fix

app/Http/Controllers/QuickApp/User/Transformers/ReadRecordTransformer.php

@@ -14,7 +14,7 @@ class ReadRecordTransformer
             'book_name' => $res->book_name,
             'chapter_name' => $res->chapter_name,
             'time' => $res->time,
-            'cover' => $res->cover,
+            'cover_url' => $res->cover,
             'last_chapter' => $res->last_chapter
         ];
     }