free book stats

app/Modules/Book/Services/BookConfigService.php

@@ -547,6 +547,6 @@ class BookConfigService
         $now = date('Y-m-d');
         $amount = $amount*100;
         Redis::hincrby('qapp:book:free:charge:'.$id,$now,$amount);
-        Redis::sadd('qapp:wap:free:charge'.$now,$id);
+        Redis::sadd('qapp:free:charge'.$now,$id);
     }
 }