diff --git a/install.sh b/install.sh
index 8e43ba5..48b2c7c 100644
--- a/install.sh
+++ b/install.sh
@@ -344,35 +344,14 @@ install_agent() {
 
     echo "> 安装监控Agent"
 
-    echo "正在获取监控Agent版本号"
-
-
-    _version=$(curl -m 10 -sL "https://api.github.com/repos/nezhahq/agent/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://gitee.com/api/v5/repos/naibahq/agent/releases/latest" | awk -F '"' '{for(i=1;i<=NF;i++){if($i=="tag_name"){print $(i+2)}}}')
-    fi
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://fastly.jsdelivr.net/gh/nezhahq/agent/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/nezhahq\/agent@/v/g')
-    fi
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://gcore.jsdelivr.net/gh/nezhahq/agent/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/nezhahq\/agent@/v/g')
-    fi
-
-    if [ -z "$_version" ]; then
-        err "获取 Agent 版本号失败，请检查本机能否链接 https://api.github.com/repos/nezhahq/agent/releases/latest"
-        return 1
-    else
-        echo "当前最新版本为： ${_version}"
-    fi
-
     # Nezha Monitoring Folder
     sudo mkdir -p $NZ_AGENT_PATH
 
     echo "正在下载监控端"
     if [ -z "$CN" ]; then
-        NZ_AGENT_URL="https://${GITHUB_URL}/nezhahq/agent/releases/download/${_version}/nezha-agent_linux_${os_arch}.zip"
+        NZ_AGENT_URL="https://${GITHUB_URL}/nezhahq/agent/releases/download/v0.20.5/nezha-agent_linux_${os_arch}.zip"
     else
-        NZ_AGENT_URL="https://${GITHUB_URL}/naibahq/agent/releases/download/${_version}/nezha-agent_linux_${os_arch}.zip"
+        NZ_AGENT_URL="https://${GITHUB_URL}/naibahq/agent/releases/download/v0.20.5/nezha-agent_linux_${os_arch}.zip"
     fi
 
     _cmd="wget -t 2 -T 60 -O nezha-agent_linux_${os_arch}.zip $NZ_AGENT_URL >/dev/null 2>&1"
diff --git a/install_en.sh b/install_en.sh
index 09da9af..8e78398 100644
--- a/install_en.sh
+++ b/install_en.sh
@@ -344,35 +344,14 @@ install_agent() {
 
     echo "> Install Agent"
 
-    echo "Obtaining Agent version number"
-
-
-    _version=$(curl -m 10 -sL "https://api.github.com/repos/nezhahq/agent/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://gitee.com/api/v5/repos/naibahq/agent/releases/latest" | awk -F '"' '{for(i=1;i<=NF;i++){if($i=="tag_name"){print $(i+2)}}}')
-    fi
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://fastly.jsdelivr.net/gh/nezhahq/agent/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/nezhahq\/agent@/v/g')
-    fi
-    if [ -z "$_version" ]; then
-        _version=$(curl -m 10 -sL "https://gcore.jsdelivr.net/gh/nezhahq/agent/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/nezhahq\/agent@/v/g')
-    fi
-
-    if [ -z "$_version" ]; then
-        err "Fail to obtain Agent version, please check if the network can link https://api.github.com/repos/nezhahq/agent/releases/latest"
-        return 1
-    else
-        echo "The current latest version is: ${_version}"
-    fi
-
     # Nezha Monitoring Folder
     sudo mkdir -p $NZ_AGENT_PATH
 
     echo "Downloading Agent"
     if [ -z "$CN" ]; then
-        NZ_AGENT_URL="https://${GITHUB_URL}/nezhahq/agent/releases/download/${_version}/nezha-agent_linux_${os_arch}.zip"
+        NZ_AGENT_URL="https://${GITHUB_URL}/nezhahq/agent/releases/download/v0.20.5/nezha-agent_linux_${os_arch}.zip"
     else
-        NZ_AGENT_URL="https://${GITHUB_URL}/naibahq/agent/releases/download/${_version}/nezha-agent_linux_${os_arch}.zip"
+        NZ_AGENT_URL="https://${GITHUB_URL}/naibahq/agent/releases/download/v0.20.5/nezha-agent_linux_${os_arch}.zip"
     fi
 
     _cmd="wget -t 2 -T 60 -O nezha-agent_linux_${os_arch}.zip $NZ_AGENT_URL >/dev/null 2>&1"