每次推送通知都会有一模一样的两条,怎么解决?

操作系统:Android 8.0.0 (小米 6/OPR1.170623.027/App6.02)

WebView:Mozilla/5.0 (Linux; Android 8.0.0; MI 6 Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36