diff --git a/src/components/skin.less b/src/components/skin.less
index 656d9c8..5ecf2ed 100644
--- a/src/components/skin.less
+++ b/src/components/skin.less
@@ -72,7 +72,7 @@ body {
       top: 0;
 
       .ant-modal-body {
-        max-height: 500px;
+        max-height: 80vh;
         overflow-y: auto;
       }
     }