diff --git a/SrcJyAliDisk.js b/SrcJyAliDisk.js
index b0fbe42..430fd90 100644
--- a/SrcJyAliDisk.js
+++ b/SrcJyAliDisk.js
@@ -323,7 +323,7 @@ function aliMyDisk(folder_id,nofilter) {
                             col_type: 'avatar',
                             extra: {
                                 id: item.file_id,
-                                cls: item.category,
+                                cls: "playlist " + item.category,
                                 inheritTitle: false
                             }
                         })