提升系统稳定性

src/main/java/xyz/playedu/api/controller/backend/UserController.java

@@ -52,6 +52,7 @@ import java.util.stream.Collectors;
 
 /**
  * @Author 杭州白书科技有限公司
+ *
  * @create 2023/2/23 09:48
  */
 @RestController
@@ -59,32 +60,23 @@ import java.util.stream.Collectors;
 @RequestMapping("/backend/v1/user")
 public class UserController {
 
-    @Autowired
+    @Autowired private UserService userService;
-    private UserService userService;
 
-    @Autowired
+    @Autowired private UserDepartmentService userDepartmentService;
-    private UserDepartmentService userDepartmentService;
 
-    @Autowired
+    @Autowired private DepartmentService departmentService;
-    private DepartmentService departmentService;
 
-    @Autowired
+    @Autowired private ApplicationContext context;
-    private ApplicationContext context;
 
-    @Autowired
+    @Autowired private UserCourseHourRecordService userCourseHourRecordService;
-    private UserCourseHourRecordService userCourseHourRecordService;
 
-    @Autowired
+    @Autowired private UserCourseRecordService userCourseRecordService;
-    private UserCourseRecordService userCourseRecordService;
 
-    @Autowired
+    @Autowired private CourseHourService courseHourService;
-    private CourseHourService courseHourService;
 
-    @Autowired
+    @Autowired private CourseService courseService;
-    private CourseService courseService;
 
-    @Autowired
+    @Autowired private UserLearnDurationStatsService userLearnDurationStatsService;
-    private UserLearnDurationStatsService userLearnDurationStatsService;
 
     @BackendPermissionMiddleware(slug = BPermissionConstant.USER_INDEX)
     @GetMapping("/index")

src/main/java/xyz/playedu/api/service/impl/CourseHourServiceImpl.java

@@ -136,6 +136,9 @@ public class CourseHourServiceImpl extends ServiceImpl<CourseHourMapper, CourseH
 
     @Override
     public List<CourseHour> chunk(List<Integer> hourIds) {
+        if (hourIds == null || hourIds.size() == 0) {
+            return new ArrayList<>();
+        }
         return list(query().getWrapper().in("id", hourIds));
     }
 }