update

app/controllers/admin/forumThreadManagement.js

@@ -48,6 +48,7 @@ router.get('/threadManagement/threads/list', function(req, res, next) {
     if(req.query.sort){//指定排序字段
         sortBy = {};
         sortBy[req.query.sort] = asc;
+        sortBy['_id'] = -1;
     }
     var conditions = {
         ent_code: req.session.user.ent_code,
@@ -907,6 +908,7 @@ router.get('/threadManagement/threads/:tid/comment/search', function(req, res, n
     if(req.query.sort){//指定排序字段
         sort = {};
         sort[req.query.sort] = asc;
+        sortBy['_id'] = -1;
     }
 
     var conditions = {