Bug: mysql INSERT INTO channel ON DUPLICATE KEY UPDATE activity 崩溃

[im20A0]

Describe the bug

[W] mysql INSERT INTO channel (id,platform,flag,assignee,name,activity) VALUES ('#######', 'onebot', 0, '', '', '{"19027":null}')
ON DUPLICATE KEY UPDATE activity = if(id = '#######' AND platform = 'onebot', json_set(ifnull(activity, '{}'), '$."19027"', (json_unquote(json_extract(activity, '$."19027"')) + 13)), VALUES(activity))

/root/koishi/node_modules/@koishijs/plugin-database-mysql/src/index.ts:242
const error = new Error()
^
ER_TRUNCATED_WRONG_VALUE: Truncated incorrect DOUBLE value: 'null':
at MysqlDatabase.query (/root/koishi/node_modules/@koishijs/plugin-database-mysql/src/index.ts:242:19)
at MysqlDatabase.upsert (/root/koishi/node_modules/@koishijs/plugin-database-mysql/src/index.ts:418:16)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at _StatisticsProvider._uploadGuilds (/root/koishi/node_modules/@koishijs/plugin-status/src/stats.ts:190:5)
at async Promise.all (index 3)
at _StatisticsProvider.upload (/root/koishi/node_modules/@koishijs/plugin-status/src/stats.ts:205:7)

Steps to reproduce

调用各种指令后不定期发生

Expected behavior

Screenshots

No response

Versions

• OS: Ubuntu 21.04 LTS
• Platform: onebot 及 onebot qqguild
• Node version: 16.13.2
• Koishi version: 4.1.2

Additional context

No response