diff --git a/simulators/ursina/entities/body_trail.py b/simulators/ursina/entities/body_trail.py
index f4fd60d698af4a58d54b0867f42fab123a6ad9fb..9e6f1419f3637e4e343b5fd570e3e43bf6490782 100644
--- a/simulators/ursina/entities/body_trail.py
+++ b/simulators/ursina/entities/body_trail.py
@@ -30,6 +30,7 @@ class BodyTrail(Entity):
             model='sphere',
             collider='sphere',
             ignore_paused=True,
+            # highlight_color=color.red,  # Button 有效
             **kwargs
         )
 
diff --git a/simulators/ursina/ui/control_handler.py b/simulators/ursina/ui/control_handler.py
index 274122beb1de7c8c5bf2ca1cd762aaafdfd13df7..3c05b9443b2566ccd07e121e6079d5dc2db82c00 100644
--- a/simulators/ursina/ui/control_handler.py
+++ b/simulators/ursina/ui/control_handler.py
@@ -210,6 +210,24 @@ class ControlHandler(EventHandler):
     def on_slider_run_speed_changed(self):
         UrsinaConfig.run_speed_factor = self.ui.slider_run_speed_factor.value
 
+    def shift_key_handle(self, key):
+        """
+        用于判断是否按下 shift 键盘
+        @param key:
+        @return:
+        """
+        if not hasattr(self, "shift_keys"):
+            self.shift_keys = {"right": False, "left": False}
+        if key in ["right shift hold", "left shift hold"]:
+            kv = key.split(" ")
+            self.shift_keys[kv[0]] = True
+        elif key in ["right shift up", "left shift up"]:
+            kv = key.split(" ")
+            self.shift_keys[kv[0]] = False
+
+        print(self.shift_keys)
+        return self.shift_keys['left'] or self.shift_keys['right']
+
     def settings_handler_input(self, key):
         """
 
@@ -218,10 +236,13 @@ class ControlHandler(EventHandler):
         """
         import sys
 
-        self.camera_update()
+        self.shift_key_handle(key)
 
+        self.camera_update()
+        print(key)
         if key == "escape":
-            sys.exit()
+            if self.shift_keys['left'] or self.shift_keys['right']:
+                sys.exit()
         # print(key)
         elif key == 'space':
             self.ui.enabled = not self.ui.enabled
diff --git a/simulators/ursina_simulator.py b/simulators/ursina_simulator.py
index 6300fbc9d4bed932a8b35d42a30ff31a98fa56ed..2ba408bbb05c24d1353fb02ad65eae4573d41833 100644
--- a/simulators/ursina_simulator.py
+++ b/simulators/ursina_simulator.py
@@ -232,7 +232,11 @@ class UrsinaSimulator(Simulator):
         camera.fov = 60
 
         window.fps_counter.enabled = False
-        window.editor_ui.enabled = True
+        window.editor_ui.enabled = False
+
+        # # 场景加入雾的效果
+        # scene.fog_color = color.orange
+        # scene.fog_density = 800 * UrsinaConfig.SCALE_FACTOR
 
         # UrsinaConfig.SCALE_FACTOR = UrsinaConfig.SCALE_FACTOR * math.ceil(0.01 / pow(camera.clip_plane_near,2))