diff --git a/server/api/facade/src/main/java/com/antgroup/openspg/server/api/facade/dto/service/response/PageRankScoreInstance.java b/server/api/facade/src/main/java/com/antgroup/openspg/server/api/facade/dto/service/response/PageRankScoreInstance.java
index d847a8a2..c69719c8 100644
--- a/server/api/facade/src/main/java/com/antgroup/openspg/server/api/facade/dto/service/response/PageRankScoreInstance.java
+++ b/server/api/facade/src/main/java/com/antgroup/openspg/server/api/facade/dto/service/response/PageRankScoreInstance.java
@@ -13,6 +13,7 @@
 
 package com.antgroup.openspg.server.api.facade.dto.service.response;
 
+import java.util.Map;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;