update 加入缓存说明

src/main/java/cn/teammodel/controller/admin/service/impl/TeacherServiceImpl.java

@@ -809,6 +809,7 @@ public class TeacherServiceImpl implements TeacherService {
                 scores[8] += sugVo.getMaterial_count();
                 scores[9] += sugVo.getTpcplan_count();
                 if (sugVo.getObserve_lessons() != null) {
+                    //采用set 去重课例ID
                     Set<String> observeLessons = new HashSet<>((List<String>) sugVo.getObserve_lessons());
                     // 如果后续需要使用 observeLessons，可以在此处添加逻辑
                     scores[10] += observeLessons.size();
@@ -1271,7 +1272,7 @@ public class TeacherServiceImpl implements TeacherService {
     }
 
     private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
-    // 引入缓存，需根据实际情况配置大小和过期时间
+    // 引入缓存，需根据实际情况配置大小和过期时间 每次服务重启时  缓存会清空
     private static final Cache<String, Map<String, Object>> REQUEST_CACHE = CacheBuilder.newBuilder()
             .maximumSize(500)
             .expireAfterWrite(8, TimeUnit.HOURS)