diff --git a/install.sh b/install.sh
index 7bb16ed..2ed55be 100644
--- a/install.sh
+++ b/install.sh
@@ -23,7 +23,7 @@ OK="${Green}[OK]${Font}"
 ERROR="${Red}[ERROR]${Font}"
 
 # 变量
-shell_version="1.0.5"
+shell_version="1.0.6"
 github_branch="xray"
 version_cmp="/tmp/version_cmp.tmp"
 xray_conf_dir="/usr/local/etc/xray"
@@ -73,6 +73,8 @@ function system_check() {
   elif [[ "${ID}" == "debian" && ${VERSION_ID} -ge 9 ]]; then
     print_ok "当前系统为 Debian ${VERSION_ID} ${VERSION}"
     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
 
     echo "deb http://nginx.org/packages/debian $(lsb_release -cs) nginx" >/etc/apt/sources.list.d/nginx.list
@@ -82,6 +84,8 @@ function system_check() {
   elif [[ "${ID}" == "ubuntu" && $(echo "${VERSION_ID}" | cut -d '.' -f1) -ge 18 ]]; then
     print_ok "当前系统为 Ubuntu ${VERSION_ID} ${UBUNTU_CODENAME}"
     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
 
     echo "deb http://nginx.org/packages/ubuntu $(lsb_release -cs) nginx" >/etc/apt/sources.list.d/nginx.list