修复切换用户绑定服务器不生效的问题

src/main/java/com/lion/sns/dao/UserMapper.java

@@ -14,8 +14,6 @@ public interface UserMapper {
     @Select("select * from user where id = #{id}")
     User selectUserById(int id);
 
-    @Select("select * from user where username = #{username}")
-    User selectUserByUsername(String username);
 
     @Select("select * from user")
     User[] selectAllUser();
@@ -26,7 +24,8 @@ public interface UserMapper {
     @Select("select id, storage_path, site_id from user where username=#{username} and passcode=#{passcode}")
     User login(@Param("username") String username, @Param("passcode") String passcode);
 
-    @Update("update user set username=#{username}, passcode=#{passcode}, available_space=#{availableSpace}, total_space=#{totalSpace}, storage_path=#{storagePath} where id=#{id}")
+    @Update("update user set username=#{username}, passcode=#{passcode}, available_space=#{availableSpace}, " +
+            "total_space=#{totalSpace}, storage_path=#{storagePath}, site_id=#{siteId} where id=#{id}")
     void updateUser(User user);
 
     @Update("update user set available_space=#{availableSpace}, total_space=#{totalSpace} where id=#{id}")