作业改版

mec-biz/src/main/java/com/ym/mec/biz/service/impl/LessonExaminationServiceImpl.java

@@ -120,7 +120,7 @@ public class LessonExaminationServiceImpl extends ServiceImpl<LessonExaminationD
         userMap.put(param.getTeacherId(), param.getTeacherId().toString());
         String notifyUrl = "evaluating?evaluateId=" + lessonExamination.getId();
         String extra = "dayaedu" + notifyUrl + "&type=evaluating&evaluateId=" + lessonExamination.getId();
-        String[] strings = studentIds.toArray(new String[]{});
+        String[] strings = studentIds.toArray(new String[studentIds.size()]);
         sysMessageService.batchSendImMessage(MessageTypeEnum.IM_PUBLISH_LESSON_EXAMINATION,param.getTeacherId().toString(), extra,
                 strings,null, teacherName);
         sysMessageService.batchSendMessage(MessageSenderPluginContext.MessageSender.JIGUANG, MessageTypeEnum.STUDENT_PUSH_PUBLISH_LESSON_EXAMINATION,