diff --git a/packages/client/README.md b/packages/client/README.md
index 3ab49b0..76c2f18 100644
--- a/packages/client/README.md
+++ b/packages/client/README.md
@@ -29,6 +29,31 @@ rpc.fn('a', (a: string) => {
 });
 ```
 
+## 返回类型
+
+方法的第二个参数是返回类型，默认返回json。
+
+返回json
+
+```js
+const res = await client.a('hello');
+console.dir(res);
+
+or
+
+const res = await client.a('hello','json');
+console.dir(res);
+
+```
+
+返回text，只有1种办法
+
+```js
+const res = await client.a('hello','text');
+console.dir(res);
+```
+
+
 ## 扩展
 
 默认用 get 方法，如果想用 post，可以通过 methodFilter 来配置
@@ -51,8 +76,6 @@ const client = createClient({
 
 比如a.a，你的lastKey就是a，这里把namespace去掉，更简单。
 
-
-
 ## test
 
 ```
diff --git a/packages/client/src/__tests__/index.test.ts b/packages/client/src/__tests__/index.test.ts
index 6776ebb..f1b268d 100644
--- a/packages/client/src/__tests__/index.test.ts
+++ b/packages/client/src/__tests__/index.test.ts
@@ -41,22 +41,12 @@ describe('lib', () => {
     },
   });
 
-  // const request = supertest(rpc.callback());
-
   it('should GET return json', async () => {
     rpc.start(30001);
 
     const client = createClient({
       host: '127.0.0.1',
       port: 30001,
-      // namespace: 'a',
-      // methodFilter: function (lastKey: string) {
-      //   if (lastKey === 'a') {
-      //     return 'post';
-      //   } else {
-      //     return 'get';
-      //   }
-      // },
     });
 
     // console.dir(client);
@@ -73,42 +63,26 @@ describe('lib', () => {
 
   it('should GET return text', async () => {
     rpc.start(30002);
-    // const res = await request2.get('/api/a?$p=["hello"]');
-    // expect(res.type).toEqual('application/json');
-    // expect(res.status).toEqual(200);
-    // expect(res.body).toEqual({ a: 'hello' });
 
     const client = createClient({
       host: '127.0.0.1',
       port: 30002,
-      // namespace: 'a',
-      // methodFilter: function (lastKey: string) {
-      //   if (lastKey === 'a') {
-      //     return 'post';
-      //   } else {
-      //     return 'get';
-      //   }
-      // },
     });
 
     // console.dir(client);
-    const res1 = await client.b('hello', 'text');
+    const res1 = await client.text('hello', 'text');
     // const res1 = await req.json();
     console.dir(res1);
 
     expect(res1).toBe('hello');
   });
 
-  it.only('should POST return json', async () => {
-    rpc.start(30002);
-    // const res = await request2.get('/api/a?$p=["hello"]');
-    // expect(res.type).toEqual('application/json');
-    // expect(res.status).toEqual(200);
-    // expect(res.body).toEqual({ a: 'hello' });
+  it('should POST return json', async () => {
+    rpc.start(30003);
 
     const client = createClient({
       host: '127.0.0.1',
-      port: 30002,
+      port: 30003,
       // namespace: 'a',
       methodFilter: function (lastKey: string) {
         if (lastKey === 'b') {
diff --git a/packages/client/src/proxy.ts b/packages/client/src/proxy.ts
index b11a51d..bb15e5f 100644
--- a/packages/client/src/proxy.ts
+++ b/packages/client/src/proxy.ts
@@ -1,9 +1,9 @@
 import debug from 'debug';
 
-const log = console.dir; //debug('@tomrpc/client');
+const log = debug('@tomrpc/client');
 
 import { TomClient } from '.';
-import { getHttpMethods, mergeDeep } from './utils';
+import { getHttpMethods } from './utils';
 
 export const defaultConfig = {
   methodFilter: function (lastKey: string) {
diff --git a/packages/client/src/utils.ts b/packages/client/src/utils.ts
index 4c6e2a7..6404732 100644
--- a/packages/client/src/utils.ts
+++ b/packages/client/src/utils.ts
@@ -28,35 +28,3 @@ export function getHttpMethods() {
     'connect',
   ];
 }
-
-/**
- * Simple object check.
- * @param item
- * @returns {boolean}
- */
-export function isObject(item) {
-  return item && typeof item === 'object' && !Array.isArray(item);
-}
-
-/**
- * Deep merge two objects.
- * @param target
- * @param ...sources
- */
-export function mergeDeep(target, ...sources) {
-  if (!sources.length) return target;
-  const source = sources.shift();
-
-  if (isObject(target) && isObject(source)) {
-    for (const key in source) {
-      if (isObject(source[key])) {
-        if (!target[key]) Object.assign(target, { [key]: {} });
-        mergeDeep(target[key], source[key]);
-      } else {
-        Object.assign(target, { [key]: source[key] });
-      }
-    }
-  }
-
-  return mergeDeep(target, ...sources);
-}