             - ../dm/ruoyi-vue-pro-dm8.sql:/tmp/schema.sql:ro
-            # docker compose exec -i dm8 /bin/bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"
+            # docker compose exec dm8 bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"