diff --git a/app/models/competition_staff.rb b/app/models/competition_staff.rb
index bfa1daba..1a949460 100644
--- a/app/models/competition_staff.rb
+++ b/app/models/competition_staff.rb
@@ -6,7 +6,7 @@ class CompetitionStaff < ActiveRecord::Base
   belongs_to :competition
 
   validates :position, numericality: { only_integer: true }
-  validates :minimum, numericality: { only_integer: true, greater_than: 0 }
+  validates :minimum, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
   validates :maximum, numericality: { only_integer: true, greater_than_or_equal_to: lambda { |obj| obj.minimum } }
   validates :category, presence: true, inclusion: { in: %w(all teacher student profession) }
 
diff --git a/app/views/competition_teams/_competition_team_form.html.erb b/app/views/competition_teams/_competition_team_form.html.erb
index c182c138..359a1d11 100644
--- a/app/views/competition_teams/_competition_team_form.html.erb
+++ b/app/views/competition_teams/_competition_team_form.html.erb
@@ -16,7 +16,7 @@
 
   <div class="df pl20 pr20 mt10">
     <label class="mt3"><span class="mr3 color-orange">*</span>队名：</label>
-    <input type="text" name="name" autocomplete="off" <%= none_edit ? "disabled" : "" %> maxlength="20" value="<%= @team.try(:name) %>" class="input-flex-35" style="margin-right: 102px;" placeholder="请输入您的组队名称"/>
+    <input type="text" name="name" autocomplete="off" <%= none_edit ? "disabled" : "" %> maxlength="20" value="<%= @team.try(:name) %>" class="input-flex-35" placeholder="请输入您的组队名称"/>
   </div>
   <p style="line-height: 27px;height: 27px"><span id="team_name_notice" class="color-orange-tip ml73 none"></span></p>
 
@@ -24,7 +24,7 @@
     <div class="df pl20 pr20">
       <label class="ml10 mt3">导师：</label>
       <div class="flex1 pr search-new">
-        <input type="text" class="input-100-35 fl" <%= @team_user.user_extensions.identity == 0 ? "disabled" : "" %> autocomplete="off" placeholder="请您输入老师姓名进行搜索" id="teacher_search_input"
+        <input type="text" class="input-100-35 fl" <%= @team_user.user_extensions.identity == 0 ? "disabled" : "" %> autocomplete="off" placeholder="请您输入老师姓名进行搜索；可以后续再添加导师" id="teacher_search_input"
                value="<%= @team.try(:id).present? ? @team.teacher.try(:show_name) : (@team_user.user_extensions.identity == 0 ? @team_user.show_name : "") %>">
         <input type="hidden" id="teacher_id" data-select="0" value="<%= @team.try(:id).present? ? @team.try(:teacher_id) : (@team_user.user_extensions.identity == 0 ? @team_user.id : "") %>">
         <input type="hidden" id="teacher_name" value="<%= @team.try(:id).present? ? @team.teacher.try(:show_name) : (@team_user.user_extensions.identity == 0 ? @team_user.show_name : "") %>">
@@ -34,7 +34,7 @@
         <ul class="pointerTeacher none" id="pointerTeacher">
         </ul>
       </div>
-      <a class="fl ml20 white-btn edu-blueback-btn mt4" onclick="add_teacher()">添加导师</a>
+      <a class="fl ml20 white-btn edu-blueback-btn mt4 add-teacher-btn" style="display: none;" onclick="add_teacher()">添加导师</a>
     </div>
     <p style="line-height: 27px;height: 27px"><span id="teacher_notice" class="color-orange-tip ml73 none"></span></p>
   <% end %>
@@ -52,7 +52,7 @@
         <ul class="pointerTeacher none" id="pointerStudent">
         </ul>
       </div>
-      <a class="fl ml20 white-btn edu-blueback-btn mt4" onclick="<%= none_edit ? '' : 'add_member()' %>">添加成员</a>
+      <a class="fl ml20 white-btn edu-blueback-btn mt4 add-member-btn" style="display: none;" onclick="<%= none_edit ? '' : 'add_member()' %>">添加成员</a>
     </div>
     <p style="line-height: 27px;height: 27px"><span id="member_notice" class="color-orange-tip ml73 none"></span></p>
   <% end %>
diff --git a/app/views/competition_teams/_search_member_list.html.erb b/app/views/competition_teams/_search_member_list.html.erb
index 901b034d..bf4a9b8d 100644
--- a/app/views/competition_teams/_search_member_list.html.erb
+++ b/app/views/competition_teams/_search_member_list.html.erb
@@ -28,6 +28,8 @@
             $("#member_notice").hide();
             $("#pointerStudent").hide();
             e.stopPropagation();
+
+            $('.add-member-btn').trigger('click');
         });
         $("body").click(function(){
             $(".pointerTeacher").hide();
diff --git a/app/views/competition_teams/_search_teacher_list.html.erb b/app/views/competition_teams/_search_teacher_list.html.erb
index de62c131..54538382 100644
--- a/app/views/competition_teams/_search_teacher_list.html.erb
+++ b/app/views/competition_teams/_search_teacher_list.html.erb
@@ -25,6 +25,7 @@
           $("#pointerTeacher").hide();
           $("#teacher_notice").hide();
           e.stopPropagation();
+          $('.add-teacher-btn').trigger('click');
       });
       $("body").click(function(){
           $(".pointerTeacher").hide();
diff --git a/app/views/managements/_competition_list_page.html.erb b/app/views/managements/_competition_list_page.html.erb
index 94cacc8d..073d1133 100644
--- a/app/views/managements/_competition_list_page.html.erb
+++ b/app/views/managements/_competition_list_page.html.erb
@@ -79,9 +79,9 @@
                         <% @competition.competition_staffs.each do |staff| %>
                           <div class="competition-staff-row mb10">
                             <%= select_tag('competition_staffs[][category]', options_for_select(CompetitionStaff.category_options, staff.category), class: 'winput-120-30') %>
-                            <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][minimum]" required="required" value="<%= staff.minimum %>"/>
+                            <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][minimum]" value="<%= staff.minimum %>"/>
                             &nbsp;&nbsp;~&nbsp;&nbsp;
-                            <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][maximum]" required="required" value="<%= staff.maximum %>"/>
+                            <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][maximum]" value="<%= staff.maximum %>"/>
                             人
                             <span class="competition-staff-operate ml10">
                               <i class="fa fa-trash-o ml5 font-16 delete-icon"></i>
@@ -168,9 +168,9 @@
 <div class="competition-staff-row-example" style="display: none">
   <div class="competition-staff-row mb10">
     <%= select_tag('competition_staffs[][category]', options_for_select(CompetitionStaff.category_options, ''), class: 'winput-120-30') %>
-    <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][minimum]" require="required" value="1"/>
+    <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][minimum]" value="1"/>
     &nbsp;&nbsp;~&nbsp;&nbsp;
-    <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][maximum]" required="required" value="1"/>
+    <input type="text" autocomplete="off" class="Other_boxinput" name="competition_staffs[][maximum]" value="1"/>
     人
     <span class="competition-staff-operate ml10">
                             <i class="fa fa-trash-o ml5 font-16 delete-icon"></i>