diff --git a/install/centos-7.sh b/install/centos-7.sh
index 0b241273d..7a69d2648 100644
--- a/install/centos-7.sh
+++ b/install/centos-7.sh
@@ -70,7 +70,7 @@ pm2 start "./minio server /data/file" --name minio
 # TODO: install basic addons?
 echo "Installing Hydro"
 yarn global add hydrooj @hydrooj/ui-default @hydrooj/hydrojudge
-wget https://github.com/criyle/go-judge/releases/download/v1.0.5/executorserver-amd64 -O /usr/bin/sandbox_
+wget https://s3.undefined.moe/file/executor-amd64 -O /usr/bin/sandbox_
 chmod +x /usr/bin/sandbox_
 pm2 start "/usr/bin/sandbox_"
 mkdir ~/.hydro
diff --git a/install/install.ts b/install/install.ts
index 882691df3..d427999df 100644
--- a/install/install.ts
+++ b/install/install.ts
@@ -79,7 +79,7 @@ logAndRun('apt-get install -y g++ >/dev/null');
 
 log.info('正在安装 HydroOJ / Installing HydroOJ');
 logAndRunWithNvm('yarn global add hydrooj @hydrooj/ui-default @hydrooj/hydrojudge');
-http.download('https://github.com/criyle/go-judge/releases/download/v1.0.5/executorserver-amd64', '/usr/bin/sandbox');
+http.download('https://s3.undefined.moe/file/executor-amd64', '/usr/bin/sandbox');
 exec('chmod +x /usr/bin/sandbox');
 logAndRunWithNvm('pm2 start sandbox');
 fs.writefile('/root/.hydro/config.json', JSON.stringify({
diff --git a/install/ubuntu-1604.sh b/install/ubuntu-1604.sh
index 21e068484..ba97fe414 100644
--- a/install/ubuntu-1604.sh
+++ b/install/ubuntu-1604.sh
@@ -61,7 +61,7 @@ apt-get install -y g++ >/dev/null
 # TODO: install basic addons?
 echo "Installing Hydro"
 yarn global add hydrooj @hydrooj/ui-default @hydrooj/hydrojudge
-wget https://github.com/criyle/go-judge/releases/download/v1.0.5/executorserver-amd64 -O /usr/bin/sandbox
+wget https://s3.undefined.moe/file/executor-amd64 -O /usr/bin/sandbox
 chmod +x /usr/bin/sandbox
 pm2 start sandbox
 mkdir ~/.hydro
diff --git a/install/ubuntu-1804.sh b/install/ubuntu-1804.sh
index 23c12f2c7..1dc8844cf 100644
--- a/install/ubuntu-1804.sh
+++ b/install/ubuntu-1804.sh
@@ -61,7 +61,7 @@ apt-get install -y g++ >/dev/null
 # TODO: install basic addons?
 echo "Installing Hydro"
 yarn global add hydrooj @hydrooj/ui-default @hydrooj/hydrojudge
-wget https://github.com/criyle/go-judge/releases/download/v1.0.5/executorserver-amd64 -O /usr/bin/sandbox
+wget https://s3.undefined.moe/file/executor-amd64 -O /usr/bin/sandbox
 chmod +x /usr/bin/sandbox
 pm2 start sandbox
 mkdir ~/.hydro
diff --git a/install/ubuntu-2004.sh b/install/ubuntu-2004.sh
index 4dfd66b0a..ea65ba33a 100644
--- a/install/ubuntu-2004.sh
+++ b/install/ubuntu-2004.sh
@@ -61,7 +61,7 @@ apt-get install -y g++ >/dev/null
 # TODO: install basic addons?
 echo "Installing Hydro"
 yarn global add hydrooj @hydrooj/ui-default @hydrooj/hydrojudge
-wget https://github.com/criyle/go-judge/releases/download/v1.0.5/executorserver-amd64 -O /usr/bin/sandbox
+wget https://s3.undefined.moe/file/executor-amd64 -O /usr/bin/sandbox
 chmod +x /usr/bin/sandbox
 pm2 start sandbox
 mkdir ~/.hydro