BUG

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/CourseTableServiceImpl.java

@@ -121,10 +121,13 @@ public class CourseTableServiceImpl implements ICourseTableService
         String key = schoolId + ":" + classId;
         //key = 学校id:班级id
         //Redis根据key键，查询对应的值
+        String xiakeTime = "";
         String value = redisCache.getCacheObject(key);
-        String[] split = value.split(":");
-        //下课时间
-        String xiakeTime = split[1];
+        if(StringUtils.isNotEmpty(value)){
+            String[] split = value.split(":");
+            //下课时间
+            xiakeTime = split[1];
+        }
         map.put("time",xiakeTime);
         //获取当前时间
         String nowTime = DateUtils.getTime();