diff --git a/src/main/java/xyz/playedu/api/controller/ExceptionController.java b/src/main/java/xyz/playedu/api/controller/ExceptionController.java
index 5bc268b..d694ecf 100644
--- a/src/main/java/xyz/playedu/api/controller/ExceptionController.java
+++ b/src/main/java/xyz/playedu/api/controller/ExceptionController.java
@@ -36,12 +36,12 @@ import java.util.List;
 @RestControllerAdvice
 @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/UserCourseRecordServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/UserCourseRecordServiceImpl.java
index 975df66..8047885 100644
--- a/src/main/java/xyz/playedu/api/service/impl/UserCourseRecordServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/UserCourseRecordServiceImpl.java
@@ -98,7 +98,7 @@ public class UserCourseRecordServiceImpl
 
     @Override
     public List<UserCourseRecord> chunk(List<Integer> userIds, List<Integer> courseIds) {
-        if (courseIds == null || courseIds.size() == 0) {
+        if (courseIds == null || courseIds.size() == 0 || userIds == null || userIds.size() == 0) {
             return new ArrayList<>();
         }
         return list(query().getWrapper().in("user_id", userIds).in("course_id", courseIds));