fix

src/labelRenderer.ts

@@ -588,7 +588,10 @@ export type ReferenceBackgroundRenderOptions = Pick<
 
 type ReferenceBackgroundTemplate = Pick<
   LabelTemplate,
-  'previewReferenceBackground' | 'previewReferenceBackgroundOpacity' | 'previewReferenceBackgroundFit'
+  | 'previewReferenceBackground'
+  | 'previewReferenceBackgroundOpacity'
+  | 'previewReferenceBackgroundFit'
+  | 'enablePreviewReferenceBackground'
 >;
 
 function buildReferenceBackgroundRenderOptions(
@@ -597,6 +600,9 @@ function buildReferenceBackgroundRenderOptions(
   if (!template.previewReferenceBackground) {
     return {};
   }
+  if (template.enablePreviewReferenceBackground === false) {
+    return {};
+  }
   return {
     referenceBackground: template.previewReferenceBackground,
     referenceBackgroundOpacity: template.previewReferenceBackgroundOpacity ?? 100,
@@ -604,7 +610,7 @@ function buildReferenceBackgroundRenderOptions(
   };
 }
 
-/** 模板列表 / 设计预览等：有参考图即绘制 */
+/** 模板列表 / 设计预览等：参考图且启用预览时绘制 */
 export function resolveReferenceBackgroundForPreview(
   template: ReferenceBackgroundTemplate
 ): ReferenceBackgroundRenderOptions {
@@ -619,7 +625,14 @@ export function resolveReferenceBackgroundForOutput(
   if (!template.includeReferenceBackgroundInOutput) {
     return {};
   }
-  return buildReferenceBackgroundRenderOptions(template);
+  if (!template.previewReferenceBackground) {
+    return {};
+  }
+  return {
+    referenceBackground: template.previewReferenceBackground,
+    referenceBackgroundOpacity: template.previewReferenceBackgroundOpacity ?? 100,
+    referenceBackgroundFit: template.previewReferenceBackgroundFit ?? 'cover',
+  };
 }
 
 /** 离屏渲染标签为 PNG data URL */