diff --git a/src/main/java/xyz/playedu/api/controller/ExceptionController.java b/src/main/java/xyz/playedu/api/controller/ExceptionController.java
index f530d3b..5bc268b 100644
--- a/src/main/java/xyz/playedu/api/controller/ExceptionController.java
+++ b/src/main/java/xyz/playedu/api/controller/ExceptionController.java
@@ -37,11 +37,11 @@ import java.util.List;
 @Slf4j
 public class ExceptionController {
 
-//    @ExceptionHandler(Exception.class)
-//    public JsonResponse exceptionHandler(Exception e) {
-//        log.error(e.getMessage());
-//        return JsonResponse.error("系统错误", 500);
-//    }
+    @ExceptionHandler(Exception.class)
+    public JsonResponse exceptionHandler(Exception e) {
+        log.error(e.getMessage());
+        return JsonResponse.error("系统错误", 500);
+    }
 
     @ExceptionHandler(ServiceException.class)
     public JsonResponse serviceExceptionHandler(ServiceException e) {
diff --git a/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
index 4040eb5..38faa5c 100644
--- a/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
@@ -43,11 +43,9 @@ import java.util.stream.Collectors;
 @Service
 public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> implements CourseService {
 
-    @Autowired
-    private CourseDepartmentService courseDepartmentService;
+    @Autowired private CourseDepartmentService courseDepartmentService;
 
-    @Autowired
-    private ResourceCourseCategoryService courseCategoryService;
+    @Autowired private ResourceCourseCategoryService courseCategoryService;
 
     @Override
     public PaginationResult<Course> paginate(int page, int size, CoursePaginateFiler filter) {