diff --git a/app/services/users_service.rb b/app/services/users_service.rb
index aff0a975c..7e8e775ed 100644
--- a/app/services/users_service.rb
+++ b/app/services/users_service.rb
@@ -255,7 +255,9 @@ class UsersService
           watcher.push(params[:user_id])
           scope = scope.where("id not in (?)",watcher)
         end
-        scope = scope.like(params[:name],search_by)
+        #scope = scope.like(params[:name],search_by)
+        scope = scope.where("( LOWER(login) LIKE ? or LOWER(concat(lastname, firstname)) LIKE ? or LOWER(mail) LIKE ? )",
+                            "%#{params[:name]}%","%#{params[:name]}%","%#{params[:name]}%")
       end
       #modify by yutao 2015/5/18 没有params[:user_id]参数时去掉"id not in (?)"条件 end
     else
diff --git a/app/views/users/search.html.erb b/app/views/users/search.html.erb
index ef1db3b0c..13979f79f 100644
--- a/app/views/users/search.html.erb
+++ b/app/views/users/search.html.erb
@@ -30,8 +30,8 @@
 			<td rowspan="2" >	
 			<div class="project-search" style="float: right">
               <!--label for="user_browse_label"><%#= l(:label_user_search_type) %></label-->
-              <%= select_tag(:search_by,options_for_select([["昵称","0"],["姓名","1"],["邮箱","2"]],@search_by), :onchange => "searchByChange();" )  %>
-			  <%= text_field_tag 'name', params[:name], :size => 30 %>
+              <%= select_tag(:search_by,options_for_select([["昵称","0"],["姓名","1"],["邮箱","2"]],@search_by), :onchange => "searchByChange();",:style=>'display:none;' )  %>
+			  <%= text_field_tag 'name', params[:name], :size => 30, :placeholder=>'昵称/姓名/邮箱' %>
               <input type="text" name="search_by_input" hidden="hidden;" id="search_by_input" value="0">
             <input type="button" class="enterprise" value="<%= l(:label_search) %>" onclick="searchUser();"/>
 			<%#= submit_tag l(:label_search), :class => "enterprise", :name => nil %>
diff --git a/app/views/welcome/_search_project.html.erb b/app/views/welcome/_search_project.html.erb
index 4f534ed2f..c2919b162 100644
--- a/app/views/welcome/_search_project.html.erb
+++ b/app/views/welcome/_search_project.html.erb
@@ -73,11 +73,13 @@ form #search_by
   {
       if($("#search_type").val() == "users")
       {
-          $("#search_by").show();
+          $("#q").attr('placeholder','昵称/姓名/邮箱');
+//          $("#search_by").show();
       }
       else
       {
           $("#search_by").hide();
+          $("#q").attr('placeholder',"<%=l('welcome.search.information')%>");
       }
   }
 
@@ -93,7 +95,7 @@ form #search_by
 		<%= text_field_tag :q, nil, :placeholder => l('welcome.search.information'), style:"float:left; width:185px;" %>
         <input type="text" name="search_by_input" style="display: none" id="search_by_input" value="0">
 		<%= select_tag(:search_type, options_for_select(select_option), :onchange => "searchTypeChange();", :style => "float:right" ) %>
-        <%= select_tag(:search_by,options_for_select([[l('welcome.search.select.userinfo.nickname'),"0"],[l('welcome.search.select.userinfo.showname'),"1"],[l('welcome.search.select.userinfo.email'),"2"]]), :onchange => "searchByChange();",:style => "float:right" )  %>
+        <%= select_tag(:search_by,options_for_select([[l('welcome.search.select.userinfo.nickname'),"0"],[l('welcome.search.select.userinfo.showname'),"1"],[l('welcome.search.select.userinfo.email'),"2"]]), :onchange => "searchByChange();",:style => "float:right;display:none;" )  %>
 	</div>
 		<%#= hidden_field_tag 'project_type', project_type %>
 </div>