fix: 修改几处文本

src/main/java/nju/seec/helper/service/impl/CommentServiceImpl.java

@@ -50,7 +50,7 @@ public class CommentServiceImpl implements CommentService {
         // 增加通知
         Slide slide = slideDAO.findSlideById(comment.getSlideId());
         if (!user.getId().equals(slide.getTeacherId())) {
-            messageService.createMessage(Collections.singleton(slide.getTeacherId()), MessageType.COMMENT_NEW, String.format("【%s】课程的【%s】有新评论了，请及时回复", slide.getCourseName(), slide.getName()), slide.getId());
+            messageService.createMessage(Collections.singleton(slide.getTeacherId()), MessageType.COMMENT_NEW, String.format("课程「%s」的课件「%s」有主题为「%s」的新评论", slide.getCourseName(), slide.getName(), comment.getTitle()), slide.getId());
         }
 
         return new CommentVO(comment);

src/main/java/nju/seec/helper/service/impl/ReplyServiceImpl.java

@@ -59,7 +59,7 @@ public class ReplyServiceImpl implements ReplyService {
         // 增加通知
         if (!user.getId().equals(comment.getUserId())) {
             Slide slide = slideDAO.findSlideById(comment.getSlideId());
-            messageService.createMessage(Collections.singleton(comment.getUserId()), MessageType.COMMENT_REPLY, String.format("您在【%s】课程的【%s】的评论被回复了，请及时查看", slide.getCourseName(), slide.getName()), slide.getId());
+            messageService.createMessage(Collections.singleton(comment.getUserId()), MessageType.COMMENT_REPLY, String.format("您在课件「%s」发表的题为「%s」的讨论帖已收到回复", comment.getTitle(), slide.getName()), slide.getId());
         }
 
         return new ReplyVO(reply);

src/main/java/nju/seec/helper/service/impl/SlideServiceImpl.java

@@ -122,7 +122,7 @@ public class SlideServiceImpl implements SlideService {
         // 增加通知
         if (slide.getState() == SlideState.IN_CLASS) {
             Set<Integer> studentIds = chooseDAO.findStudentIdsByCourseId(slide.getCourseId());
-            messageService.createMessage(studentIds, MessageType.SLIDE_IN_CLASS, String.format("【%s】课程的【%s】开课了，请及时学习", slide.getCourseName(), slide.getName()), slide.getId());
+            messageService.createMessage(studentIds, MessageType.SLIDE_IN_CLASS, String.format("课件「%s」「%s」已开始  开课", slide.getCourseName(), slide.getName()), slide.getId());
         }
     }