fix

things/nest-koishijs/src/bot/bot.service.ts

@@ -18,7 +18,7 @@ export class BotService {
   constructor(
     @InjectConnection('app')
     private db: Connection,
-    public log: BotLogger,
+    private log: BotLogger,
     private readonly appService: AppService,
   ) {
     this.log.setContext('bot');