diff --git a/src/pages/ReportEditor.tsx b/src/pages/ReportEditor.tsx
index 3744034..77340c9 100644
--- a/src/pages/ReportEditor.tsx
+++ b/src/pages/ReportEditor.tsx
@@ -2887,7 +2887,9 @@ export default function ReportEditor() {
                   <div className="flex-1 flex flex-col bg-white border border-red-200 rounded-xl overflow-hidden shadow-sm">
                     <div className="bg-red-50 px-3 py-2 text-xs font-bold text-red-600 border-b border-red-100 uppercase tracking-wider">原始版本</div>
                     <div className="p-4 flex-1 overflow-y-auto opacity-70 cursor-not-allowed custom-scrollbar"
-                      dangerouslySetInnerHTML={{ __html: leftDiffHtml }}></div>
+                      dangerouslySetInnerHTML={{ __html: leftDiffHtml }}
+                      style={{ fontFamily: 'SimSun, "Microsoft YaHei", serif', fontSize: '12pt', lineHeight: '1.5' }}
+                    ></div>
                   </div>
                   <div className="flex-1 flex flex-col bg-white border border-green-400 rounded-xl overflow-hidden shadow-md relative">
                     <div className="bg-green-50 px-3 py-2 text-xs font-bold text-green-700 border-b border-green-200 uppercase tracking-wider flex justify-between">