diff --git a/lib/wxpay.js b/lib/wxpay.js
index 969ac13..217963e 100644
--- a/lib/wxpay.js
+++ b/lib/wxpay.js
@@ -2,7 +2,7 @@
 var util = require('./util');
 var request = require('request');
 var md5 = require('MD5');
-
+var moment = require("moment");
 exports = module.exports = WXPay;
 
 function WXPay() {
@@ -190,3 +190,22 @@ WXPay.mix('refund',function(order, fn){
 	});
 });
 
+WXPay.mix('redpack', function (opts, fn) {
+  opts.mch_billno =  `${this.options.mch_id}${moment().format("YYYYMMDD")}${Date.now().toString().substr(2, 10)}`
+  opts.wxappid = this.wxpayID.appid
+  opts.mch_id = this.wxpayID.mch_id
+  opts.nonce_str = opts.nonce_str || util.generateNonceString();
+  opts.sign = this.sign(opts);
+  console.log(this.wxpayID, opts)
+  request({
+    url: "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack",
+    method: "POST",
+    body: util.buildXML({xml: opts}),
+    agentOptions: {
+      pfx: this.options.pfx,
+      passphrase: this.options.mch_id
+    }
+  }, function(err, response, body){
+    util.parseXML(body, fn);
+  });
+})
diff --git a/package.json b/package.json
index 47dc3bb..06910d8 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
   "dependencies": {
     "request": "^2.54.0",
     "MD5": "^1.2.1",
-    "xml2js": "^0.4.6"
+    "xml2js": "^0.4.6",
+    "moment": "^2.17.1"
   },
   "devDependencies": {},
   "scripts": {