diff --git a/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx b/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
index 72cd5b777..d743dc2c2 100644
--- a/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
+++ b/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
@@ -18,6 +18,7 @@ export type ChatMarkdownMessageProps = {
 /** 只压缩普通 Markdown 正文里多余的空行；代码块中的换行必须原样保留。 */
 function normalizeMarkdownBlankLines(text: string) {
   return text
+    .replace(/\r\n?/g, '\n')
     .split(/(```[\s\S]*?```)/g)
     .map((part, index) =>
       index % 2 === 1