diff --git "a/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/3. RIGHT JOIN/right_join.md" "b/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/3. RIGHT JOIN/right_join.md"
index 43ca05f929770646fafe7b60a495f3ed70646c80..f5b6135d3f939abf7d4eaa69e8a69370938c6941 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/3. RIGHT JOIN/right_join.md"	
+++ "b/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/3. RIGHT JOIN/right_join.md"	
@@ -33,9 +33,9 @@ create table employee(
 ## 答案
 
 ```sql
-select e.id, e.name, e.dept
+select e.id, e.name, e.dept_id, d.name
 from department as d
-    right join employee as e on d.id = e.dept
+    right join employee as e on d.id = e.dept_id
 where d.id is null;
 ```
 
@@ -44,27 +44,27 @@ where d.id is null;
 ### A
 
 ```sql
-select e.id, e.name, e.dept
+select e.id, e.name, e.dept_id, d.name
 from employee as e
-    right join department as d on d.id = e.dept
+    right join department as d on d.id = e.dept_id
 where e.id is null;
 ```
 
 ### B
 
 ```sql
-select e.id, e.name, e.dept
+select e.id, e.name, e.dept_id, d.name
 from employee as e
-     right join department as d on d.id = e.dept
+     right join department as d on d.id = e.dept_id
 where d.id is null;
 ```
 
 ### C
 
 ```sql
-select e.id, e.name, e.dept
+select e.id, e.name, e.dept_id, d.name
 from department as d
-    join employee as e on d.id = e.dept
+    join employee as e on d.id = e.dept_id
 where d.id is null;
 ```
 
@@ -72,8 +72,8 @@ where d.id is null;
 ### D
 
 ```sql
-select e.id, e.name, e.dept
+select e.id, e.name, e.dept_id, d.name
 from department as d
-    right join employee as e on d.id = e.dept
+    right join employee as e on d.id = e.dept_id
 where d.id is null;
 ```
\ No newline at end of file