diff --git a/README.md b/README.md
index e78cd3e..aa1914f 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ cp config-template.json config.json
   "group_chat_prefix": ["@bot"],                              # 群聊时包含该前缀则会触发机器人回复
   "group_name_white_list": ["ChatGPT测试群", "ChatGPT测试群2"], # 开启自动回复的群名称列表
   "image_create_prefix": ["画", "看", "找"],                   # 开启图片回复的前缀
-  "conversation_max_tokens": 3000                                                               # 支持上下文记忆的最多字符数
+  "conversation_max_tokens": 1000                             # 支持上下文记忆的最多字符数
 }
 ```
 **配置说明：**
diff --git a/bot/openai/open_ai_bot.py b/bot/openai/open_ai_bot.py
index a6858c0..0aedc4d 100644
--- a/bot/openai/open_ai_bot.py
+++ b/bot/openai/open_ai_bot.py
@@ -117,22 +117,24 @@ class Session(object):
         :param user_id: from user id
         :return: query content with conversaction
         '''
-        new_query = ""
+        prompt = conf().get("character_desc", "")
+        if prompt:
+            prompt += "\n\n"
         session = user_session.get(user_id, None)
         if session:
             for conversation in session:
-                new_query += "Q: " + conversation["question"] + "\n\n\nA: " + conversation["answer"] + "<|im_end|>\n"
-            new_query += "Q: " + query + "\nA: "
-            return new_query
+                prompt += "Q: " + conversation["question"] + "\n\n\nA: " + conversation["answer"] + "<|im_end|>\n"
+                prompt += "Q: " + query + "\nA: "
+            return prompt
         else:
-            return "Q: " + query + "\nA: "
+            return prompt + "Q: " + query + "\nA: "
 
     @staticmethod
     def save_session(query, answer, user_id):
         max_tokens = conf().get("conversation_max_tokens")
         if not max_tokens:
             # default 3000
-            max_tokens = 3000
+            max_tokens = 1000
         conversation = dict()
         conversation["question"] = query
         conversation["answer"] = answer
diff --git a/config-template.json b/config-template.json
index 84d660c..148e6a4 100644
--- a/config-template.json
+++ b/config-template.json
@@ -5,5 +5,5 @@
   "group_chat_prefix": ["@bot"],
   "group_name_white_list": ["ChatGPT测试群", "ChatGPT测试群2"],
   "image_create_prefix": ["画", "看", "找"],
-  "conversation_max_tokens": 3000
+  "conversation_max_tokens": 1000
 }
diff --git a/requirement.txt b/requirement.txt
new file mode 100644
index 0000000..18dce49
--- /dev/null
+++ b/requirement.txt
@@ -0,0 +1,2 @@
+itchat-uos==1.5.0.dev0
+openai