diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 85c22e661..d8fdb601d 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -284,7 +284,7 @@ class ShixunsController < ApplicationController
               raise "sync failed" if @shixun.gpid.blank?
             rescue Exception => e
               @shixun.update_attribute(:gpid, nil)
-              if @repository.id
+              if @repository && @repository.id
                 @repository.destroy
               end
             end
diff --git a/app/views/repositories/show.html.erb b/app/views/repositories/show.html.erb
index c5fa4876c..319fc9a4d 100644
--- a/app/views/repositories/show.html.erb
+++ b/app/views/repositories/show.html.erb
@@ -2,7 +2,7 @@
   <div class="repository_con" style="line-height:1.9;">
     <ul class="clearfix pro-top-info mb10">
       <li><i class="icon-time mr5 c_grey02 f16 fb"></i>
-        <%=link_to "#{choise_commit_count(@changesets_all_count, @g_project.commit_count.to_i)}",
+        <%=link_to "#{choise_commit_count(@changesets_all_count.to_i, @g_project.commit_count.to_i)}",
                    {:action => 'changes', :path => to_path_param(@path), :id => @project, :repository_id => @repository.identifier_param,
                     :rev => @rev, :page => 1 ,:commit_count =>"#{@changesets_all_count}"}, :class => "linkBlue fb" %> 提交
       </li>