diff --git a/algo/qmc/qmmac/v10_darwin.go b/algo/qmc/qmmac/v10_darwin.go
index f31cda0..d3ddd2d 100644
--- a/algo/qmc/qmmac/v10_darwin.go
+++ b/algo/qmc/qmmac/v10_darwin.go
@@ -14,7 +14,7 @@ import (
 	"go.uber.org/zap"
 )
 
-var _RE_UDID_V10 = regexp.MustCompile(`_\x10\(([0-9a-f]{40}`)
+var _RE_UDID_V10 = regexp.MustCompile(`_\x10\(([0-9a-f]{40})`)
 
 type QQMusicMacV10 struct {
 	logger   *zap.Logger