Add chinese to README

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

README.md

@@ -1,20 +1,20 @@
-# 文心一言
+# Ernie Bot 文心一言
 
 *author: Jael*
 
 <br />
 
-## Description
+## Description 描述
 
 A LLM operator generates answer given prompt in messages using a large language model or service.
 This operator is implemented with Ernie Bot from [Baidu](https://cloud.baidu.com/wenxin.html).
 Please note you will need [Ernie API key & Secret key](https://ai.baidu.com/ai-doc/REFERENCE/Lkru0zoz4) to access the service.
 
-<br />
+LLM 算子使用大语言模型或服务，为输入的问题或提示生成答案。LLM/Ernie 利用了来自百度的[文心一言](https://cloud.baidu.com/wenxin.html)。请注意，您需要[文心一言服务的 API Key 和 Secret Key](https://ai.baidu.com/ai-doc/REFERENCE/Lkru0zoz4)才能访问该服务。
 
-## Code Example
+<br />
 
-Use the default model to continue the conversation from given messages.
+## Code Example 代码示例
 
 *Write a pipeline with explicit inputs/outputs name specifications:*
 
@@ -24,7 +24,7 @@ from towhee import pipe, ops
 p = (
     pipe.input('messages')
         .map('messages', 'answer', ops.LLM.Ernie(api_key=ERNIE_API_KEY, secret_key=ERNIE_SECRET_KEY))
-        .output('messages', 'answer')
+        .output('answer')
 )
 
 messages=[
@@ -36,7 +36,7 @@ answer = p(messages).get()[0]
 
 <br />
 
-## Factory Constructor
+## Factory Constructor 接口说明
 
 Create the operator via the following factory method:
 
@@ -59,7 +59,7 @@ Other OpenAI parameters such as temperature, etc.
 
 <br />
 
-## Interface
+## Interface 使用说明
 
 The operator takes a piece of text in string as input.
 It returns answer in json.