feat: pen.props?.custom?

src/services/utils.ts

@@ -159,7 +159,7 @@ export function checkData(data: Meta2dData) {
   const pens: Pen[] = data.pens || [];
   for (let i = 0; i < pens.length; i++) {
     const pen: any = pens[i];
-    pen.props?.custom.forEach((prop)=>{
+    pen.props?.custom?.forEach((prop)=>{
       if(prop.key?.includes('.')){
         delete pen[prop.key];
       }