allow first bot

index.ts

@@ -17,8 +17,8 @@ export class ChannelTarget {
 @RegisterSchema()
 export class SendTarget {
   @SchemaProperty({
-    required: true,
-    description: 'Bot identifier. eg. onebot:123456789. ',
+    description:
+      'Bot identifier. eg. onebot:123456789. Will use first bot if not specified.',
   })
   bot: string;
 
@@ -36,6 +36,14 @@ export class SendTarget {
   })
   channels: ChannelTarget[];
 
+  private getBot(bots: Adapter.BotList) {
+    if (this.bot) {
+      return bots.get(this.bot);
+    } else {
+      return bots.find((bot) => bot['parentBot']?.platform !== 'onebot');
+    }
+  }
+
   async send(bots: Adapter.BotList, content: string) {
     const bot = bots.get(this.bot);
     if (!bot) {