diff --git a/www/zentaoclient.css b/www/zentaoclient.css
index 0505957341..53084502db 100644
--- a/www/zentaoclient.css
+++ b/www/zentaoclient.css
@@ -1,7 +1,7 @@
 body.xxc-embed #menu {display: none!important;}
 body.xxc-embed #appsBar, body.xxc-embed #apps {left: 0!important;}
 body.xxc-embed #userMenu-toggle {display: none;}
-body.xxc-embed #toolbar {position: fixed; right: 130px; height: 47px; z-index: 9999;}
+body.xxc-embed #toolbar {position: fixed; right: 130px; height: 47px; z-index: 100;}
 body.xxc-embed .re-login-btn {display: none;}
 body.xxc-embed .messagers {bottom: 40px !important;}
 body.xxc-embed #userDropDownMenu {display: none !important;}