chore: prettier all demos

src/radio/demo/index.vue

@@ -30,8 +30,12 @@
 
     <demo-block :title="$t('customColor')">
       <van-radio-group v-model="radio3" class="demo-radio-group">
-        <van-radio name="1" checked-color="#07c160">{{ $t('radio') }} 1</van-radio>
-        <van-radio name="2" checked-color="#07c160">{{ $t('radio') }} 2</van-radio>
+        <van-radio name="1" checked-color="#07c160">
+          {{ $t('radio') }} 1
+        </van-radio>
+        <van-radio name="2" checked-color="#07c160">
+          {{ $t('radio') }} 2
+        </van-radio>
       </van-radio-group>
     </demo-block>
 
@@ -125,7 +129,7 @@ export default {
 </script>
 
 <style lang="less">
-@import "../../style/var";
+@import '../../style/var';
 
 .demo-radio {
   background: @white;

src/radio/test/__snapshots__/demo.spec.js.snap

@@ -54,11 +54,15 @@ exports[`renders demo correctly 1`] = `
     <div role="radiogroup" class="demo-radio-group van-radio-group">
       <div role="radio" tabindex="0" aria-checked="true" class="van-radio">
         <div class="van-radio__icon van-radio__icon--round van-radio__icon--checked"><i class="van-icon van-icon-success" style="border-color: #07c160; background-color: rgb(7, 193, 96);">
-            <!----></i></div><span class="van-radio__label">单选框 1</span>
+            <!----></i></div><span class="van-radio__label">
+        单选框 1
+      </span>
       </div>
       <div role="radio" tabindex="-1" aria-checked="false" class="van-radio">
         <div class="van-radio__icon van-radio__icon--round"><i class="van-icon van-icon-success">
-            <!----></i></div><span class="van-radio__label">单选框 2</span>
+            <!----></i></div><span class="van-radio__label">
+        单选框 2
+      </span>
       </div>
     </div>
   </div>