diff --git a/CreateEnvironment.sh b/CreateEnvironment.sh
index 5fb594a..4ecb966 100755
--- a/CreateEnvironment.sh
+++ b/CreateEnvironment.sh
@@ -11,7 +11,10 @@ cd /home/300tc
 #timedatectl | grep Time
 timedatectl set-timezone "Asia/Shanghai"
 
-#  
+# 
+sudo mv /etc/apt/sources.list /etc/apt/sources.list.back
+sudo cp /home/pi/tc_ShellScripts/sources.list /etc/apt/sources.list
+
 sudo apt update
 sudo apt-get -y install build-essential
 sudo apt -y install gdb
@@ -32,7 +35,8 @@ sudo ln -sf /usr/local/bin/cmake  /usr/bin/cmake
 
 # create_ap
 cd /home/300tc/library_source
-sudo git clone https://github.com/oblique/create_ap.git
+#sudo git clone https://github.com/oblique/create_ap.git
+sudo git clone http://106.75.72.40:3000/tangchao0503/create_ap.git
 cd create_ap
 sudo make install
 sudo apt-get -y install util-linux procps hostapd iproute2 iw haveged dnsmasq iptables
@@ -43,6 +47,12 @@ sudo sed -i 's/PASSPHRASE=.*/PASSPHRASE=123456789/g' /etc/create_ap.conf
 
 sudo systemctl enable create_ap.service
 
+# create eth1 in order to OS identification the network interface
+cp /etc/network/interfaces.d/eth0 /etc/network/interfaces.d/eth1
+sudo sed -i 's/auto eth0.*/auto eth1/g' /etc/network/interfaces.d/eth1
+sudo sed -i 's/allow-hotplug eth0.*/allow-hotplug eth1/g' /etc/network/interfaces.d/eth1
+sudo sed -i 's/iface eth0 inet dhcp.*/iface eth1 inet dhcp/g' /etc/network/interfaces.d/eth1
+
 # dhcp
 sudo apt install -y isc-dhcp-server
 sudo sed -i 's/INTERFACESv4=""*/INTERFACESv4="eth0"/g' /etc/default/isc-dhcp-server
@@ -162,14 +172,14 @@ sudo sed -i '$a\/home/300tc/library/ffmpeg_build/lib/' /etc/ld.so.conf
 sudo ldconfig
 
 # psdk
-cd /home/300tc/projects
-
 sudo apt -y install unzip
-sudo unzip Payload_SDK_V2.2.1-build.315.zip
-sudo mv Payload_SDK_V2.2.1-build.315 Payload_SDK_V2.2.1_300tc #修改文件夹名
+#sudo unzip Payload_SDK_V2.2.1-build.315.zip
+#sudo mv Payload_SDK_V2.2.1-build.315 Payload_SDK_V2.2.1_300tc
 
-sudo mkdir /home/300tc/projects/psdk
-cd /home/300tc/projects/psdk 
-sudo cmake /home/300tc/projects_source/Payload_SDK_V2.2.1_300tc/sample/platform/linux/manifold2/project
+cd /home/300tc/projects_source/
+sudo git clone http://106.75.72.40:3000/tangchao0503/Payload_SDK_V2.2.1_300tc.git
+sudo mkdir /home/300tc/projects_source/Payload_SDK_V2.2.1_300tc/sample/platform/linux/manifold2/project/build/
+cd  /home/300tc/projects_source/Payload_SDK_V2.2.1_300tc/sample/platform/linux/manifold2/project/build/
+sudo cmake ..
 sudo make
 
diff --git a/sources.list b/sources.list
new file mode 100644
index 0000000..5af1fcb
--- /dev/null
+++ b/sources.list
@@ -0,0 +1,11 @@
+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal main restricted universe multiverse
+# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal main restricted universe multiverse
+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-updates main restricted universe multiverse
+# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-updates main restricted universe multiverse
+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-backports main restricted universe multiverse
+# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-backports main restricted universe multiverse
+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-security main restricted universe multiverse
+# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-security main restricted universe multiverse
+ 
+# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-proposed main restricted universe multiverse
+# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ focal-proposed main restricted universe multiverse