Changed on Login Stuff and visibility control.

js/entrance.js

@@ -150,7 +150,7 @@ function on_receive_exist(objs, sta){
     let wholehtml = "";
     if(obj != null && obj != undefined && obj.list != null){
         if(obj.list.length === 0){
-            wholehtml = "当前没有正在进行的班次！";
+            wholehtml = "当前没有正在进行的班次<br>请开始班次！";
             send_remain(wholehtml);
             return;
         }