diff --git a/jperm/views.py b/jperm/views.py
index 57559444e..36d188f6e 100644
--- a/jperm/views.py
+++ b/jperm/views.py
@@ -380,7 +380,8 @@ def sudo_edit(request):
 
     else:
         user_group_id = request.POST.get('user_group_id', '')
-        users_runas = request.POST.get('runas', 'root')
+        users_runas = request.POST.get('runas') if request.POST.get('runas') else 'root'
+        print users_runas
         asset_groups_select = request.POST.getlist('asset_groups_select')
         cmd_groups_select = request.POST.getlist('cmd_groups_select')
         comment = request.POST.get('comment', '')
diff --git a/templates/jperm/sudo_cmd_add.html b/templates/jperm/sudo_cmd_add.html
index 9f9e8990e..f2135f31d 100644
--- a/templates/jperm/sudo_cmd_add.html
+++ b/templates/jperm/sudo_cmd_add.html
@@ -80,7 +80,7 @@
                                 <div class="col-sm-8">
                                     <textarea id='cmd' name='cmd' class="form-control" rows="10" placeholder="命令">{{ cmd }}</textarea>
                                     <span class="help-block m-b-none">
-                                        输入命令一行一个
+                                        输入命令一行一个，请写绝对路径如: /bin/su，所有是ALL，排除su是 !/bin/su
                                     </span>
                                 </div>
                             </div>
diff --git a/templates/jperm/sudo_edit.html b/templates/jperm/sudo_edit.html
index 69b957739..e1c7977ce 100644
--- a/templates/jperm/sudo_edit.html
+++ b/templates/jperm/sudo_edit.html
@@ -55,7 +55,7 @@
                                     <input id="runas" name="runas" placeholder="RunAsUser" type="text" class="form-control" value="{{ user_runas }}">
                                     <input id="user_group_id" name="user_group_id" type="text" value="{{ user_group.id }}" style="display: none">
                                     <span class="help-block m-b-none">
-                                        允许以哪个用户允许sudo,逗号分隔,默认root
+                                        允许以哪个用户进行sudo,逗号分隔，如: root或者 ALL 等
                                     </span>
                                 </div>
                             </div>