Update app.py

app.py

@@ -4,11 +4,13 @@ import time
 
 # **配置 OpenAI API Key**
 OPENAI_API_KEY = "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"  # 👈 **替换这里！**
-openai.api_key = OPENAI_API_KEY  # 绑定 API Key
+
+# **使用新版本的 OpenAI Client**
+client = openai.OpenAI(api_key=OPENAI_API_KEY)
 
 def generate_task_structure(prompt):
     """
-    生成任务管理计划
+    通过 OpenAI GPT-4o 生成任务管理计划，**支持进度条 & 流式输出**
     """
     
     structured_prompt = f"""
@@ -35,7 +37,7 @@ def generate_task_structure(prompt):
     ]
 
     # **2️⃣ 调用 OpenAI API（流式输出）**
-    response = openai.ChatCompletion.create(
+    response = client.chat.completions.create(
         model="gpt-4o",
         messages=[
             {"role": "system", "content": "你是一个任务管理 AI 助手，帮助用户创建任务计划。"},
@@ -55,10 +57,9 @@ def generate_task_structure(prompt):
     # **4️⃣ 流式输出**
     full_text = ""
     for chunk in response:
-        if "choices" in chunk and len(chunk["choices"]) > 0:
-            text_chunk = chunk["choices"][0]["delta"].get("content", "")
-            full_text += text_chunk
-            yield full_text  # **实时输出**
+        text_chunk = chunk.choices[0].delta.content or ""
+        full_text += text_chunk
+        yield full_text  # **实时输出**
     
     yield "✅ 任务已完成！"