diff --git a/backend/app.py b/backend/app.py
index e70c770..de4dc07 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -363,6 +363,7 @@ def generate_handwriting():
                 # 保存每张图像到临时目录
                 image_path = os.path.join(temp_dir, f"{i}.png")
                 im.save(image_path)
+                logger.info(f"Image {i} saved successfully")
                 del im  # 释放内存
 
                 if data["preview"] == "true":