diff --git a/build.sh b/build.sh
index ecd2f1960f..84fc60040b 100755
--- a/build.sh
+++ b/build.sh
@@ -39,7 +39,8 @@ fi
 
 make -j2
 
-make install
+# sudo make install
+sudo cp eth/bcoseth /usr/local/bin/
 
 cd ..
 cd ./tool
diff --git a/sample/run.sh b/sample/run.sh
index 4fb8b4ff56..4e510329a4 100755
--- a/sample/run.sh
+++ b/sample/run.sh
@@ -1,6 +1,20 @@
 #!/bin/sh
+
+if [ -d "/bcos-data" ]; then
+    sudo rm -rf /bcos-data
+fi
+
+if [ `whoami` = "root" ];then  
+    export PATH="${PATH}:/usr/local/bin"
+else
+    user=`whoami`
+    group=`groups`
+    sudo mkdir /bcos-data
+    sudo chown ${user}:${group} /bcos-data
+fi 
+
 node init.js node0.sample node1.sample
 chmod +x /bcos-data/node0/start0.sh
 chmod +x /bcos-data/node1/start1.sh
 sh /bcos-data/node0/start0.sh &
-sh /bcos-data/node1/start1.sh &
\ No newline at end of file
+sh /bcos-data/node1/start1.sh &
diff --git a/sample/start.sh.template b/sample/start.sh.template
index d2502ae306..d710a51546 100755
--- a/sample/start.sh.template
+++ b/sample/start.sh.template
@@ -1,3 +1,3 @@
 #!/bin/sh
-bcoseth   --genesis {genesis} --config {config}              
+nohup bcoseth --genesis {genesis} --config {config} >> out.log 2>&1  &