diff --git a/metatable.go b/metatable.go
index 517fa73..9ead377 100644
--- a/metatable.go
+++ b/metatable.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"q5"
 	"reflect"
+	"math/rand"
 )
 
 type MetaTable interface {
@@ -56,6 +57,13 @@ func (this *RawMetaTable[T]) PreInit1() {
 func (this *RawMetaTable[T]) PostInit1() {
 }
 
+func (this *RawMetaTable[T]) RandElement() *T {
+	if len(this.rawList) > 0 {
+		return this.rawList[rand.Intn(len(this.rawList))]
+	}
+	return nil
+}
+
 func (this *RawMetaTable[T]) ElementsInit(round int) {
 	type RoundInit1 interface {
 		Init1()