SQL merge operation of query results of tables with different columns

select *, null as collect_id from table1 where user_id = 527
union
select id,user_id,null as type_id,null as pro_id, collect_id from table2 where user_id = 527;

SELECT
"Module Name",
"Event Code",
"Number of clicks",
"Usage time (unit: minutes)"
FROM

(SELECT 
T.fun_name as "module name",
T.event_code as "Event Code",
SUM(click_records) as "Number of clicks"
FROM 
(SELECT m.* FROM default.daily_new_clientrpt_master m WHERE event_id in ( SELECT max(event_id) AS "event" from default.daily_new_clientrpt_master group by user_name,fun_code ORDER BY "event" DESC ) ) T where day = today() GROUP BY "module name" ,"event code") T5
JOIN
(
SELECT 
T.fun_name as "module name",
T.event_code as "Event Code",
round(sum(stay_time)/60000,0) as "Usage time (unit: minutes)"
FROM 
(SELECT m.* FROM default.daily_new_clientrpt_master m WHERE event_id in 
 ( 
 SELECT "event" FROM (
 SELECT max(event_id) AS "event", max(stay_time) AS "event1" from default.daily_new_clientrpt_master group by user_name,fun_code ORDER BY "event1" DESC) )
) 
 T where day = today() AND like(event_code,'%10000') GROUP BY "module name" ,"event code"
) T6 ON T5."Module name"=T6."Module name" AND T5."Event code"=T6."Event code"