fix(code): 修正代码错误及不严谨的地方

components/mescroll/mescroll-body.vue

@@ -291,7 +291,7 @@ export default {
 };
 </script>
 
-<style lang="scss">
+<style>
 @import './mescroll-body.css';
 @import './components/mescroll-down.css';
 @import './components/mescroll-up.css';