fix: 更换选择模板页面系统模板的图标

src/views/selectTemplate/Index.vue

@@ -17,7 +17,7 @@
           >
             <van-image
               class="thumb"
-              :src="folder.folder_img_url"
+              :src="folder.folder_simg_url"
               fit="contain"
             ></van-image>
             <div class="title">{{ folder.folder_name }}</div>
@@ -220,7 +220,7 @@ export default class SelectTemplate extends Mixins(IndexMixin) {
     .system-item {
       flex-basis: 25%;
       .thumb {
-        height: 30px;
+        height: 34px;
       }
       .title {
         margin-top: 7px;