print("=== 更新投影片 ===")

app.py

@@ -480,7 +480,13 @@ def respond(user_message, df_string_output, chat_history):
     return "", chat_history
 
 def update_slide(direction):
+    global TRANSCRIPTS
     global CURRENT_INDEX
+
+    print("=== 更新投影片 ===")
+    print(f"CURRENT_INDEX: {CURRENT_INDEX}")
+    print(f"TRANSCRIPTS: {TRANSCRIPTS}")
+
     CURRENT_INDEX += direction
     if CURRENT_INDEX < 0:
         CURRENT_INDEX = 0  # 防止索引小于0