recent uniqBy

@@ -227,14 +227,16 @@ module.exports = class extends global.yoho.BaseModel {
             where = ' and act_prize_id = :actPrizeId';
         }
 
-        return mysqlCli.query(`select user_name, user_thumb, create_time
+        return mysqlCli.query(`select uid, user_name, user_thumb, create_time
             from ${TABLE_ACT_PRIZE_PRODUCT_USER} where act_id = :actId${where}
             order by create_time desc limit 10;`, {
                 actPrizeId,
                 actId
             }, {
                 cache: RECENT_CODE_CACHE_TIME
-            }).then(handelResult);
+            }).then(result => {
+                return handelResult(_.uniqBy(result, 'uid'));
+            });
     }
 
     /**