添加操作类型编码校验时可为空，解决测试查询签到记录空指针问题

service-fire/service-fire-biz/src/main/java/com/usky/fire/service/impl/PatrolInspectionTypeServiceImpl.java

@@ -77,6 +77,9 @@ public class PatrolInspectionTypeServiceImpl extends AbstractCrudService<PatrolI
         queryWrapper.select(PatrolInspectionType::getTypeName)
                 .eq(PatrolInspectionType::getOperateCode,code);
         PatrolInspectionType patrolInspectionType = baseMapper.selectOne(queryWrapper);
+        if (patrolInspectionType == null) {
+            return "";
+        }
             return patrolInspectionType.getTypeName();
     }
 }