接收返回值，做空值判断

换个名字嗨起来

2024-07-25 3cde2386c1ddaeeacc8b815d25af3b6a84541e46

 src/main/java/com/ruoyi/project/tr/HiddenDangerCheckJob/mapper/HiddenDangerCheckJobMapper.java

@@ -65,4 +65,8 @@
     * @return 结果
     */
    int insertJob(HiddenDangerCheckJob job);
    /**
     * Job getByID
     */
    HiddenDangerCheckJob getJobById(Long jobId);
}