Update app.py

app.py

@@ -551,7 +551,7 @@ class Reader:
                 ) or 'approach' in parse_key.lower():
                     method_key = parse_key
                     break
-
+            # 找不到method的部分
             if method_key != '':
                 text = ''
                 method_text = ''
@@ -563,6 +563,7 @@ class Reader:
                 chat_method_text, utoken2, ctoken2, ttoken2 = self.chat_method(
                     text=text)
             else:
+                utoken2, ctoken2, ttoken2 = 0, 0, 0
                 chat_method_text = ''
             htmls.append(chat_method_text)
             htmls.append("\n")