diff --git a/README.md b/README.md
index fea4346..f8c21df 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
   <br>
   <small><i>LOGO designed by <a href="https://xio.ng" target="_blank">熊大</a> .</i></small>
   <br><br>
-<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.15.6-brightgreen?style=for-the-badge&logo=linux">
+<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.15.7-brightgreen?style=for-the-badge&logo=linux">
   <br>
   <br>
   <p>:trollface: <b>Nezha Monitoring: Self-hostable, lightweight, servers and websites monitoring and O&M tool.</b></p>
diff --git a/script/install.sh b/script/install.sh
index 66e22f8..369686c 100755
--- a/script/install.sh
+++ b/script/install.sh
@@ -14,7 +14,7 @@ NZ_AGENT_SERVICE="/etc/systemd/system/nezha-agent.service"
 NZ_AGENT_SERVICERC="/etc/init.d/nezha-agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.15.6"
+NZ_VERSION="v0.15.7"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -159,7 +159,7 @@ install_arch() {
                                         cd /tmp; git clone https://aur.archlinux.org/libsepol.git; cd libsepol; makepkg -si --noconfirm --asdeps; cd ..;
                                         git clone https://aur.archlinux.org/libselinux.git; cd libselinux; makepkg -si --noconfirm; cd ..;
                                         rm -rf libsepol libselinux'
-        sed -i '/nezha-agent/d' /etc/sudoers && sleep 30s && killall -u nezha-agent && userdel nezha-agent
+        sed -i '/nezha-agent/d' /etc/sudoers && sleep 30s && killall -u nezha-agent && userdel -r nezha-agent
         echo -e "${red}提示: ${plain}已删除用户nezha-agent，请务必手动核查一遍！\n"
         ;;
     [nN][oO] | [nN])
diff --git a/script/install_en.sh b/script/install_en.sh
index a8f10e4..43da8ad 100755
--- a/script/install_en.sh
+++ b/script/install_en.sh
@@ -14,7 +14,7 @@ NZ_AGENT_SERVICE="/etc/systemd/system/nezha-agent.service"
 NZ_AGENT_SERVICERC="/etc/init.d/nezha-agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.15.6"
+NZ_VERSION="v0.15.7"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -157,7 +157,7 @@ install_arch() {
                                         cd /tmp; git clone https://aur.archlinux.org/libsepol.git; cd libsepol; makepkg -si --noconfirm --asdeps; cd ..;
                                         git clone https://aur.archlinux.org/libselinux.git; cd libselinux; makepkg -si --noconfirm; cd ..;
                                         rm -rf libsepol libselinux'
-        sed -i '/nezha-agent/d' /etc/sudoers && sleep 30s && killall -u nezha-agent && userdel nezha-agent
+        sed -i '/nezha-agent/d' /etc/sudoers && sleep 30s && killall -u nezha-agent && userdel -r nezha-agent
         echo -e "${red}Info: ${plain}user nezha-agent has been deleted, Be sure to check it manually!\n"
         ;;
     [nN][oO] | [nN])