修复host导致跳转到线上登录的问题

index.js

@@ -138,7 +138,10 @@ module.exports = function (options) {
           option.body = ctx.request.rawBody
         }
 
-        option.headers = ctx.request.headers
+        option.headers = Object.assign({}, ctx.request.headers)
+        delete option.headers['host']
+
+        debug(option)
         return new Promise(function (resolve, reject) {
           let r = send()
           r.on('error', function (err) {

package.json

 {
   "name": "request-proxy",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "",
   "main": "index.js",
   "scripts": {