在线时长倒序排列

modules/users/facade/online_facade.js

@@ -13,7 +13,7 @@ let logs_model = mongoose.model("online_logs");
 
 async function getOnlineInfo(filter) {
     let datas = [];
-    let logs = await logs_model.find(filter);
+    let logs = await logs_model.find(filter, null, {sort: {dateString: -1}});
     let less = 0;
     for(let l of logs){
         let d = getTimeString(l.online_times);