doc: 增加一些代码注释

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

@@ -252,7 +252,7 @@ public class AdminAppraiseServiceImpl implements AdminAppraiseService {
         List<String> names = rankVoList.stream().map(AppraiseNodeRankVo::getName).collect(Collectors.toList());
         // 去重后的 nodes
         List<AppraiseTreeNode> nodesByName = appraiseRecordRepository.findAppraiseRecordInNames(String.format(PK.PK_APPRAISE_RECORD, schoolId), academicYearId, names);
-        // 正常情况下 name 一一对应
+        // 正常情况下 name 一一对应 todo: 临时解决
         Map<String, AppraiseTreeNode> nameNodeMap = nodesByName.stream().collect(Collectors.toMap(AppraiseTreeNode::getName, item -> item,  (existing, replacement) -> {
             if (replacement.getPath() != null) {
                 return replacement;