diff --git a/config/config.go b/config/config.go
index c397051..892f0e4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -33,6 +33,6 @@ type Bearer struct {
 	UID          string `json:"uid"`
 	Time         int64  `json:"time"`
 	TokenType    string `json:"token_type"`
-	Code         uint   `json:"code"`
+	Code         string `json:"code"`
 	Xid          string `json:"xid"`
 }