diff --git a/scripts/download.sh b/scripts/download.sh
index c90b83f70..767fcf3e0 100755
--- a/scripts/download.sh
+++ b/scripts/download.sh
@@ -1,13 +1,32 @@
 #!/bin/bash
+set -e
 osf=$(uname | tr '[:upper:]' '[:lower:]')
-version=v1.6.0
+version=v1.15.2
+dist_file=bbgo-$version-$osf-amd64.tar.gz
 
-if [[ -n $1 ]] ; then
-    version=$1
-fi
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+NC='\033[0m' # No Color
 
-echo "downloading bbgo $version"
-curl -L -o bbgo https://github.com/c9s/bbgo/releases/download/$version/bbgo-$osf
+function warn()
+{
+    echo -e "${YELLOW}$@${NC}"
+}
+
+function error()
+{
+    echo -e "${RED}$@${NC}"
+}
+
+function info()
+{
+    echo -e "${GREEN}$@${NC}"
+}
+
+info "downloading..."
+curl -O -L https://github.com/c9s/bbgo/releases/download/$version/$dist_file
+tar xzf $dist_file
+mv bbgo-$osf bbgo
 chmod +x bbgo
-
-echo "bbgo is downloaded at ./bbgo"
+info "downloaded successfully"
diff --git a/scripts/setup-bollgrid.sh b/scripts/setup-bollgrid.sh
index f0fa090ff..43fdcb808 100755
--- a/scripts/setup-bollgrid.sh
+++ b/scripts/setup-bollgrid.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 osf=$(uname | tr '[:upper:]' '[:lower:]')
-version=v1.14.0
+version=v1.15.2
 dist_file=bbgo-$version-$osf-amd64.tar.gz
 
 RED='\033[0;31m'
diff --git a/scripts/setup-grid.sh b/scripts/setup-grid.sh
index efdbb1b5c..8726fa49c 100755
--- a/scripts/setup-grid.sh
+++ b/scripts/setup-grid.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 osf=$(uname | tr '[:upper:]' '[:lower:]')
-version=v1.14.0
+version=v1.15.2
 dist_file=bbgo-$version-$osf-amd64.tar.gz
 
 RED='\033[0;31m'
diff --git a/scripts/setup.sh b/scripts/setup.sh
index b56b45de3..98da53abe 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 osf=$(uname | tr '[:upper:]' '[:lower:]')
-version=v1.6.0
+version=v1.15.2
 
 echo "Downloading bbgo"
 curl -L -o bbgo https://github.com/c9s/bbgo/releases/download/$version/bbgo-$osf