fix:penAdd

src/views/components/View.vue

@@ -1425,7 +1425,9 @@ const onPencil = () => {
 }
 const penAdd = (pen:Pen)=>{
   // 画布新增一个pen，就需要根据当前主题调用setTheme
-  pen[0].setTheme && pen[0].setTheme(pen[0],meta2d.store.styles);
+  if(meta2d.store.data.theme){
+    pen[0].setTheme && pen[0].setTheme(pen[0],meta2d.store.styles);
+  }
 }
 const lineAdd = (pens: Pen[]) => {
   if (pens.length === 1 && pens[0].name === 'line') {