diff --git a/pkg/mcclient/options/base.go b/pkg/mcclient/options/base.go
index 5480be1395..eafefcceec 100644
--- a/pkg/mcclient/options/base.go
+++ b/pkg/mcclient/options/base.go
@@ -3,6 +3,7 @@ package options
 import (
 	"fmt"
 	"reflect"
+	"time"
 
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/pkg/gotypes"
@@ -88,6 +89,11 @@ func optionsStructRvToParams(rv reflect.Value) (*jsonutils.JSONDict, error) {
 			if ft.Anonymous {
 				continue
 			}
+			if f.Type() == gotypes.TimeType {
+				t := f.Interface().(time.Time)
+				p.Set(name, jsonutils.NewTimeString(t))
+				continue
+			}
 			// TODO
 			msg := fmt.Sprintf("do not know what to do with non-anonymous struct field: %s", ft.Name)
 			panic(msg)