diff --git a/snowy-admin-web/src/style/index.less b/snowy-admin-web/src/style/index.less
index fafd8ca2..b146d7a5 100644
--- a/snowy-admin-web/src/style/index.less
+++ b/snowy-admin-web/src/style/index.less
@@ -36,6 +36,7 @@ a, button, input, textarea {
 .aminui {
 	overflow: hidden;
 	height: 100%;
+	min-height: 640px;
 	display: flex;
 	flex-flow: column;
 }