为什么代码里没有报错，但是事物操作就是不成功呢？求指教，又是版本问题么？我是1.5.3

IDEA控制台报错如下：

java.sql.SQLException: Field 'id' doesn't have a default value

postman返回如下：

{

    "timestamp": 1526805315654,

    "status": 500,

    "error": "Internal Server Error",

    "exception": "org.springframework.orm.jpa.JpaSystemException",

    "message": "could not execute statement; nested exception is org.hibernate.exception.GenericJDBCException: could not execute statement",

    "path": "/girls/two"

}