diff --git a/tz_crypto_bt.py b/tz_crypto_bt.py
index 524c2b3..9852521 100644
--- a/tz_crypto_bt.py
+++ b/tz_crypto_bt.py
@@ -1,27 +1,6 @@
 # -*- coding: utf-8 -*-
 # tzquant
 
-import os
-import sys
-import time
-import numpy as np
-import pandas as pd
-from datetime import datetime
-
-sys.path.append(os.path.abspath('./tz_crypto'))
-
-from tz_ctastrategy import (
-    BarData,
-    CtaTemplate,
-    OrderData,
-    StopOrder,
-    TickData,
-    TradeData,
-)
-from tz_ctastrategy.backtesting import BacktestingEngine
-from tzquant.trader.utility import ArrayManager, BarGenerator, Interval
-
-
 import os  
 import shutil  
   
@@ -60,4 +39,24 @@ for directory in directories_to_move:
         print(f"Directory {directory} does not exist in the current directory.")  
   
 # 移动完成后，可以打印确认信息  
-print("All directories have been moved to the parent directory of NumPy installation.")
\ No newline at end of file
+print("All directories have been moved to the parent directory of NumPy installation.")
+
+import os
+import sys
+import time
+import numpy as np
+import pandas as pd
+from datetime import datetime
+
+sys.path.append(os.path.abspath('./tz_crypto'))
+
+from tz_ctastrategy import (
+    BarData,
+    CtaTemplate,
+    OrderData,
+    StopOrder,
+    TickData,
+    TradeData,
+)
+from tz_ctastrategy.backtesting import BacktestingEngine
+from tzquant.trader.utility import ArrayManager, BarGenerator, Interval