diff --git a/packages/common/package.json b/packages/common/package.json
index 8394be66..ba4e2df2 100644
--- a/packages/common/package.json
+++ b/packages/common/package.json
@@ -27,6 +27,8 @@
         "typescript": "^3.6.2"
     },
     "dependencies": {
-        "@ms/nashorn": "^0.1.0"
-    }
+        "@ms/nashorn": "^0.1.0",
+        "@ms/ployfill": "^0.1.0"
+    },
+    "gitHead": "562e2d00175c9d3a99c8b672aa07e6d92706a027"
 }
diff --git a/packages/common/src/http.ts b/packages/common/src/http.ts
index a9728970..cade1e78 100644
--- a/packages/common/src/http.ts
+++ b/packages/common/src/http.ts
@@ -1,155 +1,41 @@
-'use strict';
-/**
- * HTTP 网络类
- * Created by 蒋天蓓 on 2017/2/9 0009.
- */
+import '@ms/api'
 
-/*global Java, base, module, exports, require, __FILE__*/
+export type Method =
+    | 'get' | 'GET'
+    | 'delete' | 'DELETE'
+    | 'head' | 'HEAD'
+    | 'options' | 'OPTIONS'
+    | 'post' | 'POST'
+    | 'put' | 'PUT'
+    | 'patch' | 'PATCH'
 
-var URL = Java.type("java.net.URL");
-var UUID = Java.type("java.util.UUID");
-var System = Java.type("java.lang.System");
-var Files = Java.type("java.nio.file.Files");
-var Paths = Java.type("java.nio.file.Paths");
-var JavaString = Java.type("java.lang.String");
-var SecureRandom = Java.type("java.security.SecureRandom");
-
-var SSLContext = Java.type("javax.net.ssl.SSLContext");
-var HttpsURLConnection = Java.type("javax.net.ssl.HttpsURLConnection");
-
-var HostnameVerifier = Java.type("javax.net.ssl.HostnameVerifier");
-var X509TrustManager = Java.type("javax.net.ssl.X509TrustManager");
-
-// noinspection JSUnusedGlobalSymbols,JSUnusedLocalSymbols
-var TrustAnyHostnameVerifier = new HostnameVerifier({
-    verify: function(hostname, session) {
-        return true;
-    }
-});
-
-var SSLSocketFactory = function initSSLSocketFactory() {
-    var sslContext = SSLContext.getInstance("TLS");
-    // noinspection JSUnusedGlobalSymbols
-    sslContext.init(null, [new X509TrustManager({
-        getAcceptedIssuers: function() {
-            return null;
-        },
-        checkClientTrusted: function(chain, authType) {
-        },
-        checkServerTrusted: function(chain, authType) {
-        }
-    })], new SecureRandom());
-    return sslContext.getSocketFactory();
-}();
-
-var config = {
-    Charset: 'UTF-8',
-    ConnectTimeout: 10000,
-    ReadTimeout: 10000,
-    Debug: false
-};
-
-function open(url, method, header) {
-    // conn.setRequestProperty
-    var conn = new URL(url).openConnection();
-    if (conn instanceof HttpsURLConnection) {
-        conn.setHostnameVerifier(TrustAnyHostnameVerifier);
-        conn.setSSLSocketFactory(SSLSocketFactory);
-    }
-    conn.setRequestMethod(method);
-    conn.setDoOutput(true);
-    conn.setDoInput(true);
-    conn.setConnectTimeout(config.ConnectTimeout);
-    conn.setReadTimeout(config.ReadTimeout);
-    if (header) {
-        for (var key in header) {
-            // noinspection JSUnfilteredForInLoop
-            conn.setRequestProperty(key, header[key]);
-        }
-    }
-    return conn;
+interface RequestConfig {
+    url?: string;
+    method?: Method;
+    headers?: { [key: string]: string };
+    params?: { [key: string]: string };
+    data?: any;
 }
 
-function buildUrl(url, params) {
-    if (params && Object.keys(params).length > 0) {
-        var queryStart = url.indexOf('?');
-        if (queryStart === -1) {
-            url += '?';
-        }
-        return url += object2URLSearchParams(params);
+function request(config: RequestConfig) {
+    // @ts-ignore
+    let xhr = new XMLHttpRequest();
+    xhr.open(config.method, config.url, false);
+    for (const header in config.headers) {
+        xhr.setRequestHeader(header, config.headers[header]);
     }
-    return url;
+    let future = xhr.send(config.data);
+    return future.get();
 }
 
-function request(config) {
-    var conn = open(buildUrl(config.url, config.query), config.method, config.header);
-    try {
-        conn.connect();
-        var data = config.data;
-        if (data) {
-            var out = conn.getOutputStream();
-            if (typeof data === "object") {
-                var type = config.header['Content-Type'];
-                switch (type) {
-                    case "application/x-www-form-urlencoded":
-                        data = object2URLSearchParams(data);
-                        break;
-                    default:
-                        data = JSON.stringify(data)
-                }
-            }
-            out.write(new JavaString(data).getBytes(config.Charset));
-            out.flush();
-            out.close();
-        }
-        return response(conn);
-    } finally {
-        conn.disconnect();
+function _proxy(method: Method) {
+    return function(url: string, data?: any, config?: RequestConfig) {
+        return request({ url, method, data, ...config });
     }
 }
 
-function response(conn) {
-    var temp = Paths.get(System.getProperty("java.io.tmpdir"), UUID.randomUUID().toString());
-    Files.copy(conn.getInputStream(), temp);
-    var result = new JavaString(Files.readAllBytes(temp), config.Charset);
-    var tempFile = temp.toFile();
-    tempFile.delete() || tempFile.deleteOnExit();
-    return result;
+export default {
+    get: _proxy('GET'),
+    post: _proxy('POST'),
+    request
 }
-
-function object2URLSearchParams(params) {
-    var temp: string[] = [];
-    for (var key in params) {
-        temp.push(`${encodeURIComponent(key)}=${encodeURIComponent(params[key])}`)
-    }
-    return temp.join('&')
-}
-
-var http = {
-    config: config,
-    request: request
-};
-
-['GET', 'DELETE', 'HEAD', 'OPTIONS'].forEach(function(method) {
-    http[method.toLowerCase()] = function __likeGet__(url, data, config = {}) {
-        return this.request({
-            ...config,
-            url: url,
-            method: method,
-            query: data
-        });
-    }
-});
-
-['POST', 'PUT', 'PATCH'].forEach(function(method) {
-    http[method.toLowerCase()] = function __likePost__(url, data, config) {
-        return this.request({
-            ...config,
-            url: url,
-            method: method,
-            data: data
-        });
-    }
-});
-
-export = http;
diff --git a/packages/common/src/reflect.ts b/packages/common/src/reflect.ts
index 1f5ae601..c275736a 100644
--- a/packages/common/src/reflect.ts
+++ b/packages/common/src/reflect.ts
@@ -1,7 +1,7 @@
 import '@ms/core'
 /**
  * 反射工具类
- * Created by 蒋天蓓 on 2017/2/9 0009.
+ * Created by MiaoWoo on 2017/2/9 0009.
  */
 const JavaClass = Java.type('java.lang.Class');
 const JavaObject = Java.type('java.lang.Object')
@@ -13,6 +13,7 @@ class Reflect {
     private class: any
 
     constructor(obj: any) {
+        // if (obj === undefined || obj === null) { throw Error(`reflect object can't be ${obj}!`) }
         if (obj instanceof JavaClass) {
             this.obj = null;
             this.class = obj;
@@ -112,17 +113,17 @@ function declaredConstructor(clazz, param) {
 }
 
 function declaredField(clazz, name) {
-    let clazzt = clazz;
+    if (!clazz) { throw Error(`target class can't be ${clazz}!`) }
+    let target = clazz;
     let field = null;
     // noinspection JSUnresolvedVariable
-    while (clazzt !== JavaObject.class) {
+    while (target !== JavaObject.class) {
         try {
-            field = clazzt.getDeclaredField(name);
-            if (field !== null) {
-                break;
-            }
+            field = target.getDeclaredField(name);
+            if (field !== null) { break; }
         } catch (e) {
-            clazzt = clazzt.getSuperclass();
+            if (target === undefined) { break; }
+            target = target.getSuperclass();
         }
     }
     if (field === null) {