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 90bf6f82d..ad2ebaa39 100644
--- a/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
+++ b/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
@@ -15,6 +15,16 @@ export type ChatMarkdownMessageProps = {
   streaming?: boolean;
 };
 
+/** 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
+    .split(/(```[\s\S]*?```)/g)
+    .map((part, index) =>
+      index % 2 === 1 ? part : part.replace(/\n{3,}/g, '\n\n'),
+    )
+    .join('');
+}
+
 type MarkdownErrorBoundaryProps = {
   fallbackText: string;
   children: ReactNode;
@@ -76,7 +86,7 @@ function MarkdownUnorderedList({ children }: { children?: ReactNode }) {
     <ListDepthContext.Provider value={depth + 1}>
       {/* 用真正的列表标记（`list-disc`）而不是手写 `'- '` 文本：手写前缀既没有悬挂缩进
           （换行后的第二行会顶回最左边），也不算列表语义（读屏读成普通文本）。 */}
-      <ul className="m-0 mt-1 list-disc space-y-0.5 pl-4 first:mt-0">
+      <ul className="m-0 mt-2 list-disc space-y-1 pl-4 first:mt-0">
         {children}
       </ul>
     </ListDepthContext.Provider>
@@ -95,7 +105,7 @@ function MarkdownOrderedList({
     <ListDepthContext.Provider value={depth + 1}>
       <ol
         start={start}
-        className="m-0 mt-1 list-decimal space-y-0.5 pl-5 first:mt-0"
+        className="m-0 mt-2 list-decimal space-y-1 pl-5 first:mt-0"
       >
         {children}
       </ol>
@@ -111,8 +121,8 @@ function MarkdownParagraph({ children }: { children?: ReactNode }) {
         paragraphPosition === 'first'
           ? 'inline'
           : paragraphPosition === 'continuation'
-            ? 'mt-1'
-            : 'mt-1 first:mt-0'
+            ? 'mt-2'
+            : 'mt-2 first:mt-0'
       }`}
     >
       {children}
@@ -128,8 +138,8 @@ function StreamingMarkdownParagraph({ children }: { children?: ReactNode }) {
         paragraphPosition === 'first'
           ? 'inline'
           : paragraphPosition === 'continuation'
-            ? 'mt-1'
-            : 'mt-1 first:mt-0'
+            ? 'mt-2'
+            : 'mt-2 first:mt-0'
       }`}
     >
       {children}
@@ -265,7 +275,7 @@ export function ChatMarkdownMessage({
           streaming ? streamingMarkdownComponents : markdownComponents
         }
       >
-        {text}
+        {normalizeMarkdownBlankLines(text)}
       </ReactMarkdown>
     </MarkdownErrorBoundary>
   );