diff --git a/erp/dict.go b/erp/dict.go
index 7701f8c..7eebc4c 100644
--- a/erp/dict.go
+++ b/erp/dict.go
@@ -104,3 +104,13 @@ func (d *dict) Delete(ctx context.Context, dictIds []int64) (err error) {
 	err = xClient.Call(ctx, "Delete", dictIds, &reply)
 	return
 }
+
+// FunctionalCurrency @TITLE 本位币
+func (d *dict) FunctionalCurrency(ctx context.Context) (reply DictItem, err error) {
+	xClient, err := client2.GetClient(d)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "FunctionalCurrency", 0, &reply)
+	return
+}