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 dce2d2f0cb847fb1895ea310449ae3b1b34bbd00..3e0e2e51fa4bb99f29cb9a0e25b0f1bf395b8e4c 100644
--- a/src/platforms/h5/service/api/base/get-browser-info.js
+++ b/src/platforms/h5/service/api/base/get-browser-info.js
@@ -171,7 +171,7 @@ export function getBrowserInfo () {
   var system = `${osname} ${osversion}`
   var platform = osname.toLocaleLowerCase()
 
-  let browserName
+  let browserName = ''
   let browseVersion = String(IEVersion())
   if (browseVersion !== '-1') { browserName = 'IE' } else {
     const browseVendors = ['Version', 'Firefox', 'Chrome', 'Edge{0,1}']