diff --git a/pkg/openai/keymgr.py b/pkg/openai/keymgr.py
index 728cea3e..a0fea80d 100644
--- a/pkg/openai/keymgr.py
+++ b/pkg/openai/keymgr.py
@@ -12,12 +12,8 @@ class KeysManager:
 
     # api-key的使用量
     # 其中键为api-key的md5值，值为使用量
-    usage = {}
-
     fee = {}
 
-    api_key_usage_threshold = 900000 # 已弃用
-
     api_key_fee_threshold = 18.0
 
     using_key = ""