diff --git a/nt_install.sh b/nt_install.sh
index 7797d01..884fc11 100644
--- a/nt_install.sh
+++ b/nt_install.sh
@@ -9,28 +9,37 @@ checkRootPermit() {
 checkSystemArch() {
     arch=$(uname -m)
     if [[ $arch == "x86_64" ]]; then
-    archParam="amd64"
+        archParam="amd64"
     fi
 
     if [[ $arch == "aarch64" ]]; then
-    archParam="arm64"
+        archParam="arm64"
+    fi
+
+    if [[ $arch == "arm64" ]]; then
+        archParam="arm64"
+    fi
+
+    if [[ $archParam == "" ]]; then
+        echo "未知的系统架构，请联系作者"
+        exit 1
     fi
 }
 
 checkSystemDistribution() {
     case "$OSTYPE" in
-    darwin*)  
-    osDistribution="darwin"
-    downPath="/var/tmp/nexttrace"
-    ;; 
-    linux*)   
-    osDistribution="linux"
-    downPath="/var/tmp/nexttrace"
-    ;;
+    darwin*)
+        osDistribution="darwin"
+        downPath="/var/tmp/nexttrace"
+        ;;
+    linux*)
+        osDistribution="linux"
+        downPath="/var/tmp/nexttrace"
+        ;;
     *)
-    echo "unknown: $OSTYPE"
-    exit 1
-    ;;
+        echo "unknown: $OSTYPE"
+        exit 1
+        ;;
     esac
 }
 
@@ -43,30 +52,30 @@ installWgetPackage() {
     # macOS should install wget originally. Nothing to do
     echo "wget 正在安装中..."
     # try apt
-    apt -h &> /dev/null
+    apt -h >/dev/null
     if [ $? -eq 0 ]; then
-    # 先更新一下数据源，有些机器数据源比较老可能会404
-    apt update -y &> /dev/null
-    apt install wget -y &> /dev/null
+        # 先更新一下数据源，有些机器数据源比较老可能会404
+        apt update -y >/dev/null
+        apt install wget -y >/dev/null
     fi
 
     # try yum
-    yum -h &> /dev/null
+    yum -h >/dev/null
     if [ $? -eq 0 ]; then
-    yum install wget -y &> /dev/null
+        yum install wget -y >/dev/null
     fi
 
     # try dnf
-    dnf -h &> /dev/null
+    dnf -h >/dev/null
     if [ $? -eq 0 ]; then
-    dnf install wget -y &> /dev/null
+        dnf install wget -y >/dev/null
     fi
 
     # try pacman
-    pacman -h &> /dev/null
+    pacman -h >/dev/null
     if [ $? -eq 0 ]; then
-    pacman -Sy
-    pacman -S wget
+        pacman -Sy
+        pacman -S wget
     fi
 
 }
@@ -75,101 +84,101 @@ installJqPackage() {
     # macOS should install wget originally. Nothing to do
     echo "jq 正在安装中..."
     # try apt
-    apt -h &> /dev/null
+    apt -h >/dev/null
     if [ $? -eq 0 ]; then
-    # 先更新一下数据源，有些机器数据源比较老可能会404
-    apt update -y &> /dev/null
-    apt install jq -y &> /dev/null
+        # 先更新一下数据源，有些机器数据源比较老可能会404
+        apt update -y >/dev/null
+        apt install jq -y >/dev/null
     fi
 
     # try yum
-    yum -h &> /dev/null
+    yum -h >/dev/null
     if [ $? -eq 0 ]; then
-    yum install jq -y &> /dev/null
+        yum install jq -y >/dev/null
     fi
 
     # try dnf
-    dnf -h &> /dev/null
+    dnf -h >/dev/null
     if [ $? -eq 0 ]; then
-    dnf install jq -y &> /dev/null
+        dnf install jq -y >/dev/null
     fi
 
     # try pacman
-    pacman -h &> /dev/null
+    pacman -h >/dev/null
     if [ $? -eq 0 ]; then
-    pacman -Sy
-    pacman -S jq
+        pacman -Sy
+        pacman -S jq
     fi
 
 }
 
 checkWgetPackage() {
-    wget -h &> /dev/null
+    wget -h >/dev/null
     if [ $? -ne 0 ]; then
-    read -r -p "您还没有安装wget，是否安装? (y/n)" input
+        read -r -p "您还没有安装wget，是否安装? (y/n)" input
 
-    case $input in
-    [yY][eE][sS]|[yY])
-		installWgetPackage
-		;;
+        case $input in
+        [yY][eE][sS] | [yY])
+            installWgetPackage
+            ;;
 
-    [nN][oO]|[nN])
-		echo "您选择了取消安装，脚本即将退出"
-        exit 1
-       	;;
+        [nN][oO] | [nN])
+            echo "您选择了取消安装，脚本即将退出"
+            exit 1
+            ;;
 
-    *)
-		installWgetPackage
-		;;
-    esac
+        *)
+            installWgetPackage
+            ;;
+        esac
     fi
 }
 
 checkJqPackage() {
-    jq -h &> /dev/null
+    jq -h >/dev/null
     if [ $? -ne 0 ]; then
-    echo "您还没有安装jq， 当您取消安装，我们会使用awk获取当前版本号。"
-    read -r -p "但是如遇Github变更API，这可能会存在问题，是否安装? (y/n)" input
+        echo "您还没有安装jq， 当您取消安装，我们会使用awk获取当前版本号。"
+        read -r -p "但是如遇Github变更API，这可能会存在问题，是否安装? (y/n)" input
 
-    case $input in
-    [yY][eE][sS]|[yY])
-		installJqPackage
-		;;
+        case $input in
+        [yY][eE][sS] | [yY])
+            installJqPackage
+            ;;
 
-    [nN][oO]|[nN])
-		echo "您选择了取消安装"
-        return 0
-       	;;
+        [nN][oO] | [nN])
+            echo "您选择了取消安装"
+            return 0
+            ;;
 
-    *)
-		installJqPackage
-		;;
-    esac
+        *)
+            installJqPackage
+            ;;
+        esac
     fi
     return 1
 }
 
 downloadBinrayFile() {
-    echo "正在获取最新版的 NextTrace 发行版文件信息..." 
+    echo "正在获取最新版的 NextTrace 发行版文件信息..."
     checkJqPackage
     # 简单说明一下，Github提供了一个API，可以获取最新发行版本的二进制文件下载地址（对应的是browser_download_url），根据刚刚测得的osDistribution、archParam，获取对应的下载地址
     if [[ $? -eq 1 ]]; then
-    # 支持 jq 不回退
-    # echo nexttrace_${osDistribution}_${archParam}
-    latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | jq ".assets[] | select(.name == \"nexttrace_${osDistribution}_${archParam}\") | .browser_download_url")
-    latestURL=${latestURL: 1: -1}
+        # 支持 jq 不回退
+        # echo nexttrace_${osDistribution}_${archParam}
+        latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | jq ".assets[] | select(.name == \"nexttrace_${osDistribution}_${archParam}\") | .browser_download_url")
+        latestURL=${latestURL:1:-1}
     else
-    # 不支持 jq，用户拒绝安装，回退 awk
-    latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | grep -i "browser_download_url.*${osDistribution}.*${archParam}" | awk -F '"' '{print $4}')
+        # 不支持 jq，用户拒绝安装，回退 awk
+        latestURL=$(curl -s https://api.github.com/repos/xgadget-lab/nexttrace/releases/latest | grep -i "browser_download_url.*${osDistribution}.*${archParam}" | awk -F '"' '{print $4}')
     fi
     if [ "$countryCode" == "CN" ]; then
         read -r -p "检测到国内网络环境，是否使用镜像下载以加速(y/n)" input
         case $input in
-        [yY][eE][sS]|[yY])
+        [yY][eE][sS] | [yY])
             latestURL="https://ghproxy.com/"$latestURL
             ;;
 
-        [nN][oO]|[nN])
+        [nN][oO] | [nN])
             echo "您选择了不使用镜像，下载可能会变得异常缓慢，或者失败"
             ;;
 
@@ -178,27 +187,29 @@ downloadBinrayFile() {
             ;;
         esac
     fi
-    
+
     echo "正在下载 NextTrace 二进制文件..."
-    wget -O ${downPath} ${latestURL} &> /dev/null
-    if [ $? -eq 0 ];
-    then
-    echo "NextTrace 现在已经在您的系统中可用"
-    changeMode
-    mv ${downPath} ${usrPath}
+    wget -O ${downPath} ${latestURL} >/dev/null
+    if [ $? -eq 0 ]; then
+        echo "NextTrace 现在已经在您的系统中可用"
+        changeMode
+        mv ${downPath} ${usrPath}
+        if [[ ${osDistribution} == "macOS" ]]; then
+            xattr -r -d com.apple.quarantine ${usrPath}/nexttrace
+        fi
     else
-    echo "NextTrace 下载失败，请检查您的网络是否正常"
-    exit 1
+        echo "NextTrace 下载失败，请检查您的网络是否正常"
+        exit 1
     fi
 }
 
 changeMode() {
-    chmod +x ${downPath} &> /dev/null
+    chmod +x ${downPath} >/dev/null
 }
 
 runBinrayFileHelp() {
     if [ -e ${usrPath} ]; then
-    ${usrPath}/nexttrace -h
+        ${usrPath}/nexttrace -h
     fi
 }