diff --git a/src/main/java/mpms/permission/CacheControllerFeature.java b/src/main/java/mpms/permission/CacheControllerFeature.java
index cccdb27918b231738961033739c1fbf87a7065b3..b005b4a52676a41f1dc87f3a8ad4f7611f3174d3 100644
--- a/src/main/java/mpms/permission/CacheControllerFeature.java
+++ b/src/main/java/mpms/permission/CacheControllerFeature.java
@@ -21,4 +21,7 @@ import java.util.*;
 public class CacheControllerFeature {
 
 	private static final Map<ClassFeature, Set<MethodFeature>> FEATURE_MAP = new HashMap<>();
-			}
+
+	private static final Map<String, UrlFeature> URL_FEATURE_MAP = new TreeMap<>();
+
+	}