diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d1ca2f..be84c3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+## [v0.38.0] (2023-10-26)
+[v0.38.0]: https://github.com/CoboGlobal/cobo-js-api/compare/v0.37.0...v0.38.0
+### Added
+- Add New API: MPC Wallet add Update Address Description API.https://github.com/CoboGlobal/cobo-js-api/pull/34
+### Changed
+- Add New Params: Custodial Wallet New Withdraw Request and MPC Wallet Create Transaction API add remark param. https://github.com/CoboGlobal/cobo-js-api/pull/32
 
 ## [v0.37.0] (2023-07-27)
 [v0.37.0]: https://github.com/CoboGlobal/cobo-js-api/compare/v0.36.0...v0.37.0
diff --git a/README.md b/README.md
index af60219..92ef41c 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ add dependency in `package.json`
 ```
   "dependencies": {
      ...
-    "cobo-custody": "https://github.com/CoboGlobal/cobo-js-api/releases/download/v0.37.0/release.tgz"
+    "cobo-custody": "https://github.com/CoboGlobal/cobo-js-api/releases/download/v0.38.0/release.tgz"
   }
 ```
 
@@ -82,8 +82,8 @@ Please refer to the [link](https://doc.custody.cobo.com/en.html#api-authenticati
 ```js
 const { Client } = require('cobo-custody');
 const { LocalSigner } = require('cobo-custody');
-const {DEVELOP,PROD} = require('cobo-custody');
-const client = new Client(API_SIGNER, DEVELOP, true)
+const {DEV,PROD} = require('cobo-custody');
+const client = new Client(API_SIGNER, DEV, true)
 ```
 
 
diff --git a/index.ts b/index.ts
index 4a859b3..831ffb2 100644
--- a/index.ts
+++ b/index.ts
@@ -3,10 +3,10 @@ import {LocalSigner} from "./src/LocalSigner";
 import {Web3Client} from "./src/Web3Client";
 import {MPCClient} from "./src/MPCClient";
 
-import {PROD, DEVELOP} from "./src/Env";
+import {PROD, DEV} from "./src/Env";
 import { ApiResponse } from "./src/Base";
 
-export {PROD, DEVELOP}
+export {PROD, DEV}
 
 export {Client, LocalSigner, Web3Client, MPCClient};
 export {
diff --git a/package.json b/package.json
index 8c6f017..49c99e0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cobo-custody",
-  "version": "0.32.0",
+  "version": "0.38.0",
   "description": "",
   "main": "out/index.js",
   "files": [
diff --git a/src/Client.ts b/src/Client.ts
index b04b9dc..bba7546 100644
--- a/src/Client.ts
+++ b/src/Client.ts
@@ -16,7 +16,7 @@ export class Client {
     /***
      *
      * @param signer api signer
-     * @param env DEVELOP or PROD
+     * @param env DEV or PROD
      * @param debug
      */
     constructor(signer: Signer, env: Env, debug: boolean = false) {
diff --git a/src/Env.ts b/src/Env.ts
index feb920d..8d34d1e 100644
--- a/src/Env.ts
+++ b/src/Env.ts
@@ -8,5 +8,5 @@ export class Env {
     }
 }
 
-export const DEVELOP = new Env("https://api.dev.cobo.com", "03596da539963fb1dd29d5859e25903eb76b9f7ed2d58516e29c9f80c201ff2c1b");
+export const DEV = new Env("https://api.dev.cobo.com", "03596da539963fb1dd29d5859e25903eb76b9f7ed2d58516e29c9f80c201ff2c1b");
 export const PROD = new Env("https://api.custody.cobo.com", "02c3e5bacf436fbf4da78597e791579f022a2e85073ae36c54a361ff97f2811376");
diff --git a/src/MPCClient.ts b/src/MPCClient.ts
index 7274474..f42138e 100644
--- a/src/MPCClient.ts
+++ b/src/MPCClient.ts
@@ -16,7 +16,7 @@ export class MPCClient {
     /***
      *
      * @param signer api signer
-     * @param env DEVELOP or PROD
+     * @param env DEV or PROD
      * @param debug
      */
     constructor(signer: Signer, env: Env, debug: boolean = false) {
diff --git a/src/Web3Client.ts b/src/Web3Client.ts
index 2f6c082..c2baeb6 100644
--- a/src/Web3Client.ts
+++ b/src/Web3Client.ts
@@ -16,7 +16,7 @@ export class Web3Client {
     /***
      *
      * @param signer api signer
-     * @param env DEVELOP or PROD
+     * @param env DEV or PROD
      * @param debug
      */
     constructor(signer: Signer, env: Env, debug: boolean = false) {
diff --git a/test/Client.test.ts b/test/Client.test.ts
index 9984d15..22a4212 100644
--- a/test/Client.test.ts
+++ b/test/Client.test.ts
@@ -1,20 +1,20 @@
 import {Client, LocalSigner} from "..";
-import {DEVELOP} from "./config";
+import {DEV} from "./config";
 import {PROD} from "./config";
-import {DEVELOP_TEST_DATA} from "./config";
+import {DEV_TEST_DATA} from "./config";
 import {PROD_TEST_DATA} from "./config";
 
 var apiSecret:string = 'apiSecret';
-var clientEnv:any = DEVELOP;
-var testData:any = DEVELOP_TEST_DATA
+var clientEnv:any = DEV;
+var testData:any = DEV_TEST_DATA
 
 if(process.argv.length > 3){
     const paramEnv = process.argv.filter((x) => x.startsWith('-env='))[0].split('=')[1];
     const env = paramEnv ? paramEnv : 'develop';
-    clientEnv = env==='prod' ? PROD: DEVELOP;
+    clientEnv = env==='prod' ? PROD: DEV;
     const paramApiSecret = process.argv.filter((x) => x.startsWith('-secretKey='))[0].split('=')[1]
     apiSecret = paramApiSecret ? paramApiSecret: 'apiSecret' 
-    testData = env==='prod' ? PROD_TEST_DATA: DEVELOP_TEST_DATA;
+    testData = env==='prod' ? PROD_TEST_DATA: DEV_TEST_DATA;
 }
 
 jest.setTimeout(10000);
diff --git a/test/MPCClient.test.ts b/test/MPCClient.test.ts
index e956d79..ab10e53 100644
--- a/test/MPCClient.test.ts
+++ b/test/MPCClient.test.ts
@@ -1,15 +1,15 @@
 import {LocalSigner} from "../src/LocalSigner";
 import {MPCClient} from "../src/MPCClient";
-import {DEVELOP} from "./config";
+import {DEV} from "./config";
 import {PROD} from "./config";
 
 var mpcApiSecret:string = 'apiSecret';
-var clientEnv:any = DEVELOP;
+var clientEnv:any = DEV;
 
 if(process.argv.length > 3){
     const paramEnv = process.argv.filter((x) => x.startsWith('-env='))[0].split('=')[1];
     const env = paramEnv ? paramEnv : 'develop';
-    clientEnv = env==='prod' ? PROD: DEVELOP;
+    clientEnv = env==='prod' ? PROD: DEV;
     const paramApiSecret = process.argv.filter((x) => x.startsWith('-mpcSecretKey='))[0].split('=')[1]
     mpcApiSecret = paramApiSecret ? paramApiSecret: 'mpcApiSecret'
 }
diff --git a/test/Web3Client.test.ts b/test/Web3Client.test.ts
index 463b7a6..7905380 100644
--- a/test/Web3Client.test.ts
+++ b/test/Web3Client.test.ts
@@ -1,15 +1,15 @@
 import {LocalSigner} from "../src/LocalSigner";
 import {Web3Client} from "../src/Web3Client";
-import {DEVELOP} from "./config";
+import {DEV} from "./config";
 import {PROD} from "./config";
 
 var web3ApiSecret:string = 'apiSecret';
-var clientEnv:any = DEVELOP;
+var clientEnv:any = DEV;
 
 if(process.argv.length > 3){
     const paramEnv = process.argv.filter((x) => x.startsWith('-env='))[0].split('=')[1];
     const env = paramEnv ? paramEnv : 'develop';
-    clientEnv = env==='prod' ? PROD: DEVELOP;
+    clientEnv = env==='prod' ? PROD: DEV;
     const paramApiSecret = process.argv.filter((x) => x.startsWith('-web3SecretKey='))[0].split('=')[1]
     web3ApiSecret = paramApiSecret ? paramApiSecret: web3ApiSecret
 }
diff --git a/test/config.ts b/test/config.ts
index 0b3ed19..9820b10 100644
--- a/test/config.ts
+++ b/test/config.ts
@@ -1,9 +1,9 @@
 import {Env} from "../src/Env";
 
 export const PROD = new Env("https://api.custody.cobo.com", "02c3e5bacf436fbf4da78597e791579f022a2e85073ae36c54a361ff97f2811376");
-export const DEVELOP = new Env("https://api.dev.cobo.com", "03596da539963fb1dd29d5859e25903eb76b9f7ed2d58516e29c9f80c201ff2c1b");
+export const DEV = new Env("https://api.dev.cobo.com", "03596da539963fb1dd29d5859e25903eb76b9f7ed2d58516e29c9f80c201ff2c1b");
 
-export const DEVELOP_TEST_DATA : { [key: string]: any } = {
+export const DEV_TEST_DATA : { [key: string]: any } = {
     "cobo_id":"20220314181458000331767000003732",
     "tx_id":"0x1c4d137bc2a2ee8f22cbdf9e90405974e72e65d922f42eb81d9f7a05d0f64fc6",
     "withdraw_id":"web_send_by_user_915_1647252768642",