diff --git a/About-delegate-of-MacOS-RustDesk.md b/About-delegate-of-MacOS-RustDesk.md
index 653d6b0..bdf0bb6 100644
--- a/About-delegate-of-MacOS-RustDesk.md
+++ b/About-delegate-of-MacOS-RustDesk.md
@@ -8,6 +8,6 @@ When `--server` receives the delegate, it will check if there is RustDesk window
 When `--server` is not running, the `openURL` delegate events will be sent to RustDesk window directly in two ways,
  
 1. No window opened while receiving the url schema, https://github.com/rustdesk/rustdesk/blob/6e689400b69f0276a68e9eff531737c25b09c64e/flutter/lib/main.dart#L138
-2. Window already open while receiving the url schema, https://github.com/rustdesk/rustdesk/blob/6e689400b69f0276a68e9eff531737c25b09c64e/flutter/lib/common.dart#L1881
+2. Window already open while receiving the url schema, https://github.com/rustdesk/rustdesk/blob/6e689400b69f0276a68e9eff531737c25b09c64e/flutter/lib/common.dart#L1881, here is a [stupid bug fix](https://github.com/rustdesk/rustdesk/pull/7537/files) for this.
 
 the `openURL` delegate listen is registered in uni_links_desktop, the url schema will be propogated to dart via uni_links_desktop. launchpad click delegate event listener is registered [here](https://github.com/rustdesk/rustdesk/blob/6e689400b69f0276a68e9eff531737c25b09c64e/flutter/macos/Runner/AppDelegate.swift#L15).
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