diff --git a/update.js b/update.js
new file mode 100644
index 0000000000000000000000000000000000000000..1acac430c68a035b319f4fb3bafb6af68abd70df
--- /dev/null
+++ b/update.js
@@ -0,0 +1,34 @@
+var process = require('child_process');
+
+var getTimeStr = function() {
+    
+    var tm = new Date();
+    var o = {
+        yr: tm.getFullYear(),
+        mon: tm.getMonth() + 1,
+        dt: tm.getDate(),
+        hr: tm.getHours(),
+        min: tm.getMinutes(),
+        sec: tm.getSeconds()
+    };
+    for(var i in o)
+    {
+        o[i] = o[i].toString();
+        if(o[i].length < 2)
+            o[i] = '0' + o[i];
+    }
+    return o.yr + '-' + o.mon + '-' + o.dt + 
+        ' ' + o.hr + ':' + o.min + ':' + o.sec;
+};
+
+var cmds = [
+    'git add -A',
+    'git commit -m "' + getTimeStr() + '"',
+    'git push',
+    'hexo clean',
+    'hexo g -d'
+];
+
+for(var cmd of cmds) {
+    console.log(process.execSync(cmd));
+}