完成支付功能

src/util.js

@@ -1,12 +1,12 @@
 import websocket from "@/websocket";
 
 export const formatTimestamp = (timestamp) => {
-  const date = new Date(timestamp);
+  const date = new Date(timestamp * 1000);
   const year = date.getFullYear();
   const month = date.getMonth() + 1;
   const day = date.getDate();
 
-  return `${year}.${month}.${day}`;
+  return `${year}年${month}月${day}号`;
 };
 
 export const checkConnection = () => {