diff --git a/helpers.go b/helpers.go
index d8268737..979a67a1 100644
--- a/helpers.go
+++ b/helpers.go
@@ -134,7 +134,7 @@ func reflect2value(rawValue *reflect.Value) (str string, err error) {
 	//时间类型
 	case reflect.Struct:
 		if aa.ConvertibleTo(core.TimeType) {
-			str = rawValue.Convert(core.TimeType).Interface().(time.Time).Format(time.RFC3339Nano)
+			str = vv.Convert(core.TimeType).Interface().(time.Time).Format(time.RFC3339Nano)
 		} else {
 			err = fmt.Errorf("Unsupported struct type %v", vv.Type().Name())
 		}