+----+------+-------+
| id | name | value |
+----+------+-------+
|  1 | 5    | 00    | 
|  2 | 8    | 00    | 
|  3 | 6    | 00    |
+----+------+-------+UPDATE后结果+----+------+-------+
| id | name | value |
+----+------+-------+
|  1 | 5    | 10    | 
|  2 | 8    | 13    | 
|  3 | 6    | 11    |
+----+------+-------+计算方式:VALUE=5+name的值