diff --git a/g/crypto/gmd5/gmd5.go b/g/crypto/gmd5/gmd5.go
index 34893d7ff..70fd7eec9 100644
--- a/g/crypto/gmd5/gmd5.go
+++ b/g/crypto/gmd5/gmd5.go
@@ -9,7 +9,6 @@ package gmd5
 
 import (
 	"crypto/md5"
-	"errors"
 	"fmt"
 	"github.com/gogf/gf/g/internal/errors"
 	"github.com/gogf/gf/g/util/gconv"