diff --git a/README.md b/README.md
index a9f0692..bd2e521 100644
--- a/README.md
+++ b/README.md
@@ -93,8 +93,8 @@ npm i axios-miniprogram
 ```typescript
 axios('/test', {
   validateStatus: function validateStatus(status) {
-    // 这样，状态码在 100 到 400 之间都是请求成功
-    return status >= 200 && status < 300;
+    // 这样，状态码在 200 到 400 之间都是请求成功
+    return status >= 200 && status <  400;
   }
 });
 ```
@@ -130,7 +130,7 @@ axios('/test', {
 
 ##### `config.adapter`自定义平台适配器
 
-您可以自己适配您所在的平台
+您可以手动适配当前所处的平台
 
 ```typescript
 axios.defaults.adapter = function adapter(adapterConfig) {
@@ -166,7 +166,7 @@ axios.defaults.adapter = function adapter(adapterConfig) {
   } = adapterConfig;
 
   // 在 adapterConfig 中选择您需要的参数发送请求
-  wx.request({
+  return wx.request({
     url,
     method,
     data,
@@ -187,7 +187,7 @@ axios.defaults.adapter = wx.request;
 ```typescript
 axios.defaults.baseURL = 'https://www.xxx.com';
 axios.defaults.headers.common['Accept'] = 'application/json, test/plain, */*';
-axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';
+axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8';
 ```
 
 ##### 自定义实例默认配置
@@ -209,7 +209,7 @@ const instance = axios.create({
 // 也可以创建后修改
 instance.defaults.baseURL = 'https://www.xxx.com';
 instance.defaults.headers.common['Accept'] = 'application/json, test/plain, */*';
-instance.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';
+instance.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8';
 ```
 
 ##### 配置优先顺序
@@ -224,8 +224,6 @@ instance.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlenco
 |statusText|String|状态文本|是|
 |data|String/Object/ArrayBuffer|开发者服务器返回的数据|是|
 |headers|Object|响应头|是|
-|response|Object|通用响应体|是|
-|request|Object|通用请求配置|是|
 |config|Object|Axios 请求配置|是|
 |cookies|Array<.String>|开发者服务器返回的 cookies，格式为字符串数组| |
 |profile|Object|网络请求过程中一些关键时间点的耗时信息| |
diff --git a/package.json b/package.json
index 292be45..5485fd7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "axios-miniprogram",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "基于 Promise 的 HTTP 请求库，适用于各大小程序平台。",
   "main": "package/index.js",
   "miniprogram": "package",
diff --git a/src/adapter/requestConfig.ts b/src/adapter/requestConfig.ts
index 4966100..83abfdd 100644
--- a/src/adapter/requestConfig.ts
+++ b/src/adapter/requestConfig.ts
@@ -2,9 +2,10 @@
  * @Author: early-autumn
  * @Date: 2020-04-17 15:05:43
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-18 15:51:02
+ * @LastEditTime: 2020-04-19 15:53:36
  */
 import { Method, Data, Headers, AdapterMethod, AxiosRequestConfig, RequestConfig } from '../types';
+import { pick } from '../helper/utils';
 import transformURL from '../helper/transformURL';
 
 /**
@@ -24,7 +25,7 @@ function methodUppercase(config: AxiosRequestConfig): AdapterMethod {
  * @param config Axios 请求配置
  */
 export default function requestConfigOk(config: AxiosRequestConfig): RequestConfig {
-  const { headers, data, dataType, responseType, timeout, enableHttp2, enableQuic, enableCache, sslVerify } = config;
+  const { headers, data } = config;
   const url = transformURL(config);
   const method = methodUppercase(config);
 
@@ -34,12 +35,9 @@ export default function requestConfigOk(config: AxiosRequestConfig): RequestConf
     header: headers as Headers,
     headers: headers as Headers,
     data: data as Data,
-    dataType,
-    responseType,
-    timeout,
-    enableHttp2,
-    enableQuic,
-    enableCache,
-    sslVerify,
+    ...pick<
+      AxiosRequestConfig,
+      'dataType' | 'responseType' | 'timeout' | 'enableHttp2' | 'enableQuic' | 'enableCache' | 'sslVerify'
+    >(config, 'dataType', 'responseType', 'timeout', 'enableHttp2', 'enableQuic', 'enableCache', 'sslVerify'),
   };
 }
diff --git a/src/adapter/response.ts b/src/adapter/response.ts
index 7980735..af48bfd 100644
--- a/src/adapter/response.ts
+++ b/src/adapter/response.ts
@@ -2,9 +2,10 @@
  * @Author: early-autumn
  * @Date: 2020-04-17 14:09:16
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-18 16:03:37
+ * @LastEditTime: 2020-04-19 15:47:36
  */
-import { RequestConfig, AxiosRequestConfig, AxiosResponse, Response } from '../types';
+import { AxiosRequestConfig, AxiosResponse, Response } from '../types';
+import { pick } from '../helper/utils';
 
 /**
  * 各大平台通用响应体转成 Axios 响应体
@@ -15,27 +16,16 @@ import { RequestConfig, AxiosRequestConfig, AxiosResponse, Response } from '../t
  * @param request  通用请求配置
  * @param config   Axios 请求配置
  */
-
-export default function responseOk(
-  response: Response,
-  request: RequestConfig,
-  config: AxiosRequestConfig
-): AxiosResponse {
-  response.status = response.status ?? response.statusCode;
-  response.headers = response.headers ?? response.header;
-
-  const { status, headers, data, cookies, profile } = response;
+export default function responseOk(response: Response, config: AxiosRequestConfig): AxiosResponse {
+  const status = response.status ?? response.statusCode;
+  const headers = response.headers ?? response.header;
   const statusText = status === 200 ? 'OK' : status === 400 ? 'Bad Adapter' : '';
 
   return {
     status,
     statusText,
     headers,
-    data,
-    response,
-    request,
     config,
-    cookies,
-    profile,
+    ...pick<Response, 'data' | 'cookies' | 'profile'>(response, 'data', 'cookies', 'profile'),
   };
 }
diff --git a/src/core/InterceptorManager.ts b/src/core/InterceptorManager.ts
index 12e9374..ad42592 100644
--- a/src/core/InterceptorManager.ts
+++ b/src/core/InterceptorManager.ts
@@ -2,7 +2,7 @@
  * @Author: early-autumn
  * @Date: 2020-04-15 17:50:50
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-19 02:22:28
+ * @LastEditTime: 2020-04-19 13:35:47
  */
 import {
   InterceptorResolved,
@@ -24,7 +24,7 @@ export default class InterceptorManagerStatic<T> implements InterceptorManager<T
   /**
    * 拦截器集合
    */
-  private interceptors: Record<string, Interceptor<T>>;
+  private interceptors: Record<number, Interceptor<T>>;
 
   constructor() {
     this.id = 0;
@@ -38,7 +38,7 @@ export default class InterceptorManagerStatic<T> implements InterceptorManager<T
    * @param rejected 失败的回调函数
    */
   public use(resolved: InterceptorResolved<T>, rejected: InterceptorRejected = (err: any) => Promise.reject(err)) {
-    this.interceptors[this.id++] = {
+    this.interceptors[++this.id] = {
       resolved,
       rejected,
     };
diff --git a/src/core/dispatchRequest.ts b/src/core/dispatchRequest.ts
index 806fcca..2d443f3 100644
--- a/src/core/dispatchRequest.ts
+++ b/src/core/dispatchRequest.ts
@@ -2,7 +2,7 @@
  * @Author: early-autumn
  * @Date: 2020-04-13 18:01:16
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-18 15:53:05
+ * @LastEditTime: 2020-04-19 14:52:28
  */
 import { AxiosRequestConfig, AxiosResponse } from '../types';
 import flattenHeaders from '../helper/flattenHeaders';
diff --git a/src/helper/defaults.ts b/src/helper/defaults.ts
index 0c42424..4b4057d 100644
--- a/src/helper/defaults.ts
+++ b/src/helper/defaults.ts
@@ -2,7 +2,7 @@
  * @Author: early-autumn
  * @Date: 2020-04-15 22:09:38
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-18 20:34:41
+ * @LastEditTime: 2020-04-19 14:47:18
  */
 import { AxiosRequestConfig } from '../types';
 import adaptive from '../adapter/adaptive';
@@ -21,10 +21,10 @@ const defaults: AxiosRequestConfig = {
     head: {},
     delete: {},
     post: {
-      'Context-Type': 'application/x-www-form-urlencoded',
+      'Context-Type': 'application/x-www-form-urlencoded; charset=utf-8',
     },
     put: {
-      'Context-Type': 'application/x-www-form-urlencoded',
+      'Context-Type': 'application/x-www-form-urlencoded; charset=utf-8',
     },
   },
   validateStatus: function validateStatus(status) {
diff --git a/src/helper/flattenHeaders.ts b/src/helper/flattenHeaders.ts
index 5c84a57..77c69bd 100644
--- a/src/helper/flattenHeaders.ts
+++ b/src/helper/flattenHeaders.ts
@@ -2,10 +2,10 @@
  * @Author: early-autumn
  * @Date: 2020-04-18 12:00:01
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-19 02:32:15
+ * @LastEditTime: 2020-04-19 15:20:17
  */
 import { AliasMethod, Headers, AxiosRequestConfig } from '../types';
-import { merge } from './utils';
+import { omit } from './utils';
 
 /**
  * 拉平请求头
@@ -13,14 +13,17 @@ import { merge } from './utils';
  * @param config Axios 请求配置
  */
 export default function flattenHeaders(config: AxiosRequestConfig): Headers {
-  let { headers = {} } = config;
+  const { headers } = config;
+
+  if (headers === undefined) {
+    return {};
+  }
+
   const method = (config.method as string).toLowerCase() as AliasMethod;
 
-  headers = merge(headers.common ?? {}, headers[method] ?? {}, headers);
-
-  ['common', 'options', 'delete', 'get', 'head', 'post', 'put', 'trace', 'connect'].forEach((key: string) => {
-    delete headers[key];
-  });
-
-  return headers;
+  return {
+    ...(headers.common ?? {}),
+    ...(headers[method] ?? {}),
+    ...omit(headers, 'common', 'options', 'delete', 'get', 'head', 'post', 'put', 'trace', 'connect'),
+  };
 }
diff --git a/src/helper/utils.ts b/src/helper/utils.ts
index fd3a3bf..812819a 100644
--- a/src/helper/utils.ts
+++ b/src/helper/utils.ts
@@ -2,8 +2,10 @@
  * @Author: early-autumn
  * @Date: 2020-04-13 21:55:40
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-19 01:56:21
+ * @LastEditTime: 2020-04-19 16:08:40
  */
+import { AnyObject } from '../types';
+
 const _toString = Object.prototype.toString;
 
 /**
@@ -44,29 +46,6 @@ export function combineURL(baseURL: string, url: string): string {
   return `${baseURL.replace(/\/*$/, '')}/${url.replace(/^\/*/, '')}`;
 }
 
-/**
- * 浅合并多个对象
- *
- * @param objs n 个对象
- */
-export function merge(...objs: Record<string, any>[]): Record<string, any> {
-  const result: Record<string, any> = {};
-
-  function assignValue(key: string, val: any): void {
-    if (isPlainObject(result[key]) && isPlainObject(val)) {
-      result[key] = merge(result[key], val);
-    } else {
-      result[key] = val;
-    }
-  }
-
-  objs.forEach((obj: Record<string, any>): void => {
-    Object.entries(obj).forEach(([key, value]) => assignValue(key, value));
-  });
-
-  return result;
-}
-
 /**
  * 深度合并多个对象
  *
@@ -102,3 +81,31 @@ export function deepMerge(...objs: Record<string, any>[]): Record<string, any> {
 
   return result;
 }
+
+/**
+ * 从对象中提取一部分属性
+ *
+ * @param obj  源对象
+ * @param keys 需要提取的 key
+ */
+export function pick<T extends AnyObject, K extends keyof T>(obj: T, ...keys: K[]): Pick<T, K> {
+  const _pick: Partial<T> = {};
+
+  keys.forEach((key: K) => (_pick[key] = obj[key]));
+
+  return _pick as Pick<T, K>;
+}
+
+/**
+ * 从对象中剔除一部分属性
+ *
+ * @param obj  源对象
+ * @param keys 需要剔除的 key
+ */
+export function omit<T extends AnyObject, K extends keyof T>(obj: T, ...keys: K[]): Omit<T, K> {
+  const _omit = { ...obj };
+
+  keys.forEach((key: K) => delete _omit[key]);
+
+  return _omit;
+}
diff --git a/src/types.ts b/src/types.ts
index dfd0a66..5df5051 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -2,7 +2,7 @@
  * @Author: early-autumn
  * @Date: 2020-04-13 15:23:53
  * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-19 02:06:24
+ * @LastEditTime: 2020-04-19 14:10:56
  */
 /**
  * 任意值对象
@@ -367,16 +367,6 @@ export interface AxiosResponse<T extends Data = Data> {
    */
   headers: Headers;
 
-  /**
-   * 通用响应体
-   */
-  response: Response;
-
-  /**
-   * 通用请求配置
-   */
-  request: RequestConfig;
-
   /**
    * Axios 请求配置
    */
diff --git a/test/helper/buildURL.test.ts b/test/helper/buildURL.test.ts
new file mode 100644
index 0000000..9b7f1cb
--- /dev/null
+++ b/test/helper/buildURL.test.ts
@@ -0,0 +1,48 @@
+/*
+ * @Author: early-autumn
+ * @Date: 2020-04-19 14:34:13
+ * @LastEditors: early-autumn
+ * @LastEditTime: 2020-04-19 14:40:57
+ */
+import buildURL from '../../src/helper/buildURL';
+
+describe('测试 /helper/buildURL.ts', () => {
+  it('url', () => {
+    expect(buildURL('/test')).toBe('/test');
+    expect(buildURL('/test?id=1')).toBe('/test?id=1');
+  });
+
+  it('url + params', () => {
+    expect(
+      buildURL('/test', {
+        test: 1,
+      })
+    ).toBe('/test?test=1');
+    expect(
+      buildURL('/test?id=1', {
+        test: 1,
+      })
+    ).toBe('/test?id=1&test=1');
+  });
+
+  it('url + params + paramsSerializer', () => {
+    expect(
+      buildURL(
+        '/test',
+        {
+          test: 1,
+        },
+        () => 'paramsSerializer=ok'
+      )
+    ).toBe('/test?paramsSerializer=ok');
+    expect(
+      buildURL(
+        '/test?id=1',
+        {
+          test: 1,
+        },
+        () => 'paramsSerializer=ok'
+      )
+    ).toBe('/test?id=1&paramsSerializer=ok');
+  });
+});
diff --git a/test/helper/flattenHeaders.test.ts b/test/helper/flattenHeaders.test.ts
new file mode 100644
index 0000000..2f34618
--- /dev/null
+++ b/test/helper/flattenHeaders.test.ts
@@ -0,0 +1,16 @@
+/*
+ * @Author: early-autumn
+ * @Date: 2020-04-19 14:43:15
+ * @LastEditors: early-autumn
+ * @LastEditTime: 2020-04-19 16:19:24
+ */
+import flattenHeaders from '../../src/helper/flattenHeaders';
+
+describe('测试 src/helper/flattenHeaders.ts', () => {
+  it('测试 容错', () => {
+    expect(flattenHeaders({})).toEqual({
+      Accept: 'application/json, test/plain, */*',
+    });
+    //  'Content-Type': 'application/json; charset=utf-8',
+  });
+});
diff --git a/test/index.test.ts b/test/index.test.ts
deleted file mode 100644
index a931e58..0000000
--- a/test/index.test.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * @Author: early-autumn
- * @Date: 2020-04-14 23:43:45
- * @LastEditors: early-autumn
- * @LastEditTime: 2020-04-19 03:05:38
- */
-import { isDate } from '../src/helper/utils';
-
-describe('', () => {
-  it('?', () => {
-    expect(isDate(new Date())).toBe(true);
-  });
-});