fix: 画布新增pen，需要根据当前画布主题调用setTheme

src/views/components/View.vue

@@ -979,6 +979,7 @@ onMounted(() => {
   meta2d.on('fit',fit);
   meta2d.on('scale', scaleSubscriber);
   meta2d.on('add', lineAdd);
+  meta2d.on('add', penAdd);
   meta2d.on('opened', openedListener);
 
   meta2d.on('undo', patchFlag);
@@ -1008,6 +1009,7 @@ onUnmounted(()=>{
   meta2d.off('fit',fit);
   meta2d.off('scale', scaleSubscriber);
   meta2d.off('add', lineAdd);
+  meta2d.off('add', penAdd);
   meta2d.off('opened', openedListener);
 
   meta2d.off('undo', patchFlag);
@@ -1412,7 +1414,10 @@ const onPencil = () => {
   }
   pencil.value = meta2d.canvas.pencil;
 }
-
+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);
+}
 const lineAdd = (pens: Pen[]) => {
   if (pens.length === 1 && pens[0].name === 'line') {
     //连线类型