添加时间戳给callbackId
$.ajax({ type: "get", url: url, timeout: 6000, data: param, cache: false, dataType: "jsonp", jsonpCallback: "jsoncallback" + new Date().getTime(), success: function(data) { if (data != null) { fun(data); } }, error: function() { Fui.loading.hide(); Fui.tips('网络错误,请重试', 'success'); } });