diff --git a/README.md b/README.md
index cb2663d..0574801 100644
--- a/README.md
+++ b/README.md
@@ -428,3 +428,5 @@ See [skills/gitlink-shared/REFERENCE.md](skills/gitlink-shared/REFERENCE.md).
 ## License
 
 [MulanPSL-2.0](https://license.coscl.org.cn/MulanPSL2)
+
+> This line is for PR workflow testing, can be reverted after merge.