diff --git a/SR-PY.py b/SR-PY.py
index a2f58ae..31ef167 100644
--- a/SR-PY.py
+++ b/SR-PY.py
@@ -4,7 +4,7 @@ mail: 3695888@qq.com
 """
 
 import pyglet
-import libs
+import bin
 import sys
 import os
 
diff --git a/libs/Game_threads/__init__.py b/bin/Game_threads/__init__.py
similarity index 85%
rename from libs/Game_threads/__init__.py
rename to bin/Game_threads/__init__.py
index 26d0a8f..1c10d9b 100644
--- a/libs/Game_threads/__init__.py
+++ b/bin/Game_threads/__init__.py
@@ -5,3 +5,4 @@ mail: 3695888@qq.com
 # import folders
 
 # import in this forder
+import orbit_demo
\ No newline at end of file
diff --git a/libs/Game_threads/orbit_demo.py b/bin/Game_threads/orbit_demo.py
similarity index 100%
rename from libs/Game_threads/orbit_demo.py
rename to bin/Game_threads/orbit_demo.py
diff --git a/bin/__init__.py b/bin/__init__.py
new file mode 100644
index 0000000..2b7ffb1
--- /dev/null
+++ b/bin/__init__.py
@@ -0,0 +1,14 @@
+"""
+writen by shenjackyuanjie
+mail: 3695888@qq.com
+"""
+# import folders
+import Game_threads
+
+# import in this forder
+import main
+import tools
+import client
+import server
+import configs
+import delivery
\ No newline at end of file
diff --git a/libs/client.py b/bin/client.py
similarity index 100%
rename from libs/client.py
rename to bin/client.py
diff --git a/libs/configs.py b/bin/configs.py
similarity index 100%
rename from libs/configs.py
rename to bin/configs.py
diff --git a/libs/delivery.py b/bin/delivery.py
similarity index 100%
rename from libs/delivery.py
rename to bin/delivery.py
diff --git a/libs/main.py b/bin/main.py
similarity index 100%
rename from libs/main.py
rename to bin/main.py
diff --git a/libs/server.py b/bin/server.py
similarity index 100%
rename from libs/server.py
rename to bin/server.py
diff --git a/libs/tools.py b/bin/tools.py
similarity index 100%
rename from libs/tools.py
rename to bin/tools.py
diff --git a/libs/__init__.py b/libs/__init__.py
deleted file mode 100644
index 26d0a8f..0000000
--- a/libs/__init__.py
+++ /dev/null
@@ -1,7 +0,0 @@
-"""
-writen by shenjackyuanjie
-mail: 3695888@qq.com
-"""
-# import folders
-
-# import in this forder
diff --git a/test.py b/test.py
index 55d190e..d06ef0e 100644
--- a/test.py
+++ b/test.py
@@ -3,33 +3,30 @@ writen by shenjackyuanjie
 mail: 3695888@qq.com
 """
 
-import libs
-
+import bin
 
 A = [2.573, 3, ["m", "kg"], ["N", "s"]]
 B = [2.45, -7, ["N", "kg"], ["m", "s"]]
 C = [1.14, 5, ["m"], ["s"]]
 D = [1.419, -4, ["kg"], ["m"]]
 
-print("A = " , A)
-print("B = " , B)
-print("C = " , C)
-print("D = " , D)
+print("A = ", A)
+print("B = ", B)
+print("C = ", C)
+print("D = ", D)
 
-a = libs.P_C.S_N_M(A, B)
-b = libs.P_C.S_N_D(A, B)
-c = libs.P_C.S_N_M(b, B)
-d = libs.P_C.S_N_D(a, B)
+a = bin.tools.S_N_M(A, B)
+b = bin.tools.S_N_D(A, B)
+c = bin.tools.S_N_M(b, B)
+d = bin.tools.S_N_D(a, B)
 
-print("A × B = " , a)
-print("A ÷ B = " , b)
+print("A × B = ", a)
+print("A ÷ B = ", b)
 print("A × B ÷ B = ", c)
 print("A ÷ B × B = ", d)
 
-e = libs.P_C.S_N_M(A, B, C, D)
-f = libs.P_C.S_N_M(A,libs.P_C.S_N_M(B,libs.P_C.S_N_M(C, D)))
+e = bin.tools.S_N_M(A, B, C, D)
+f = bin.tools.S_N_M(A, bin.tools.S_N_M(B, bin.tools.S_N_M(C, D)))
 
-print("A * B * C * D = " , e)
-print("A * B * C * D = " , f)
-
-G = libs.render_thread
\ No newline at end of file
+print("A * B * C * D = ", e)
+print("A * B * C * D = ", f)
diff --git a/test_mutiproser.py b/tests/test_mutiproser.py
similarity index 100%
rename from test_mutiproser.py
rename to tests/test_mutiproser.py
diff --git a/test_speed.py b/tests/test_speed.py
similarity index 100%
rename from test_speed.py
rename to tests/test_speed.py
diff --git a/test_threading.py b/tests/test_threading.py
similarity index 100%
rename from test_threading.py
rename to tests/test_threading.py