diff --git a/00base/07env-install-centos.sh b/00base/07env-install-centos.sh
index 728085b..4147bf3 100644
--- a/00base/07env-install-centos.sh
+++ b/00base/07env-install-centos.sh
@@ -197,7 +197,7 @@ function command::exec() {
     fi
     command="$sudo_options bash -c $(utils::quote "$command")"
   fi
-  command="$(utils::quote "$command")"
+#  command="$(utils::quote "$command")"
   if [[ "${host}" == "127.0.0.1" ]]; then
     # 本地执行
     log::exec "[command]" "bash -c $(printf "%s" "${command//${SUDO_PASSWORD:-}/zzzzzz}")"
@@ -228,23 +228,23 @@ function command::exec() {
 function init:add_user() {
   log::info "[add-user]" "新增用户[${ADD_USER_NAME}]..."
   local host="127.0.0.1"
+  local add_sudoers="${ADD_USER_NAME}    ALL=(ALL)       NOPASSWD:ALL"
   command::exec "${host}" "
-      # 创建用户
-      adduser ${ADD_USER_NAME}
-  "
-  local code="$?"
-  if [[ "${code}" == "0" ]]; then
-    command::exec "${host}" "
-      # 设置密码
-      echo ${ADD_USER_NAME}:${ADD_USER_PASSWORD} | chpasswd
-      # 新增修改权限
-      chmod -v u+w /etc/sudoers
-      echo -e \"\n${ADD_USER_NAME}    ALL=(ALL)       NOPASSWD:ALL\n\" >> /etc/sudoers
-      # 收回修改权限
-      chmod -v u-w /etc/sudoers
-    "
-    check::exit_code "$?" "add-user" "$host 新增用户[${ADD_USER_NAME}]" "exit"
+  if [ \`id -u ${ADD_USER_NAME} >/dev/null 2>&1\` -ne '0' ]; then
+    # 创建用户
+    adduser ${ADD_USER_NAME}
+    # 设置密码
+    echo ${ADD_USER_NAME}:${ADD_USER_PASSWORD} | chpasswd
   fi
+  if [ \`grep -c $add_sudoers /etc/sudoers\` -ne '0' ];then
+    # 新增修改权限
+    chmod -v u+w /etc/sudoers
+    echo -e \"\n$add_sudoers\n\" >> /etc/sudoers
+    # 收回修改权限
+    chmod -v u-w /etc/sudoers
+  fi
+  "
+  check::exit_code "$?" "add-user" "$host 新增用户[${ADD_USER_NAME}]" "exit"
   log::info "[add-user]" "新增用户[${ADD_USER_NAME}]成功!"
 }