diff --git a/change_app.py b/change_app.py
index 20f85e2..b28696d 100644
--- a/change_app.py
+++ b/change_app.py
@@ -540,7 +540,10 @@ def process_change_cloth(human_filename, cloth_filename, output_format, img_url,
     if no2:
         out_human_https_url = human_url
     else:
-        out_human_image = Image.open(f'{APP_ROOT}/../output/{out_human_name}')
+        if os.path.exists(f'{APP_ROOT}/../output/{out_human_name}'):
+            out_human_image = Image.open(f'{APP_ROOT}/../output/{out_human_name}')
+        else:
+            out_human_image = Image.open(f'{APP_ROOT}/../input/{out_human_name}')
         out_human_jpg_name = out_human_name.replace(".png", ".jpg")
         out_human_jpg_path_name = f'{APP_ROOT}/static/imgs/{out_human_jpg_name}'
         out_human_image.save(out_human_jpg_path_name, quality=90)
@@ -648,8 +651,10 @@ def do_change_cloth():
     tuodi = data['tuodi']
     print(f"tuodi:{tuodi}")
 
-    kuzi = data['kuzi']
-    print(f"kuzi:{kuzi}")
+    kuzi = False
+    if 'kuzi' in data:
+        kuzi = data['kuzi']
+        print(f"kuzi:{kuzi}")
 
     try:
         return process_change_cloth(human_filename, cloth_filename, output_format, cloth_url, human_url, no2, tuodi, kuzi)