uni-app去除顶部标题样式

• navigationStyle:"custom"

	"pages": [
		{
			"path": "pages/index/index",
			"style": {
				"navigationBarTitleText": "杉莓之恋",
				"navigationStyle":"custom"
			}
		}

• pages数组中第一项表示应用启动页，参考：https://uniapp.dcloud.io/collocation/pages