Merge branch 'hjw-el-form' into 'master'

hjw-el-form 加样式

See merge request spfm/spfm-market-front!356

src/components/el-form.vue

@@ -147,5 +147,9 @@ export default {
 };
 </script>
 
-<style>
+<style lang="scss" scoped>
+.btn{
+  display: flex;
+  justify-content: center;
+}
 </style>