diff --git a/web/app/models/UOJProblem.php b/web/app/models/UOJProblem.php
index e200a14..d520f93 100644
--- a/web/app/models/UOJProblem.php
+++ b/web/app/models/UOJProblem.php
@@ -22,6 +22,7 @@ class UOJProblem {
 		2300,
 		2400,
 		2500,
+		2600,
 		2700,
 		2900,
 		3100,
@@ -43,9 +44,10 @@ class UOJProblem {
 		2300 => '#ff8000',
 		2400 => '#ff8000',
 		2500 => '#ff8000',
+		2600 => '#ff0000',
 		2700 => '#ff0000',
 		2900 => '#ff0000',
-		3100 => '#ff0000',
+		3100 => '#aa0000',
 		3300 => '#aa0000',
 		3500 => '#aa0000',
 	];