diff --git a/base/res_relation.go b/base/res_relation.go
index dfa31f5..e01ad85 100644
--- a/base/res_relation.go
+++ b/base/res_relation.go
@@ -23,7 +23,7 @@ type GetResRelations func(categoryUuid string) []ResRelation
 type GetOrmJoinsByResRelations func(root string, items []ResRelation) []contracts.Join
 
 // 获取被关联对象的资源
-type GetResRelationResource func(r ResRelation) Resource
+type GetResRelationResource func(r ResRelation) contracts.Resource
 
 // 资源关联依赖
 func GetJoinResDependencies(root string, items []ResRelation) (dependencies []string) {