飞书无法回复，有报错No available API, revive one randomly

[walingcc]

No available API, revive one randomly
2025/05/01 05:20:43 [Error] [handle event,path:/webhook/event, error:invalid argument to Intn]
[GIN] 2025/05/01 - 05:20:43 | 500 | 2.558376ms | 123.58.10.239 | POST "/webhook/event"
[GIN] 2025/05/01 - 05:20:58 | 200 | 265.21µs | 123.58.10.239 | POST "/webhook/event"