添加课程目标内容字段提示

src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java

@@ -167,7 +167,7 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         // 在总目标里面插入一个内容
         ObjectiveContents objectiveContents = new ObjectiveContents();
         objectiveContents.setObjectiveId(courseTotalObjectivesId);
-        objectiveContents.setContent("课程总目标");
+        objectiveContents.setContent("请添加课程总目标");
         objectiveContentsMapper.insert(objectiveContents);
 
         return "添加成功";