2026-04-18-00-23-14 - 补充自动帧插入时的占位符边框清除

src/pages/ReportEditor.tsx

@@ -627,6 +627,8 @@ export default function ReportEditor() {
               <img src="${newFrame.dataUrl}" style="max-width: 100%; height: auto; display: block; margin: 0 auto;" draggable="false">
             `;
             emptyPlaceholder.classList.add('has-image');
+            emptyPlaceholder.style.border = 'none';
+            emptyPlaceholder.style.background = 'transparent';
             contentRef.current = editorRef.current.innerHTML;
             saveDraftToStorage();
           }