diff --git a/build.sh b/build.sh
index 5a7d0d666ef..18a30e633c2 100644
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,7 @@ if [ "$1" = "dev" ]; then
   version="dev"
   webVersion="dev"
 else
+  git tag -d beta
   version=$(git describe --abbrev=0 --tags)
   webVersion=$(wget -qO- -t1 -T2 "https://api.github.com/repos/alist-org/alist-web/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
 fi
diff --git a/drivers/115/util.go b/drivers/115/util.go
index d88a9ce6381..992502c42c1 100644
--- a/drivers/115/util.go
+++ b/drivers/115/util.go
@@ -26,7 +26,7 @@ import (
 	"github.com/pkg/errors"
 )
 
-var UserAgent = driver115.UA115Desktop
+var UserAgent = driver115.UA115Browser
 
 func (d *Pan115) login() error {
 	var err error