diff --git a/service/admin/site.go b/service/admin/site.go
index 98eb235..26e03ae 100644
--- a/service/admin/site.go
+++ b/service/admin/site.go
@@ -183,7 +183,7 @@ func (s *SummaryService) Summary(c *gin.Context) (*HomepageSummary, error) {
 				Name:  policy.Name,
 				Type:  policy.Type,
 				Used:  int64(usedSpace),
-				Total: policy.MaxSize, // 使用策略的最大空间限制
+				Total: int64(policy.MaxSize), // 确保类型一致
 			})
 		}
 	}