feat:点击按钮

pages/index.vue

@@ -173,7 +173,7 @@
         立即申请试用
       </n-button>
       <br> -->
-      <van-button type="primary">立即申请试用</van-button>
+      <van-button type="primary" @click="btn">立即申请试用</van-button>
     </div>
     <div>