获取微应用临时授权时报Invalid long错误

<%--requestOperateAuthCode接口需要最新的js  --%>
     <script type="text/javascript" src="http://g.alicdn.com/dingding/open-develop/1.5.1/dingtalk.js">  
        </script>



  //手机端使用dd.config
        dd.config({          //dd.config方法会对参数进行验证  
            agentId: _config.agentid,  //微应用的agentID
            corpId: _config.corpId,    //公司钉钉的id
            timeStamp: _config.timeStamp,//时间戳
            nonceStr: _config.nonceStr,//随机字符串
            signature: _config.signature,//本地生成的签名，传给钉钉服务器用来比较是否一致，一致的话说明成功了
            //type:"0",  
            jsApiList: [                              //需要调用的接口列表 ，必须先声明才可以用  
                'runtime.info',
                'biz.contact.choose',              //选择用户接口  
                'device.notification.confirm',     //confirm,alert,prompt都是弹出小窗口的接口    
                'device.notification.alert',
                'device.notification.prompt',
                'biz.util.openLink',    
                'biz.chat.pickConversation',
                'runtime.permission.requestOperateAuthCode'
            ]
        });



//获取微应用反馈式操作的临时授权码code
                        dd.runtime.permission.requestOperateAuthCode({
                            corpId:_config.corpId,
                            agentId:_config.agentid,
                            onSuccess:function(result){
                                alert("requestOperateAuthCode进来了")
                                var code=result.code;
                                alert("code:"+code);
                            },
                            onFail : function(err) {
                                alert('requestOperateAuthCode_fail: ' + JSON.stringify(err));
                            }
                        });