Update app.py

app.py

@@ -15,7 +15,7 @@ def process_text(file):
     target_path = f"{filename}.csv"  # 目标路径
     
     # 读取文件内容
-    with open(file, 'r', 'utf-8') as f:
+    with open(file, 'r', encoding='utf-8') as f:
         lines = f.readlines()
         data = []
         for line in lines: