From 0743ac2c7876a958ee17ef30b0c38fc1d2b54994 Mon Sep 17 00:00:00 2001
From: sw <939547590@qq.com>
Date: Thu, 9 Apr 2015 14:32:14 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=BE=E7=A8=8B=E6=88=90=E5=91=98=E9=85=8D?=
 =?UTF-8?q?=E7=BD=AE-=E6=B7=BB=E5=8A=A0=E6=88=90=E5=91=98=EF=BC=9A?=
 =?UTF-8?q?=E6=B2=A1=E6=9C=89=E6=90=9C=E7=B4=A2=E6=9D=A1=E4=BB=B6=E5=88=99?=
 =?UTF-8?q?=E6=98=BE=E7=A4=BA=E7=A9=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/helpers/members_helper.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/helpers/members_helper.rb b/app/helpers/members_helper.rb
index 29ba94924..c8e8bd87b 100644
--- a/app/helpers/members_helper.rb
+++ b/app/helpers/members_helper.rb
@@ -44,7 +44,11 @@ module MembersHelper
   # add by nwb
   # 课程可添加的成员列表
   def render_principals_for_new_course_members(course)
-    scope = Principal.active.sorted.not_member_of_course(course).like(params[:q])
+    if params[:q] && params[:q] != ""
+      scope = Principal.active.sorted.not_member_of_course(course).like(params[:q])
+    else
+      scope = []
+    end
     principals = paginateHelper scope,10
     s = content_tag('ul', project_member_check_box_tags_ex('membership[user_ids][]', principals), :class => 'mb5', :id => 'principals')