diff --git a/exposed-panels/alibaba-canal-info-leak.yaml b/exposed-panels/alibaba-canal-info-leak.yaml
index c4c4d7ed15..f9de2da35d 100644
--- a/exposed-panels/alibaba-canal-info-leak.yaml
+++ b/exposed-panels/alibaba-canal-info-leak.yaml
@@ -7,6 +7,7 @@ info:
 
   # https://github.com/alibaba/canal/issues/632
   # https://netty.io/wiki/reference-counted-objects.html
+  # https://my.oschina.net/u/4581879/blog/4753320
 
 requests:
   - method: GET