function saveData() {
        var param = {};
        var tabName = $("#tabName").val();
        if(tabName && tabName.length <= 20){
            param['tabName'] = tabName;
        }
        var tabRuleType = $("#tabRuleType").val();
        if(tabRuleType){
            param['tabRuleType'] = tabRuleType;
        }
        var tabRuleRemarks = $("#tabRuleRemarks").val();
        if(tabRuleRemarks){
            param['tabRuleRemarks'] = tabRuleRemarks;
        }
        var tabColor = $("#tabColor").combogrid('getValue');
        if(tabColor){
            param['tabColor'] = tabColor;
        }
        $.ajax({
            url: '/app/cm/v2/custtab/saveCustTab.do',
            type:"POST",
            contentType:"application/json;charset=UTF-8",
            data: param,
            success: function (rsp) {
                var jsonMsg = eval('(' + rsp + ')');
                if (jsonMsg.code == '1') {
                    fh.success(jsonMsg.message, null, {time: 1});
                    api.close();
                    //调用父页面刷新方法
                    w.reflushed();
                } else {
                    fh.alert(jsonMsg.message);
                }
            },
            error: function (mes) {
                window.parent.fh.alert(mes, null, null, "服务器忙，稍候请重试！");
            }
        });
    }

问题就在  type:"POST" 这边的设置上，需要设置成  type:"GET",或者去掉，因为ajax中type默认是"GET"