use utf-8 encoding for logging

control_ui.py

@@ -373,7 +373,7 @@ def stop_main(self):
     def update_log_view(self):
         """实时更新日志显示"""
         try:
-            with open('logs/app.log', 'r') as f:
+            with open('logs/app.log', 'r', encoding='utf-8') as f:
                 # 跳转到上次读取位置
                 f.seek(self._log_file_pos)
 

src/utils/logger.py

@@ -28,7 +28,8 @@ def setup_logger():
     file_handler = RotatingFileHandler(
         'logs/app.log',
         maxBytes=1024*1024,  # 1MB
-        backupCount=5
+        backupCount=5,
+        encoding='utf-8'
     )
     file_handler.setFormatter(logging.Formatter(
         '%(asctime)s - %(levelname)s - %(message)s'