fix

src/index.ts

@@ -187,6 +187,7 @@ export default class HisoutensokuJammerPlugin implements OnApply {
     useCache = true,
   ) {
     const targets = await this.getTargetsFromMessage(message, sender, useCache);
+    if (!targets) return;
     const results: boolean[] = await Promise.all(
       targets.map((target) => {
         return this.startAttack(target.address, target.port);