Root cause: after UID internalization, anonymous form no longer
sends reporter_game_uid, so req.body.reporter_game_uid was
undefined. The countRow query (outside try/catch) passed undefined
to mysql2 which throws 'Bind parameters must not contain undefined'
- escaping to the global error middleware -> 500 '服务器内部错误'
for ALL anonymous ticket types (appeal/report/suggestion).
Fix: default rgn/rgu to '' when absent.
canglan
da26dd5f69