diff --git a/server/package.json b/server/package.json
index 60d813b..39e4b04 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mockm",
-  "version": "1.1.26-alpha.26",
+  "version": "1.1.26-alpha.27",
   "description": "Analog interface server, painless parallel development of front and back ends.",
   "main": "server.js",
   "bin": {
diff --git a/server/util/business.js b/server/util/business.js
index bccf20c..f564881 100644
--- a/server/util/business.js
+++ b/server/util/business.js
@@ -1878,6 +1878,9 @@ function business() { // 与业务相关性的函数
         //   // }
         // })
         reqHandle().injectionReq({req, res, type: `get`})
+
+        // https://github.com/chimurai/http-proxy-middleware/pull/492
+        require(`http-proxy-middleware`).fixRequestBody(proxyReq, req)
       },
       onProxyRes: (proxyRes, req, res) => {
         allowCors({res: proxyRes, req, proxyConfig: userConfig})
diff --git a/test/config.proxy.test.js b/test/config.proxy.test.js
index b3bac3d..4462eb4 100644
--- a/test/config.proxy.test.js
+++ b/test/config.proxy.test.js
@@ -2,6 +2,29 @@ const util = require('./util.js')
 const http = util.http
 
 describe('config.proxy', () => {
+  it(`代理到原始服务器`, async () => {
+    util.ok(await util.runMockm({
+      mockm: () => ({
+        proxy: {
+          '/': `http://www.httpbin.org`,
+        },
+      }),
+      okFn: async ({arg, str}) => {
+        const get = (await http.get(`http://127.0.0.1:${arg.port}/get?a=1&b=2`)).data
+        const post = (await http.post(`http://127.0.0.1:${arg.port}/post`, {a: 1, b: 2})).data
+        const bin = (await http.get(`http://127.0.0.1:${arg.port}/image/png`)).data
+        const form = (await util.upload(`http://127.0.0.1:${arg.port}/post`, {a: 1, b: 2})).data
+        const upload = (await util.upload(`http://127.0.0.1:${arg.port}/post`, {f1: require(`fs`).createReadStream(__filename)})).data
+        return (
+          get.args.a === `1`
+          && post.json.a === 1
+          && bin.match(`PNG`)
+          && form.form.a === `1`
+          && util.getType(upload.files.f1, `string`)
+        )
+      },
+    }))
+  })
   it(`拦截请求`, async () => {
     util.ok(await util.runMockm({
       mockm: () => ({
diff --git a/test/util.js b/test/util.js
index 9cc9c4d..ef6a4e2 100644
--- a/test/util.js
+++ b/test/util.js
@@ -462,6 +462,7 @@ function upload(api, data) {
 }
 
 module.exports = {
+  getType,
   upload,
   to,
   ok,