Feat: Display mode at the begin node #10427 (#12326)

### What problem does this PR solve?

Feat: Display mode at the begin node #10427
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/hooks/use-build-webhook-url.ts

@@ -0,0 +1,8 @@
+import { useParams } from 'umi';
+
+export function useBuildWebhookUrl() {
+  const { id } = useParams();
+
+  const text = `${location.protocol}//${location.host}/api/v1/webhook/${id}`;
+  return text;
+}