优化转发逻辑

 package mobile_client
 
 import (
-	"bytes"
-	"io/ioutil"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
@@ -33,10 +31,9 @@ func (controller *ReverseProxyController) SuplusSaleApp() {
 	if err != nil {
 		panic(err)
 	}
-	controller.Ctx.Request.Body = ioutil.NopCloser(bytes.NewReader(controller.Ctx.Input.RequestBody))
 	controller.Ctx.Request.URL.Path = strings.Replace(controller.Ctx.Request.URL.Path, "/suplus-sale-app", "", 1)
 	targetQuery := target.RawQuery
-	director := func(req *http.Request) {
+	directorFunc := func(req *http.Request) {
 		req.Host = target.Host
 		req.URL.Scheme = target.Scheme
 		req.URL.Host = target.Host
@@ -51,7 +48,7 @@ func (controller *ReverseProxyController) SuplusSaleApp() {
 			req.Header.Set("User-Agent", "")
 		}
 	}
-	newProxy := &httputil.ReverseProxy{Director: director}
+	newProxy := &httputil.ReverseProxy{Director: directorFunc}
 	newProxy.ServeHTTP(controller.Ctx.ResponseWriter, controller.Ctx.Request)
 }