diff --git a/app/services/ai_rewriter.py b/app/services/ai_rewriter.py
index 61e3bc3..066ecfd 100644
--- a/app/services/ai_rewriter.py
+++ b/app/services/ai_rewriter.py
@@ -837,4 +837,5 @@ class AIRewriter:
             else:
                 out.append("　　" + seg.lstrip())
 
-        return "\n\n".join(out).strip() + "\n"
+        # 不能用 .strip()，否则会把首段的全角缩进「　　」去掉
+        return "\n\n".join(out).rstrip() + "\n"