diff --git a/CreateEnvironment.sh b/CreateEnvironment.sh
index 6b4edfa..7f14eb2 100755
--- a/CreateEnvironment.sh
+++ b/CreateEnvironment.sh
@@ -39,7 +39,7 @@ cd /home/300tc/library_source
 #sudo make -j5
 
 # Installation Mode 2
-cp /home/pi/tc_ShellScripts/binary/cmake_binary.tar.bz2 /home/300tc/library_source
+sudo wget -P /home/300tc/library_source http://172.16.0.251/tangchao/cmake_binary.tar.bz2
 tar -jxvf cmake_binary.tar.bz2
 cd cmake-3.17.3
 
@@ -161,7 +161,7 @@ sudo ln -sv $path /usr/lib/libirisXimeaImager.so
 
 # libconfig
 cd /home/300tc/library_source
-sudo wget https://hyperrealm.github.io/libconfig/dist/libconfig-1.7.3.tar.gz
+sudo wget http://172.16.0.251/libconfig-1.7.3.tar.gz
 sudo tar -xzvf libconfig-1.7.3.tar.gz
 cd libconfig-1.7.3/
 sudo ./configure
@@ -197,7 +197,7 @@ sudo mkdir /home/300tc/library/ffmpeg_build
 #sudo make -j5
 
 # Installation Mode 2
-cp /home/pi/tc_ShellScripts/binary/ffmpeg_binary.tar.bz2 /home/300tc/library_source
+sudo wget -P /home/300tc/library_source http://172.16.0.251/tangchao/ffmpeg_binary.tar.bz2
 tar -jxvf ffmpeg_binary.tar.bz2
 cd ffmpeg
 
diff --git a/binary/cmake_binary.tar.bz2 b/binary/cmake_binary.tar.bz2
deleted file mode 100644
index 4694fa9..0000000
Binary files a/binary/cmake_binary.tar.bz2 and /dev/null differ
diff --git a/binary/ffmpeg_binary.tar.bz2 b/binary/ffmpeg_binary.tar.bz2
deleted file mode 100644
index e40e141..0000000
Binary files a/binary/ffmpeg_binary.tar.bz2 and /dev/null differ