diff --git a/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java b/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
index d624c1d..274809b 100644
--- a/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
+++ b/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
@@ -52,6 +52,7 @@ public class ResourceController {
         ResourcePaginateFilter filter = new ResourcePaginateFilter();
         filter.setSortAlgo(sortAlgo);
         filter.setSortField(sortField);
+        filter.setType(type);
         if (name != null && name.length() > 0) {
             filter.setName(name);
         }
diff --git a/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
index e839b06..7d51687 100644
--- a/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
@@ -16,6 +16,7 @@ import xyz.playedu.api.service.ResourceVideoService;
 import xyz.playedu.api.service.internal.ResourceCategoryRelationService;
 import xyz.playedu.api.types.paginate.PaginationResult;
 import xyz.playedu.api.types.paginate.ResourcePaginateFilter;
+import xyz.playedu.api.util.HelperUtil;
 
 import java.lang.reflect.Array;
 import java.util.ArrayList;
@@ -56,9 +57,7 @@ public class ResourceServiceImpl extends ServiceImpl<ResourceMapper, Resource> i
         if (filter.getCategoryIds() != null && filter.getCategoryIds().length > 0) {
             List<Integer> ridArray = relationService.getRidsByCids(Arrays.asList(filter.getCategoryIds()));
             if (ridArray == null || ridArray.size() == 0) {
-                ridArray = new ArrayList<>() {{
-                    add(0);
-                }};
+                ridArray = HelperUtil.zeroIntegerList();
             }
             wrapper.in("id", ridArray);
         }