diff --git a/app/helpers/members_helper.rb b/app/helpers/members_helper.rb
index 34c6dad15..06b154d36 100644
--- a/app/helpers/members_helper.rb
+++ b/app/helpers/members_helper.rb
@@ -32,7 +32,7 @@ module MembersHelper
 
   #获取项目可邀请的成员列表
   def render_project_members project
-    if params[:q] && params[:q] != ""
+    if params[:q] && params[:q].lstrip.rstrip != ""
       scope = Principal.active.sorted.not_member_of(project).like(params[:q])
     else
       scope = []
@@ -48,7 +48,7 @@ module MembersHelper
   # add by nwb
   # 课程可添加的成员列表
   def render_principals_for_new_course_members(course)
-    if params[:q] && params[:q] != ""
+    if params[:q] && params[:q].lstrip.rstrip != ""
       scope = Principal.active.sorted.not_member_of_course(course).like(params[:q])
     else
       scope = []
@@ -63,19 +63,6 @@ module MembersHelper
     s + content_tag('ul', links,:class => 'wlist',:id => "course_member_pagination_links")
   end
 
-  # 项目配置中添加成员列表
-  def render_principals_for_new_project_members(project)
-    scope = Principal.active.sorted.not_member_of(project).like(params[:q])
-    principals = paginateHelper scope,10
-    s = content_tag('ul', project_member_check_box_tags_ex('membership[user_ids][]', principals), :class => 'mb5', :id => 'principals')
-
-    links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false, :remote => false, :flag => true) {|text, parameters, options|
-      link_to text, appliedproject_project_memberships_path(project, parameters.merge(:q => params[:q], :format => 'js')), :remote => true
-    }
-
-    s + content_tag('ul', links,:class => 'wlist',:id => "course_member_pagination_links")
-  end
-
   # 新申请加入项目成员列表
   def render_principals_for_applied_members_new project
     scope = project.applied_projects.map(&:user)