update

.env.production

@@ -1,7 +1,6 @@
 VITE_OJ=https://oj.xuyue.cc
 VITE_CODE=https://code.xuyue.cc
 VITE_WEB=https://web.xuyue.cc
-VITE_PLAY=https://play.xuyue.cc
 VITE_BOOK=https://book.xuyue.cc
 VITE_HUABU=https://huabu.xuyue.cc
 VITE_PPT=https://ppt.xuyue.cc/py

.env.staging

@@ -1,7 +1,6 @@
 VITE_OJ=http://10.13.114.114:81
 VITE_CODE=http://10.13.114.114:82
 VITE_WEB=http://10.13.114.114:91
-# VITE_PLAY=http://10.13.114.114:83
 VITE_BOOK=http://10.13.114.114:84
 VITE_HUABU=http://10.13.114.114:85
 VITE_SHUATI=http://10.13.114.114:86

main.js

@@ -3,18 +3,6 @@ const pins = [
   //   url: "https://code.xuyue.cc?query=30",
   //   description: "示例代码",
   // },
-  // {
-  //   url: "https://lc.xuyue.cc/public-forms/do0zqi0xlpe",
-  //   description: "数据记录单",
-  // },
-  // {
-  //   url: "https://lc.xuyue.cc/",
-  //   description: "账号 stu 密码 123456",
-  // },
-  // {
-  //   url: "https://play.xuyue.cc/",
-  //   description: "选择自己的名字做小测试",
-  // },
 ]
 
 const sites = [
@@ -42,12 +30,6 @@ const sites = [
     description: "梁老师的刷题网站",
     icon: "noto--paintbrush.svg",
   },
-  {
-    url: import.meta.env.VITE_PLAY,
-    title: "限时鸭",
-    description: "用来练习基本的代码格式",
-    icon: "noto--duck.svg",
-  },
   {
     url: import.meta.env.VITE_BOOK,
     title: "编程书",