Merge branch 'fix/gulpfile' into 'wrdp'

默认门户页面打开错误修复

See merge request o2oa/o2oa!2171

o2web/source/x_component_portal_Portal/Main.js

@@ -148,7 +148,7 @@ MWF.xApplication.portal.Portal.Main = new Class({
             this.getPageData(function(json){
                 this.options.pageId = this.portal.firstPage;
                 this.loadPortalPage();
-            });
+            }.bind(this));
         }
     },
     loadPortalPage: function(par, callback){