diff --git a/src/platforms/h5/service/api/base/get-browser-info.js b/src/platforms/h5/service/api/base/get-browser-info.js
index 496df1e547f..c0d9374aa4f 100644
--- a/src/platforms/h5/service/api/base/get-browser-info.js
+++ b/src/platforms/h5/service/api/base/get-browser-info.js
@@ -104,7 +104,7 @@ export function getBrowserInfo () {
     model = 'PC'
     osname = 'PC'
     deviceType = 'pc'
-    const osversionFind = ua.match(/\((.+?)\)/)[1]
+    const osversionFind = (ua.match(/\((.+?)\)/) || [])[1] || '';
 
     if (isWindows) {
       osname = 'Windows'