diff --git a/models/extensions/callback.py b/models/extensions/callback.py
index 61047796..097caa82 100644
--- a/models/extensions/callback.py
+++ b/models/extensions/callback.py
@@ -29,7 +29,6 @@ class LimitedLengthDict(dict):
 
 
 class FixedLengthQueue:
-
     # 停止符号列表
     stop_sequence: Optional[str] = []
     # 缓冲区
@@ -170,7 +169,6 @@ class Iteratorize:
         # 在这里可以对实例进行额外的设置
         return instance
 
-
     def __init__(self, func, kwargs={}, callback=None):
         self.mfunc = func
         self.c_callback = callback