fix: update favicon and color style

更新 icon 和颜色样式

assets/css/app.css

@@ -140,6 +140,10 @@ section {
   margin-bottom: 0 !important;
 }
 
+.el-tooltip {
+  cursor: pointer;
+}
+
 /*wechat code block*/
 .rich_media_content .code-snippet *, .rich_media_content .code-snippet__fix * {
   max-width: 1000% !important;

assets/scripts/editor.js

@@ -182,6 +182,8 @@ let app = new Vue({
       this.$confirm('此操作将丢失本地缓存的文本和自定义样式，是否继续?', '提示', {
         confirmButtonText: '确定',
         cancelButtonText: '取消',
+        confirmButtonClass: 'el-button--success',
+        cancelButtonClass: 'el-button--success is-plain',
         type: 'warning',
         center: true
       }).then(() => {