diff --git a/cspell.json b/cspell.json
index 48e9236..eba8cca 100644
--- a/cspell.json
+++ b/cspell.json
@@ -4,7 +4,18 @@
   "dictionaryDefinitions": [],
   "dictionaries": [],
   "caseSensitive": false,
-  "words": ["packagejson", "preinstall", "websockets"],
+  "words": [
+    "autoinstallers",
+    "Bytedance",
+    "cozeloop",
+    "Langsmith",
+    "packagejson",
+    "preinstall",
+    "traceparent",
+    "tracestate",
+    "vikingdb",
+    "websockets"
+  ],
   "ignoreWords": [],
   "import": []
 }
diff --git a/packages/cozeloop-ai/README.md b/packages/cozeloop-ai/README.md
index 05ee66a..5759485 100644
--- a/packages/cozeloop-ai/README.md
+++ b/packages/cozeloop-ai/README.md
@@ -1,4 +1,4 @@
-# CozeLoop SDK
+# 🧭 CozeLoop SDK
 
 [![npm version](https://img.shields.io/npm/v/%40cozeloop%2Fai)](https://www.npmjs.com/package/@cozeloop/ai)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
@@ -41,7 +41,7 @@ const prompt = await promptHub.getPrompt(
 ```
 
 ## Key Features
-- 🗄️ **Prompt Hub**: Develop, submit and publish prompts on [CozeLoop](https://coze.loop.cn), and access them it via `PromptHub`
+- 🗄️ **Prompt Hub**: Develop, submit and publish prompts on [CozeLoop](https://loop.coze.cn), and access them it via `PromptHub`
 - 🔐 **Authentication Methods**: PAT and JWT
 - ⚙️ **Configurable**: Timeout, headers, signal, debug options
 
@@ -62,7 +62,7 @@ const authFlow = new OAuthJWTFlow({
   appId: '1177045121217', // Auth App Id
   aud: 'api.coze.cn', // just use api.coze.cn
   keyid: 'public_key_id of Auth App',
-  privateKey: 'priveate_key_content',
+  privateKey: 'private_key_content',
 });
 
 const tokenResp = await authFlow.getToken();
diff --git a/packages/cozeloop-ai/README.zh-CN.md b/packages/cozeloop-ai/README.zh-CN.md
index 28d77c0..3ec4265 100644
--- a/packages/cozeloop-ai/README.zh-CN.md
+++ b/packages/cozeloop-ai/README.zh-CN.md
@@ -1,4 +1,4 @@
-# CozeLoop SDK
+# 🧭 扣子罗盘 SDK
 
 [![npm version](https://img.shields.io/npm/v/%40cozeloop%2Fai)](https://www.npmjs.com/package/@cozeloop/ai)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
@@ -41,7 +41,7 @@ const prompt = await promptHub.getPrompt(
 ```
 
 ## 主要特性
-- 🗄️ **Prompt Hub**: 在 [CozeLoop](https://coze.loop.cn) 平台开发、提交和发布 Prompt，使用 `PromptHub` 访问 Prompt。
+- 🗄️ **Prompt Hub**: 在 [CozeLoop](https://loop.coze.cn) 平台开发、提交和发布 Prompt，使用 `PromptHub` 访问 Prompt。
 - 🔐 **多种鉴权方式**: PAT and JWT
 - ⚙️ **可配置**: 超时、请求头、信号、调试
 
@@ -62,7 +62,7 @@ const authFlow = new OAuthJWTFlow({
   appId: '1177045121217', // 授权应用 App Id
   aud: 'api.coze.cn', //  使用 api.coze.cn
   keyid: 'public_key_id of Auth App',
-  privateKey: 'priveate_key_content',
+  privateKey: 'private_key_content',
 });
 
 const tokenResp = await authFlow.getToken();
diff --git a/packages/cozeloop-ai/package.json b/packages/cozeloop-ai/package.json
index e3edc6d..57875e3 100644
--- a/packages/cozeloop-ai/package.json
+++ b/packages/cozeloop-ai/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cozeloop/ai",
-  "version": "0.0.4-beta.4",
+  "version": "0.0.4",
   "description": "Official Node.js SDK of CozeLoop | 扣子罗盘官方 Node.js SDK",
   "keywords": [
     "cozeloop",
diff --git a/packages/cozeloop-ai/src/tracer/constants/index.ts b/packages/cozeloop-ai/src/tracer/constants/index.ts
index 9cbe4c6..7176180 100644
--- a/packages/cozeloop-ai/src/tracer/constants/index.ts
+++ b/packages/cozeloop-ai/src/tracer/constants/index.ts
@@ -5,6 +5,9 @@ export const ROOT_SPAN_PARENT_ID = '0';
 
 export const COZELOOP_LOGGER_TRACER_TAG = 'Tracer';
 
+/** Default export batch size 100 (according to the server) */
+export const COZELOOP_MAX_EXPORT_BATCH_SIZE = 100;
+
 export enum COZELOOP_TRACE_IDENTIFIER {
   LOOP = 'cozeloop-js',
 }
diff --git a/packages/cozeloop-ai/src/tracer/initialize.ts b/packages/cozeloop-ai/src/tracer/initialize.ts
index 6993b14..84dfede 100644
--- a/packages/cozeloop-ai/src/tracer/initialize.ts
+++ b/packages/cozeloop-ai/src/tracer/initialize.ts
@@ -17,6 +17,7 @@ import { type LoopTraceInitializeOptions } from './types';
 import { CozeLoopTraceExporter } from './exporter';
 import {
   COZELOOP_LOGGER_TRACER_TAG,
+  COZELOOP_MAX_EXPORT_BATCH_SIZE,
   COZELOOP_TRACE_OPTIONS,
 } from './constants';
 
@@ -27,7 +28,9 @@ function instantiateProcessor(
   switch (processor) {
     case 'batch':
     case undefined:
-      return new BatchSpanProcessor(exporter);
+      return new BatchSpanProcessor(exporter, {
+        maxExportBatchSize: COZELOOP_MAX_EXPORT_BATCH_SIZE,
+      });
     case 'noop':
       return new NoopSpanProcessor();
     case 'simple':