diff --git a/ProblemMap/README.md b/ProblemMap/README.md
index 871a4526..6e49277b 100644
--- a/ProblemMap/README.md
+++ b/ProblemMap/README.md
@@ -428,6 +428,7 @@ Problem Map is step one. **Global Fix Map** expands the same reasoning-first fir
 - TXT OS: [browse the OS](https://github.com/onestardao/WFGY/tree/main/OS)  
 - if this map helped you, a ⭐ helps more devs find it.
 
+---
 
 ### 🧭 Explore More