diff --git a/install.sh b/install.sh
index 81efb0c..7f36484 100644
--- a/install.sh
+++ b/install.sh
@@ -91,7 +91,7 @@ function system_check() {
     INS="apt install -y"
     # 清除可能的遗留问题
     rm -f /etc/apt/sources.list.d/nginx.list
-    $INS lsb-release
+    $INS lsb-release gnupg2
 
     echo "deb http://nginx.org/packages/debian $(lsb_release -cs) nginx" >/etc/apt/sources.list.d/nginx.list
     curl -fsSL https://nginx.org/keys/nginx_signing.key | sudo apt-key add -
@@ -102,7 +102,7 @@ function system_check() {
     INS="apt install -y"
     # 清除可能的遗留问题
     rm -f /etc/apt/sources.list.d/nginx.list
-    $INS lsb-release
+    $INS lsb-release gnupg2
 
     echo "deb http://nginx.org/packages/ubuntu $(lsb_release -cs) nginx" >/etc/apt/sources.list.d/nginx.list
     curl -fsSL https://nginx.org/keys/nginx_signing.key | sudo apt-key add -