diff --git a/dao/dao.go b/dao/dao.go
index ef7f4ef..73568c0 100644
--- a/dao/dao.go
+++ b/dao/dao.go
@@ -78,7 +78,7 @@ func Update(db *sqlx.DB, obj interface{}, fields ...string) (err error) {
 	}
 	sql.WriteString(strings.Join(fieldsStr, ","))
 	sql.WriteString(" WHERE id = ?")
-	for i := 0; i < stype.NumField()-1; i++ {
+	for i := 1; i < stype.NumField(); i++ {
 		if fieldsMap[stype.Field(i).Tag.Get("json")] != "" {
 			if stype.Field(i).Type.String() == "*time.Time" {
 				if direct.Field(i).Interface().(*time.Time) != nil {
@@ -94,6 +94,7 @@ func Update(db *sqlx.DB, obj interface{}, fields ...string) (err error) {
 	if direct.Field(0).Int() == 0 {
 		return err
 	} else {
+		fmt.Println("11111111", direct.Field(0).Int())
 		sqlParams = append(sqlParams, direct.Field(0).Int())
 	}
 	fmt.Println(sql.String())