diff --git a/README.md b/README.md
index 3e3f207ff..e4c2f5ae3 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@
 #欢迎使用Jumpserver
 **Jumpserver** 是一款由python编写开源的跳板机(堡垒机)系统，实现了跳板机应有的功能。基于ssh协议来管理，客户端无需安装agent。
 支持常见系统:
- 1. redhat centos
- 2. debian
- 3. suse ubuntu
- 4. freebsd
+ 1. CentOS, RedHat, Fedora, Amazon Linux
+ 2. Debian
+ 3. SUSE, Ubuntu
+ 4. FreeBSD
  5. 其他ssh协议硬件设备
 
 ###截图：
diff --git a/install/install.py b/install/install.py
index 01b281a92..da26157a5 100755
--- a/install/install.py
+++ b/install/install.py
@@ -80,12 +80,12 @@ class PreSetup(object):
         self.ip = ''
         self.key = ''.join(random.choice(string.ascii_lowercase + string.digits) \
                            for _ in range(16))
-        self.dist = platform.dist()[0].lower()
-        self.version = platform.dist()[1]
+        self.dist = platform.linux_distribution(supported_dists=['system'])[0].lower()
+        self.version = platform.linux_distribution(supported_dists=['system'])[1]
 
     @property
     def _is_redhat(self):
-        if self.dist == "centos" or self.dist == "redhat" or self.dist == "fedora":
+        if self.dist == "centos" or self.dist == "redhat" or self.dist == "fedora" or self.dist == "amazon linux ami":
             return True
 
     @property
@@ -105,7 +105,7 @@ class PreSetup(object):
 
     def check_platform(self):
         if not (self._is_redhat or self._is_ubuntu):
-            print(u"支持的平台: CentOS, RedHat, Fedora, Debian, Ubuntu, 暂不支持其他平台安装.")
+            print(u"支持的平台: CentOS, RedHat, Fedora, Debian, Ubuntu, Amazon Linux, 暂不支持其他平台安装.")
             exit()
 
     @staticmethod
diff --git a/templates/setting.html b/templates/setting.html
index d13cf7f4f..061a71f0e 100644
--- a/templates/setting.html
+++ b/templates/setting.html
@@ -109,7 +109,7 @@
         timely: 2,
         theme: "yellow_right_effect",
         rules: {
-            check_name: [/^\w{2,20}$/, '大小写字母数字和下划线,2-20位'],
+            check_name: [/^(\w|\-){2,20}$/, '大小写字母、数字、中划线和下划线，2-20位'],
             check_port: [/^\d{1,5}$/, '端口号不正确'],
             either: function(){
                 return $('#password').val() == ''