diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..bddfff8
Binary files /dev/null and b/.DS_Store differ
diff --git a/bin/client.py b/bin/client.py
index 494208d..fb1da31 100644
--- a/bin/client.py
+++ b/bin/client.py
@@ -82,8 +82,7 @@ class RenderThread(mp.Process, pyglet.window.Window):
     """
 
     def on_draw(self):
-        if self.view in list:
-            pass
+        pass
 
     def part_draw(self):
         # render parts
diff --git a/sys_value/parts.json5 b/sys_value/parts.json5
index 8ec2327..63e4176 100644
--- a/sys_value/parts.json5
+++ b/sys_value/parts.json5
@@ -13,6 +13,8 @@
       // mass
       'bool',
       // hidden in part list
+      'bool',
+      // hidden in misson (even thought that is not done yet)
       'float'
       // buoyancy(浮力) in the water
     ],
@@ -51,7 +53,7 @@
       0.1
     ],
     [
-      'parts/Beam.png',
+      'hand.png',
       [
         0.0,
         0.0
diff --git a/textures/.DS_Store b/textures/.DS_Store
new file mode 100644
index 0000000..d383ceb
Binary files /dev/null and b/textures/.DS_Store differ