diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 40879dc08..360732120 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -47,7 +47,7 @@ class ShixunsController < ApplicationController
 					where("challenge_tags.name like '%#{keyword}%'
                   or challenges.subject like '%#{keyword}%'
                   or concat(lastname, firstname) like '%#{keyword}%'
-                  or shixuns.name like '%#{keyword.split(" ").join("%")}%'")
+                  or shixuns.name like '%#{keyword.split(" ").join("%")}%'").distinct
 		end
 
 		## 筛选 状态