如果嵌套查询返回null，则将列设置为某个值

I have a SQL query

我有一个SQL查询。

SELECT s.id,
       s.First_Name +' '+s.Last_Name AS Name,
       d1.Department_Name,
       s.Manager_Id,
       s.EmailId
FROM Fin_UserMaster s
INNER JOIN Fin_Department_Master AS d1 ON d1.id = s.Department_Id
WHERE s.id =
    (SELECT Manager_Id
     FROM Fin_UserMaster
     WHERE id= '13')
SELECT s.id,