diff --git a/.env.production b/.env.production
new file mode 100644
index 0000000..83c205b
--- /dev/null
+++ b/.env.production
@@ -0,0 +1,8 @@
+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
+VITE_PY=https://python.xuyue.cc
\ No newline at end of file
diff --git a/.env.staging b/.env.staging
new file mode 100644
index 0000000..e12d358
--- /dev/null
+++ b/.env.staging
@@ -0,0 +1,5 @@
+VITE_OJ=http://10.13.114.214:81
+VITE_CODE=http://10.13.114.214:82
+# VITE_PLAY=http://10.13.114.214:83
+VITE_BOOK=http://10.13.114.214:84
+VITE_HUABU=http://10.13.114.214:85
\ No newline at end of file
diff --git a/main.js b/main.js
index 3855e7e..d947f24 100644
--- a/main.js
+++ b/main.js
@@ -21,46 +21,46 @@ const pins = [
 
 const sites = [
   {
-    url: "https://oj.xuyue.cc",
+    url: import.meta.env.VITE_OJ,
     title: "判题狗",
     description: "在线判题网站",
   },
   {
-    url: "https://code.xuyue.cc",
+    url: import.meta.env.VITE_CODE,
     title: "自测猫",
     description: "代码运行网站",
   },
   {
-    url: "https://web.xuyue.cc",
+    url: import.meta.env.VITE_WEB,
     title: "AI x Web",
     description: "AI x Web 新势力",
   },
   {
-    url: "https://play.xuyue.cc",
+    url: import.meta.env.VITE_PLAY,
     title: "限时鸭",
     description: "用来练习基本的代码格式",
   },
   {
-    url: "https://book.xuyue.cc",
+    url: import.meta.env.VITE_BOOK,
     title: "编程书",
     description: "编程和计算机相关知识汇总",
   },
   {
-    url: "https://huabu.xuyue.cc",
+    url: import.meta.env.VITE_HUABU,
     title: "白板",
     description: "在线板书",
   },
   {
-    url: "https://ppt.xuyue.cc/py",
+    url: import.meta.env.VITE_PPT,
     title: "Python PPT",
     description: "Python 第一学期上课用",
   },
   {
-    url: "https://python.xuyue.cc",
+    url: import.meta.env.VITE_PY,
     title: "Python 项目",
     description: "Python 第二学期上课用",
   },
-]
+].filter(i => !!i.url)
 
 const item = (site) => `
 <a href="${site.url}" target="_blank" class="card">
diff --git a/package.json b/package.json
index 2e5977f..ed0271e 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "scripts": {
     "start": "vite",
     "build": "vite build",
+    "build:staging": "vite build --mode=staging",
     "fmt": "prettier --write *.js style.css index.html"
   },
   "devDependencies": {