检测OS的位数 32/64bit

src/features/Login/Login.vue

@@ -148,6 +148,15 @@ export default {
     await this.checkNewVersion();
   },
   async created() {
+    if (
+      navigator.userAgent.indexOf("WOW64") != -1 ||
+      navigator.userAgent.indexOf("Win64") != -1
+    ) {
+      window._hmt.push(["_trackEvent", "登录页面", "64Bit OS"]);
+    } else {
+      window._hmt.push(["_trackEvent", "登录页面", "非64Bit OS"]);
+    }
+
     if (this.LOGIN_ID_DOMAINS.includes(this.schoolDomain)) {
       this.loginType = "STUDENT_IDENTITY_NUMBER";
     }