报错

src/less/base/view/drawer.less

@@ -2,5 +2,5 @@
 
 .bi-drawer {
   .box-shadows(-6px 0 16px -8px #00000014, -9px 0 28px #0000000d, -12px 0 48px 16px #00000008);
-  .transition(transform .3s cubic-bezier(.23, 1, .32, 1), box-shadow .3s cubic-bezier(.23, 1, .32, 1));
+  .transitions(transform .3s cubic-bezier(.23, 1, .32, 1), box-shadow .3s cubic-bezier(.23, 1, .32, 1));
 }

src/less/visual.less

@@ -53,6 +53,13 @@
   transition: @transition;
 }
 
+.transitions(@transition1, @transition2) {
+  -webkit-transition: @transition1, @transition2;
+  -moz-transition: @transition1, @transition2;
+  -o-transition: @transition1, @transition2;
+  transition: @transition1, @transition2;
+}
+
 .rotate(@rotate) {
   -webkit-transform: rotate(@rotate);
   -moz-transform: rotate(@rotate);