diff --git a/worker/danmaku.py b/worker/danmaku.py
index 0ea8314..218dd95 100644
--- a/worker/danmaku.py
+++ b/worker/danmaku.py
@@ -17,7 +17,7 @@ def do_workflow(video_file, danmaku_base_file, *danmaku_files):
     result.append(danmaku_to_subtitle(danmaku_base_file, 0))
     for file in danmaku_files:
         try:
-            result.append(danmaku_to_subtitle(file, diff_danmaku_files(file, danmaku_base_file)))
+            result.append(danmaku_to_subtitle(file, diff_danmaku_files(danmaku_base_file, file)))
         except DanmakuException:
             print("弹幕文件", file, "异常")
             continue