[edit] set mid

pages/index.vue

@@ -606,6 +606,7 @@ export default {
 
 		document.documentElement.style.fontSize = '62.5%'
 		if (this.isMobile()) {
+			this.setCookieMid();
 			Report.reportLog({
 				baseInfo: {
 					appVersionCode: this.appVersionCode,