diff --git a/script/sql/update/oracle/update_5.0-5.1.sql b/script/sql/update/oracle/update_5.0-5.1.sql
index bf178ec4f..72f117082 100644
--- a/script/sql/update/oracle/update_5.0-5.1.sql
+++ b/script/sql/update/oracle/update_5.0-5.1.sql
@@ -145,3 +145,7 @@ insert into sys_role_menu values ('2', '1062');
 insert into sys_role_menu values ('2', '1063');
 insert into sys_role_menu values ('2', '1064');
 insert into sys_role_menu values ('2', '1065');
+
+
+update sys_dept set leader = null;
+ALTER TABLE sys_dept ALTER COLUMN leader TYPE int8;
diff --git a/script/sql/update/postgres/update_5.0-5.1.sql b/script/sql/update/postgres/update_5.0-5.1.sql
index a0107ae87..5db2cd14b 100644
--- a/script/sql/update/postgres/update_5.0-5.1.sql
+++ b/script/sql/update/postgres/update_5.0-5.1.sql
@@ -144,3 +144,7 @@ insert into sys_role_menu values ('2', '1062');
 insert into sys_role_menu values ('2', '1063');
 insert into sys_role_menu values ('2', '1064');
 insert into sys_role_menu values ('2', '1065');
+
+
+update sys_dept set leader = null;
+alter table sys_dept modify column leader bigint null default null comment '负责人' after order_num;
diff --git a/script/sql/update/sqlserver/update_5.0-5.1.sql b/script/sql/update/sqlserver/update_5.0-5.1.sql
index 63fa9379b..605f02ff8 100644
--- a/script/sql/update/sqlserver/update_5.0-5.1.sql
+++ b/script/sql/update/sqlserver/update_5.0-5.1.sql
@@ -401,3 +401,9 @@ INSERT sys_role_menu VALUES (2, 1064)
 GO
 INSERT sys_role_menu VALUES (2, 1065)
 GO
+
+
+UPDATE sys_dept SET leader = null
+GO
+ALTER TABLE sys_dept ALTER COLUMN leader bigint NULL
+GO
diff --git a/script/sql/update/update_5.0-5.1.sql b/script/sql/update/update_5.0-5.1.sql
index 22b227b79..2bc1cc17c 100644
--- a/script/sql/update/update_5.0-5.1.sql
+++ b/script/sql/update/update_5.0-5.1.sql
@@ -95,3 +95,7 @@ insert into sys_role_menu values ('2', '1062');
 insert into sys_role_menu values ('2', '1063');
 insert into sys_role_menu values ('2', '1064');
 insert into sys_role_menu values ('2', '1065');
+
+
+update sys_dept set leader = null;
+alter table sys_dept modify column leader bigint null default null comment '负责人' after order_num;