remove unnecessary persist

@@ -29,7 +29,6 @@ const adminController = {
         const userName = req.body.userName || '';
         const password = req.body.password || '';
 
-        // TODO 管理员暂时写死
         if (userName !== 'admin' || password !== 'yap@admin') {
             return res.json({
                 code: 400,

@@ -40,9 +40,7 @@ class ActWheelSurfRedis extends global.yoho.BaseModel {
       prize.id = idx + 1;
       multi.lpush(`turntable:${actId}:prize`, JSON.stringify(prize));
       multi.set(`turntable:${actId}:prize:${prize.prize_idx}:stock`, prize.total_left);
-      multi.persist(`turntable:${actId}:prize:${prize.prize_idx}:stock`);
     });
-    multi.persist(`turntable:${actId}:prize`);
     return multi.execAsync();
   }
   updateActPrize(actId, prizesList) {