背景报错

src/component/Canvas/CanvasEditor/commands/BackgroundCommands.js

@@ -207,7 +207,8 @@ export class BackgroundSizeCommand extends Command {
     this.bgLayer = this.layers.value.find((layer) => layer.isBackground);
 
     // 记录原尺寸
-    this.backgroundObject = findObjectById(this.canvas, this.bgLayer.fabricObject.id).object;
+	this.bgId = this.bgLayer.fabricObject?.id || this.bgLayer.fabricObjects?.[0]?.id;
+    this.backgroundObject = findObjectById(this.canvas, this.bgId).object;
 
     this.oldWidth = this.backgroundObject.width;
     this.oldHeight = this.backgroundObject.height;

src/component/Canvas/CanvasEditor/components/LayersPanel/LayersList.vue

@@ -242,7 +242,7 @@ const canDeleteComputed = computed(() => {
     return parentLayer?.children?.length > 1;
   }
   // 否则直接返回根图层的可删除状态
-  return props.layers.length > 3;
+  return true;
 });
 </script>
 

src/component/Canvas/CanvasEditor/components/LayersPanel/LayersPanel.vue

@@ -414,14 +414,14 @@ function deleteSelectedLayers() {
   }
 
   // 检查删除后是否还有足够的普通图层
-  const remainingNormalLayers = layers.value.filter(
-    (layer) => !layer.isBackground && !layer.isFixed && !selectedLayerIds.value.includes(layer.id)
-  ).length;
+//   const remainingNormalLayers = layers.value.filter(
+//     (layer) => !layer.isBackground && !layer.isFixed && !selectedLayerIds.value.includes(layer.id)
+//   ).length;
 
-  if (remainingNormalLayers < 1) {
-    console.warn("不能删除所有普通图层");
-    return;
-  }
+//   if (remainingNormalLayers < 1) {
+//     console.warn("不能删除所有普通图层");
+//     return;
+//   }
 
   // 确认删除
   if (selectedLayers.length > 1) {
@@ -876,13 +876,15 @@ function toggleSelectedLayersVisibility() {
 
 function canDeleteLayers() {
   const selectedLayers = getSelectedLayers();
+  console.log(selectedLayers);
   if (selectedLayers.length === 0) return false;
-
   // 检查是否包含不能删除的图层
   const undeletableLayers = selectedLayers.filter((layer) => layer.isBackground || layer.isFixed);
 
   if (undeletableLayers.length > 0) return false;
 
+  return true
+
   // 检查删除后是否还有足够的普通图层
   const remainingNormalLayers = layers.value.filter(
     (layer) => !layer.isBackground && !layer.isFixed && !selectedLayerIds.value.includes(layer.id)