feat: 二维码图标替换

src/assets/svg/qrcode.svg

@@ -1 +0,0 @@
-<svg width="40" height="39" xmlns="http://www.w3.org/2000/svg"><g fill="#2E2D2D" fill-rule="evenodd"><path d="M34 39a6 6 0 0 0 6-6v-3.5a1.5 1.5 0 1 0-3 0V33a3 3 0 0 1-3 3H6a3 3 0 0 1-3-3v-3.5a1.5 1.5 0 1 0-3 0V33a6 6 0 0 0 6 6h28M38.5 18a1.5 1.5 0 1 1 0 3h-5a1.5 1.5 0 1 1 0-3h5M26.5 18a1.5 1.5 0 1 1 0 3h-25a1.5 1.5 0 1 1 0-3h25M40 6a6 6 0 0 0-6-6H6a6 6 0 0 0-6 6v3.5a1.5 1.5 0 1 0 3 0V6a3 3 0 0 1 3-3h28a3 3 0 0 1 3 3v3.5a1.5 1.5 0 1 0 3 0V6"/></g></svg>

src/packages/searchbar/demo.vue

@@ -102,6 +102,9 @@ export default {
 </script>
 <style lang="scss" scoped>
 h4{
+  
+  padding: 11px 20px;
+  margin: 0;
   font-size: 15px;
   color: #323232;
 }