diff --git a/README.md b/README.md
index 5f73eba..ee76b04 100644
--- a/README.md
+++ b/README.md
@@ -167,7 +167,7 @@ pip3 install -r requirements-optional.txt
 
 **4.其他配置**
 
-+ `model`: 模型名称，目前支持 `gpt-3.5-turbo`, `gpt-4o`, `gpt-4-turbo`, `gpt-4`, `wenxin` , `claude` , `gemini`, `glm-4`,  `xunfei`, `moonshot`等，全部模型名称参考`common/const.py`文件
++ `model`: 模型名称，目前支持 `gpt-3.5-turbo`, `gpt-4o`, `gpt-4-turbo`, `gpt-4`, `wenxin` , `claude` , `gemini`, `glm-4`,  `xunfei`, `moonshot`等，全部模型名称参考[common/const.py](https://github.com/zhayujie/chatgpt-on-wechat/blob/master/common/const.py)文件
 + `temperature`,`frequency_penalty`,`presence_penalty`: Chat API接口参数，详情参考[OpenAI官方文档。](https://platform.openai.com/docs/api-reference/chat)
 + `proxy`：由于目前 `openai` 接口国内无法访问，需配置代理客户端的地址，详情参考  [#351](https://github.com/zhayujie/chatgpt-on-wechat/issues/351)
 + 对于图像生成，在满足个人或群组触发条件外，还需要额外的关键词前缀来触发，对应配置 `image_create_prefix `
diff --git a/bot/baidu/baidu_wenxin.py b/bot/baidu/baidu_wenxin.py
index 0e91668..ff78e75 100644
--- a/bot/baidu/baidu_wenxin.py
+++ b/bot/baidu/baidu_wenxin.py
@@ -18,11 +18,14 @@ class BaiduWenxinBot(Bot):
 
     def __init__(self):
         super().__init__()
-        wenxin_model = conf().get("baidu_wenxin_model") or "completions"
-        if conf().get("model") and conf().get("model") == const.WEN_XIN:
-            wenxin_model = "completions"
-        if conf().get("model") and conf().get("model") == const.WEN_XIN_4:
-            wenxin_model = "completions_pro"
+        wenxin_model = conf().get("baidu_wenxin_model")
+        if wenxin_model is not None:
+            wenxin_model = conf().get("baidu_wenxin_model") or "eb-instant"
+        else:
+            if conf().get("model") and conf().get("model") == const.WEN_XIN:
+                wenxin_model = "completions"
+            elif conf().get("model") and conf().get("model") == const.WEN_XIN_4:
+                wenxin_model = "completions_pro"
 
         self.sessions = SessionManager(BaiduWenxinSession, model=wenxin_model)