diff --git a/agent/bing_search.py b/agent/bing_search.py
index 2ff7749..962090c 100644
--- a/agent/bing_search.py
+++ b/agent/bing_search.py
@@ -7,7 +7,7 @@ from configs.model_config import BING_SEARCH_URL, BING_SUBSCRIPTION_KEY
 def bing_search(text, result_len=3):
     if not (BING_SEARCH_URL and BING_SUBSCRIPTION_KEY):
         return [{"snippet": "please set BING_SUBSCRIPTION_KEY and BING_SEARCH_URL in os ENV",
-                 "title": "env inof not fould",
+                 "title": "env info is not found",
                  "link": "https://python.langchain.com/en/latest/modules/agents/tools/examples/bing_search.html"}]
     search = BingSearchAPIWrapper(bing_subscription_key=BING_SUBSCRIPTION_KEY,
                                   bing_search_url=BING_SEARCH_URL)
diff --git a/configs/model_config.py b/configs/model_config.py
index e18f69b..9552ee0 100644
--- a/configs/model_config.py
+++ b/configs/model_config.py
@@ -165,7 +165,14 @@ flagging username: {FLAG_USER_NAME}
 OPEN_CROSS_DOMAIN = False
 
 # Bing 搜索必备变量
-# 使用 Bing 搜索需要使用 Bing Subscription Key
-# 具体申请方式请见 https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/quickstarts/rest/python
+# 使用 Bing 搜索需要使用 Bing Subscription Key,需要在azure port中申请试用bing search
+# 具体申请方式请见
+# https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/create-bing-search-service-resource
+# 使用python创建bing api 搜索实例详见:
+# https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/quickstarts/rest/python
 BING_SEARCH_URL = "https://api.bing.microsoft.com/v7.0/search"
+# 注意不是bing Webmaster Tools的api key，
+
+# 此外，如果是在服务器上，报Failed to establish a new connection: [Errno 110] Connection timed out
+# 是因为服务器加了防火墙，需要联系管理员加白名单，如果公司的服务器的话，就别想了GG
 BING_SUBSCRIPTION_KEY = ""
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