diff --git a/README.md b/README.md
index f9c490be..c195cc6e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,9 @@
 # QChatGPT
 
-- 交流、答疑群: 204785790  
+- 交流、答疑群: 204785790 
+  - **进群提问前请您`确保`已经找遍文档和issue均无法解决**  
+  - **进群提问前请您`确保`已经找遍文档和issue均无法解决**  
+  - **进群提问前请您`确保`已经找遍文档和issue均无法解决**  
 - QQ频道机器人见[QQChannelChatGPT](https://github.com/Soulter/QQChannelChatGPT)
 
 通过调用OpenAI GPT-3模型提供的Completion API来实现一个更加智能的QQ机器人  
diff --git a/config-template.py b/config-template.py
index 62f5783d..cad49e44 100644
--- a/config-template.py
+++ b/config-template.py
@@ -98,4 +98,5 @@ help_message = """此机器人通过调用OpenAI的GPT-3大型语言模型生成
 !last - 切换到前一次的对话
 !next - 切换到后一次的对话
 !prompt - 显示当前对话所有内容
-!list - 列出所有历史会话""".format(session_expire_time // 60)
+!list - 列出所有历史会话
+!usage - 列出各个api-key的使用量""".format(session_expire_time // 60)
diff --git a/pkg/openai/session.py b/pkg/openai/session.py
index aa0f6ba7..3aff1895 100644
--- a/pkg/openai/session.py
+++ b/pkg/openai/session.py
@@ -185,7 +185,7 @@ class Session:
             if checked_rounds > max_rounds:
                 break
 
-            if len(result_temp) > max_tokens:
+            if int((len(result_temp.encode('utf-8')) - len(result_temp)) / 2 + len(result_temp)) > max_tokens:
                 break
 
             result = result_temp
diff --git a/pkg/qqbot/manager.py b/pkg/qqbot/manager.py
index 830cf0ef..94d043d6 100644
--- a/pkg/qqbot/manager.py
+++ b/pkg/qqbot/manager.py
@@ -8,6 +8,7 @@ from mirai import At, GroupMessage, MessageEvent, Mirai, Plain, StrangerMessage,
 
 import config
 import pkg.openai.session
+import pkg.openai.manager
 from func_timeout import func_set_timeout, FunctionTimedOut
 import datetime
 import logging
@@ -165,6 +166,18 @@ class QQBotManager:
                                     reply += ",当前会话是 #{}\n".format(current)
                                 else:
                                     reply += ",当前处于全新会话或不在此页"
+                        elif cmd == 'usage':
+                            api_keys = pkg.openai.manager.get_inst().key_mgr.api_key
+                            reply = "[bot]api-key使用情况:(阈值:{})\n\n".format(pkg.openai.manager.get_inst().key_mgr.api_key_usage_threshold)
+
+                            using_key_name = ""
+                            for api_key in api_keys:
+                                reply += "{}:\n - {}字 {}%\n".format(api_key,
+                                                               pkg.openai.manager.get_inst().key_mgr.get_usage(api_keys[api_key]),
+                                                               round(pkg.openai.manager.get_inst().key_mgr.get_usage(api_keys[api_key]) / pkg.openai.manager.get_inst().key_mgr.api_key_usage_threshold * 100, 3))
+                                if api_keys[api_key] == pkg.openai.manager.get_inst().key_mgr.using_key:
+                                    using_key_name = api_key
+                            reply += "\n当前使用:{}".format(using_key_name)
                     except Exception as e:
                         self.notify_admin("{}指令执行失败:{}".format(session_name, e))
                         logging.exception(e)
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 1215238a..00000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-colorlog>=6.6.0
-func-timeout>=4.3.5
-openai>=0.25.0
-websockets==10.4
-yiri-mirai==0.2.6.1