Update app.py

app.py

@@ -16,7 +16,7 @@ def build_pair_list():
     ])
     pairs = []
     for folder in subfolders:
-        for _ in range(2):  # 每个文件夹配对两次
+        for _ in range(1):  # 每个文件夹配对两次
             if random.random() < 0.5:
                 pairs.append((MAIN_FOLDER, folder))
             else:
@@ -46,7 +46,7 @@ def init_evaluation():
     meta_a = {"model": folder_a, "path": path_a}
     meta_b = {"model": folder_b, "path": path_b}
     total = len(pairs)
-    progress_text = f"Group 1 / {total} "
+    progress_text = f"For a better listening experience, we recommend wearing headphones during the study. \n To ensure the rigor of the experiment, please listen to at least the first 2 minutes of each song before making your evaluation. \n The entire study is expected to take approximately 20–30 minutes, and you will listen to 5 pairs of songs, 10 songs in total. \n\n Group 1 / {total} "
     return path_a, path_b, meta_a, meta_b, pairs, index, progress_text
 
 
@@ -146,7 +146,7 @@ def submit_evaluation(preference, a_harm, a_nat, a_crea, a_mus,
             path_a, path_b,
             new_meta_a, new_meta_b,
             pairs, next_index,
-            f"Group {next_index + 1} / {total} ",
+            f"For a better listening experience, we recommend wearing headphones during the study. \n To ensure the rigor of the experiment, please listen to at least the first 2 minutes of each song before making your evaluation. \n The entire study is expected to take approximately 20–30 minutes, and you will listen to 5 pairs of songs, 10 songs in total. \n\n Group {next_index + 1} / {total} ",
             status_msg,
             gr.update(visible=False),
             gr.update(interactive=True),