班级课程数据一致性

src/main/java/com/xjrsoft/module/base/controller/BaseClassCourseController.java

@@ -132,6 +132,9 @@ public class BaseClassCourseController {
     @SaCheckPermission("baseclasscourse:detail")
     public RT<List<CourseBookInfo>> getAllSelectedCoursesAndTextbooks(@RequestParam(required = false) Long[] classIds, @RequestParam(required = false) Long semester) {
         List<CourseBookInfo> data = baseClassCourseService.getSelectedCourseBook(classIds, semester);
+        if(ObjectUtils.isEmpty(data)){
+            return RT.ok(new ArrayList<>());
+        }
         return RT.ok(data);
     }