Update Readme

Signed-off-by: Kaiyuan Hu <kaiyuan.hu@zilliz.com>

README.md

@@ -20,25 +20,39 @@
 from towhee import AutoPipes, AutoConfig
 
 config = AutoConfig.load_config('eqa-search')
-config.openai_api_key = [your-openai-api-key]
+config.host = '127.0.0.1'
+config.port = '19530'
 config.collection_name = 'chatbot'
+config.top_k = 5
+
+# If using zilliz cloud
+config.user = [zilliz-cloud-username]
+config.password = [zilliz-cloud-password]
+
+# OpenAI api key
+config.openai_api_key = [your-openai-api-key]
+# Embedding model
+config.embedding_model = 'all-MiniLM-L6-v2'
+# Embedding model device
+config.embedding_device = -1
+
+# The threshold to filter milvus search result
+config.threshold = 0.5
+
 # The llm model source, openai or dolly
 config.llm_src = 'openai'
 # The llm model name
 config.llm_model = 'gpt-3.5-turbo'
-# The threshold to filter milvus search result
-config.threshold = 0.5
 
 
 p = AutoPipes.pipeline('eqa-search', config=config)
-res = p('https://github.com/towhee-io/towhee/blob/main/README.md', [])
+res = p('What is towhee?', [])
 ```
 
 
 <br />
 
 
-
 ## Enhanced QA Search Config
 
 ### Configuration for Sentence Embedding