diff --git a/src/you_get/common.py b/src/you_get/common.py
index 70602c89..53d11e20 100755
--- a/src/you_get/common.py
+++ b/src/you_get/common.py
@@ -892,7 +892,7 @@ class DummyProgressBar:
     def done(self):
         pass
 
-
+//获取时疑似最大长度不够。
 def get_output_filename(urls, title, ext, output_dir, merge, **kwargs):
     # lame hack for the --output-filename option
     global output_filename