diff --git a/libs/Game_threads/__init__.py b/libs/Game_threads/__init__.py
index 9d52895..26d0a8f 100644
--- a/libs/Game_threads/__init__.py
+++ b/libs/Game_threads/__init__.py
@@ -3,10 +3,5 @@ writen by shenjackyuanjie
 mail: 3695888@qq.com
 """
 # import folders
-import libs.Game_threads
 
 # import in this forder
-import libs.main
-import libs.loads
-import libs.setup
-import libs.render
diff --git a/libs/Game_threads/orbit_demo.py b/libs/Game_threads/orbit_demo.py
index 22d48c9..9b75580 100644
--- a/libs/Game_threads/orbit_demo.py
+++ b/libs/Game_threads/orbit_demo.py
@@ -7,5 +7,5 @@ import libs
 import threading
 
 class Orbit_demo(threading.Thread):
-    def __init__(self):
+    def __init__(self, threadID, delivery_class):
         pass
\ No newline at end of file
diff --git a/libs/__init__.py b/libs/__init__.py
index 26d0a8f..59d22d8 100644
--- a/libs/__init__.py
+++ b/libs/__init__.py
@@ -3,5 +3,11 @@ writen by shenjackyuanjie
 mail: 3695888@qq.com
 """
 # import folders
+import libs.Game_threads
 
 # import in this forder
+import libs.main
+import libs.loads
+import libs.setup
+import libs.render_thread
+import libs.delivery
diff --git a/libs/delivery.py b/libs/delivery.py
new file mode 100644
index 0000000..d3c5dc1
--- /dev/null
+++ b/libs/delivery.py
@@ -0,0 +1,14 @@
+"""
+writen by shenjackyuanjie
+mail: 3695888@qq.com
+"""
+
+class Delivery:
+    def __init__(self):
+        self.using = False
+        self.ship_info = {}
+        self.planet_system = {}
+        self.main_ship_parts = {}
+        self.this_planet_info = {}
+        self.back_ground_element = {}
+        self.back_ground_image = ""
diff --git a/libs/render.py b/libs/render_thread.py
similarity index 78%
rename from libs/render.py
rename to libs/render_thread.py
index c83ff5c..6930a3e 100644
--- a/libs/render.py
+++ b/libs/render_thread.py
@@ -3,6 +3,7 @@ writen by shenjackyuanjie
 mail: 3695888@qq.com
 """
 
+import libs
 import pyglet
 import threading
 
@@ -11,5 +12,5 @@ from pyglet.window import Window
 from pyglet.resource import image
 
 class RenderThread(threading.Thread):
-    def __init__(self):
+    def __init__(self, threadID, delivery_class):
         pass
\ No newline at end of file