diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index 884e32a8..92173fc3 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -396,7 +396,7 @@ class ManagementsController < ApplicationController
   # 搜索镜像
   def mirror_search
     @scope = []
-    if params[:q] && params[:q].lstrip.rstrip != ""
+    if params[:q] && params[:q].strip != ""
       @scope = MirrorRepository.where("name like ?", "%#{params[:q]}%").map(&:name)
     end
     respond_to do |format|