fix: 权限设置样式优化

src/modules/roles/components/Permissions.vue

@@ -15,7 +15,9 @@
         </div>
       </el-form-item>
       <el-form-item label="课程列表">
-        <el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange"> 全选 </el-checkbox>
+        <el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange">
+          全选
+        </el-checkbox>
         <el-checkbox-group v-model="form.course_ids">
           <div v-for="item in courses" :key="item.id">
             <el-checkbox :label="item.id">{{ item.course_name }}</el-checkbox>
@@ -196,4 +198,8 @@ export default {
 }
 </script>
 
-<style></style>
+<style>
+.el-cascader-panel {
+  overflow-x: auto;
+}
+</style>