diff --git a/sao/src/sao.less b/sao/src/sao.less
index 1ff263e247..8139510f67 100644
--- a/sao/src/sao.less
+++ b/sao/src/sao.less
@@ -633,6 +633,8 @@ img.icon {
     width: 100%;
     .form-container, .form-hcontainer, .form-vcontainer {
         display: grid;
+        width: 100%;
+        height: 100%;
     }
     .form-item {
         display: flex;