diff --git a/www/form/app-form.less b/www/form/app-form.less
index c9e77e64b..00fdfafb2 100644
--- a/www/form/app-form.less
+++ b/www/form/app-form.less
@@ -1011,7 +1011,6 @@
                     min-width: 300px;
                     width: 300px;
                     position: absolute;
-                    left: 20px;
                     word-break: break-word;
                     background: @cp_form-bg1;
                     z-index: 2;