diff --git a/metatable.go b/metatable.go
index 8bf25a8..260cf6e 100644
--- a/metatable.go
+++ b/metatable.go
@@ -149,6 +149,17 @@ func (this *NameMetaTable[T]) Load() {
 	this.RawMetaTable.Load()
 }
 
+func ReadMetaTableField[T string | int | int32 | int64 | float32 | float64](
+	fieldPtr *T, fieldName string, flags *uint64, flagIdx int,
+	kv map[string]interface{}) {
+	if val, ok := kv[fieldName]; ok {
+		if !q5.DuckToSimple(val, fieldPtr) {
+			panic("ReadMetaTableField error")
+		}
+		//*flags = *flags & flagIdx
+	}
+}
+
 func LoadMetaTable(table interface{}) {
 	ele := reflect.ValueOf(table).Elem()
 	for i := 0; i < ele.NumField(); i++ {