From 7fec1aa9fdb314d17961b8ce75e8718e5a6fca92 Mon Sep 17 00:00:00 2001
From: Chen Xiao <abigwc@gmail.com>
Date: Wed, 13 May 2026 14:23:47 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=85=AC=E5=BC=8F=E5=9D=97?=
 =?UTF-8?q?=E6=98=BE=E7=A4=BA=E4=B8=8D=E6=AD=A3=E7=A1=AE=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Chen Xiao <abigwc@gmail.com>
---
 client/src/pages/MD2Doc.jsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/client/src/pages/MD2Doc.jsx b/client/src/pages/MD2Doc.jsx
index 7c73013..8c12e27 100644
--- a/client/src/pages/MD2Doc.jsx
+++ b/client/src/pages/MD2Doc.jsx
@@ -372,7 +372,9 @@ export default function MD2Doc() {
     result = result.replace(/\\\(|\\\)/g, '$');
 
     // 步骤4：\[ ... \] → $$ ... $$
-    result = result.replace(/\\\[|\\\]/g, '$$');
+    // 注意：在 JS 的 replace 中，'$$' 是特殊转义序列（表示插入字面量 '$'），
+    // 必须写成 '$$$$' 才能正确替换为两个 $ 符号
+    result = result.replace(/\\\[|\\\]/g, '$$$$');
 
     return result;
   };