update

src/components/select/SelectCourse.vue

@@ -2,7 +2,7 @@
   <el-dialog
     class="select-course"
     :visible="dialogVisible"
-    width="1000px"
+    width="1100px"
     title="添加课件"
     @close="dialogClose"
   >
@@ -141,7 +141,7 @@ export default {
     height: calc(100% - 36px);
 
     &-tree {
-      flex: 3;
+      flex: 2.8;
       height: 100%;
       overflow: auto;
       padding: 0 4px 0 8px;