diff --git a/lib/zin/wg/backbtn/v1.php b/lib/zin/wg/backbtn/v1.php
index d8eeb44010..842bf0b571 100644
--- a/lib/zin/wg/backbtn/v1.php
+++ b/lib/zin/wg/backbtn/v1.php
@@ -44,8 +44,8 @@ class backBtn extends btn
 
         $backs = array(
             'task'           => 'execution-task,my-work,my-contribute,execution-tree,execution-grouptask,project-execution,product-track,repo-view,story-change,execution-kanban,execution-taskkanban,my-index,feedback-adminview,projectstory-track,execution-calendar,my-effort,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view',
-            'story'          => 'product-browse,projectstory-story,execution-story,my-work,my-contribute,productplan-view,build-view,projectbuild-view,product-track,repo-view,testcase-zerocase,my-index,feedback-adminview,projectstory-track,task-view,my-effort,demandpool-track,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view,ticket-browse',
-            'bug'            => 'bug-browse,project-bug,my-work,my-contribute,execution-bug,bug-view,qa-index,execution-task,product-track,execution-task,task-view,repo-view,story-change,repo-review,feedback-adminview,my-index,projectstory-track,my-effort,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view,ticket-browse',
+            'story'          => 'product-browse,projectstory-story,execution-story,my-work,my-contribute,productplan-view,build-view,projectbuild-view,product-track,repo-view,testcase-zerocase,my-index,feedback-adminview,projectstory-track,task-view,my-effort,demandpool-track,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view,ticket-browse,ticket-view',
+            'bug'            => 'bug-browse,project-bug,my-work,my-contribute,execution-bug,bug-view,qa-index,execution-task,product-track,execution-task,task-view,repo-view,story-change,repo-review,feedback-adminview,my-index,projectstory-track,my-effort,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view,ticket-browse,ticket-view',
             'testcase'       => 'testcase-browse,project-testcase,my-work,my-contribute,execution-testcase,testtask-cases,testsuite-view,product-browse,testcase-view,qa-index,caselib-browse,product-track,story-change,my-index,projectstory-track,my-effort,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view',
             'testsuite'      => 'testsuite-browse,testsuite-view,testtask-cases,my-index,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view',
             'testtask'       => 'testtask-browse,testtask-cases,qa-index,testcase-browse,execution-build,my-index,my-effort,product-dynamic,project-dynamic,execution-dynamic,project-view,execution-view',