update

task/search_strategy_d.py

@@ -453,10 +453,10 @@ LEFT JOIN
 		)t2
 		on t1.user_id=t2.user_id
 		group by t1.partition_date,device_id
-	)dev 
-	on t1.partition_date=dev.partition_date and t1.cl_id=dev.device_id
+	)dev1
+	on t1.partition_date=dev1.partition_date and t1.cl_id=dev1.device_id
 	WHERE (spam_pv.device_id IS NULL or spam_pv.device_id ='')
-	and (dev.device_id is null or dev.device_id ='')
+	and (dev1.device_id is null or dev1.device_id ='')
 	GROUP BY t1.partition_date,active_type,device_os_type,channel
 )t4
 on t3.partition_date=t4.partition_date and t3.active_type=t4.active_type and t3.device_os_type = t4.device_os_type AND t3.channel = t4.channel