目录

src/views/courseView.vue

@@ -551,11 +551,14 @@ export default {
         height: 100%;
       }
       &-unfold {
-        width: 20px;
+        width: 40px;
         height: 50px;
         border: none;
         overflow: hidden;
         background: none;
+        > div {
+          text-align: left !important;
+        }
       }
     }
     .content-tree-full {