diff --git a/utils/markdown_to_image.py b/utils/markdown_to_image.py
index c20aae0..53e2d13 100644
--- a/utils/markdown_to_image.py
+++ b/utils/markdown_to_image.py
@@ -326,8 +326,8 @@ async def convert_md_str_to_image(md_content: str, output_image: str, max_retrie
     project_root = os.getcwd()
     project_root_path = Path(project_root).resolve()
 
-    # 创建临时目录
-    temp_dir = project_root_path / "temp"
+    # 创建临时目录 - temp/md2image
+    temp_dir = project_root_path / "temp" / "md2image"
     try:
         temp_dir.mkdir(parents=True, exist_ok=True)
     except Exception as e: