transition border未生效，未添加border-style: solid;

pages/CSS/transition/transition.uvue

@@ -181,6 +181,7 @@ export default {
 .transition-border {
   border-width: 5px;
   border-color: brown;
+  border-style: solid;
   transition-property: border-color;
   transition-duration: 1000;
 }