使用一段时间后，一些按钮无效

0) { $.post(createLink('user', 'behavior'), { referrer: document.referrer, url: '/contactus', title: '联系我们', timestamp: Date.parse(new Date()) / 1000 }); } else { var userBehaviorData = JSON.parse(localStorage.getItem('userBehavior')); if(!userBehaviorData){ userBehaviorData = []; } userBehaviorData.push({ referrer: document.referrer, url: '/contactus', title: '联系我们', timestamp: Date.parse(new Date()) / 1000 }) localStorage.setItem('userBehavior', JSON.stringify(userBehaviorData)); } });