diff --git a/差旅报销.py b/差旅报销.py
index 306c3cc..4541692 100644
--- a/差旅报销.py
+++ b/差旅报销.py
@@ -222,6 +222,7 @@ def command_fill(args):
     verify_output(output_file, result)
     final_archive_dir = finalize_archive_dir(archive_dir, result)
     final_output_file = final_archive_dir / OUTPUT_DIR_NAME / output_file.name
+    cleanup_pycache()
 
     print(f"完成：{final_output_file}")
     print(f"本次归档目录：{final_archive_dir}")
@@ -358,6 +359,12 @@ def unique_archive_dir(path):
         index += 1
 
 
+def cleanup_pycache():
+    pycache_dir = Path("__pycache__")
+    if pycache_dir.exists():
+        shutil.rmtree(pycache_dir)
+
+
 def build_archive_dir_name(meta):
     start_date = normalize_date_for_filename(meta["出发日期"])
     end_date = normalize_date_for_filename(meta["结束日期"])