fix: display variable is not effective

fix 547812162d

app/helper/display.py

@@ -4,6 +4,7 @@ from app.log import logger
 from app.utils.singleton import Singleton
 from app.utils.system import SystemUtils
 
+import os
 
 class DisplayHelper(metaclass=Singleton):
     _display: Display = None
@@ -12,7 +13,7 @@ class DisplayHelper(metaclass=Singleton):
         if not SystemUtils.is_docker():
             return
         try:
-            self._display = Display(visible=False, size=(1024, 768))
+            self._display = Display(visible=False, size=(1024, 768), extra_args=[os.environ['DISPLAY']])
             self._display.start()
         except Exception as err:
             logger.error(f"DisplayHelper init error: {str(err)}")