diff --git a/routers/point.py b/routers/point.py
index cd0aea2..7fec7b1 100644
--- a/routers/point.py
+++ b/routers/point.py
@@ -12,7 +12,7 @@ router = APIRouter()
 
 def dest_partition(s: str) -> int:
     try:
-        return int(s[-8:], 16) % 16
+        return int(s[-18:], 16) % 16
     except:
         return 0