diff --git a/service-forest/src/main/java/com/lanyuanxiaoyao/service/forest/service/HudiService.java b/service-forest/src/main/java/com/lanyuanxiaoyao/service/forest/service/HudiService.java
index b787bf1..5132eea 100644
--- a/service-forest/src/main/java/com/lanyuanxiaoyao/service/forest/service/HudiService.java
+++ b/service-forest/src/main/java/com/lanyuanxiaoyao/service/forest/service/HudiService.java
@@ -106,5 +106,5 @@ public interface HudiService {
     InputStream download(@Query("root") String root);
 
     @Get("/hdfs/size")
-    String size(@Query("root") String root);
+    Long size(@Query("root") String root);
 }