update loss chk

route/api/wristband.js

@@ -131,8 +131,9 @@ router
         let query = "select w.`name`, w.`mac` as wristband, \
             coalesce(l.`name`, l2.`name`) as locname, \
             coalesce(case when tmp2.`wlocrtloc` = 'NG' then null else tmp2.`wlocrtloc` end, ll.`devid`) as locid, \
-            ll.*\
-            from ??.?? w\
+            case when tmp2.`wlocrtloc` = 'NG' then 1 else 0 end as loss, \
+            ll.* \
+            from ??.?? w \
             left join ??.?? tmp2 \
             on tmp2.`wlocrtmac` = w.`mac` \
             left join ??.?? ll \