diff --git a/nop-auth/nop-auth-service/src/main/java/io/nop/auth/service/sitemap/SiteCacheDataBuilder.java b/nop-auth/nop-auth-service/src/main/java/io/nop/auth/service/sitemap/SiteCacheDataBuilder.java
index e1a669b1818626580c1e25e855e0797121cd5885..cd4bc69e81f8d67ec0ce73a1e3e6f3527cb52592 100644
--- a/nop-auth/nop-auth-service/src/main/java/io/nop/auth/service/sitemap/SiteCacheDataBuilder.java
+++ b/nop-auth/nop-auth-service/src/main/java/io/nop/auth/service/sitemap/SiteCacheDataBuilder.java
@@ -161,7 +161,9 @@ public class SiteCacheDataBuilder {
         for (String resourceId : new HashSet<>(resourceToRoles.keySet())) {
             Set<String> roles = resourceToRoles.get(resourceId);
             SiteResourceBean resource = entryMap.get(resourceId);
-            cascadeResourceToRoles(resource, roles);
+            if (resource != null) {
+               cascadeResourceToRoles(resource, roles);
+            }
         }
 
         Map<String, Set<String>> permissionToRoles = new HashMap<>();