Update app.py

app.py

@@ -434,11 +434,14 @@ def predict(message, history):
         else:
             user_profile[key] = message.strip()
 
-    if current_q_index < len(questions):
+    if current_q_index < len(questions)and not in_forward_flow and not in_backward_flow:
         nxt = questions[current_q_index][1]
         current_q_index += 1
         return nxt
 
+  
+
+
     # ======================== 分模式处理 =========================
     mode = user_profile.get("mode") or ""