Update key

app.py

@@ -15,14 +15,14 @@ class ChatgptAPI:
         )
         '''
         self.client=OpenAI(
-            api_key="sk-99f10c5ab8da406b90dd389e04218d09",  # �滻����ʵDashScope��API_KEY
+            api_key=os.environ.get("TONGYI_API_KEY"),  # �滻����ʵDashScope��API_KEY
             base_url="https://dashscope.aliyuncs.com/compatible-mode/v1",  # ��дDashScopebase_url
         )  
         
         
     def get_summary(self, file_path):
         file = self.client.files.create(file=Path(file_path), purpose="file-extract")
-        completion = client.chat.completions.create(
+        completion = self.client.chat.completions.create(
             model="qwen-long",
             messages=[
                 {