精易模块自带的类json无法正常取值

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1. mtopjsonp1({"api":"mtop.alimama.union.hsf.coupon.get","data":{"message":"","result":{"couponFlowLimit":"false","item":{"biz30Day":"204","clickUrl":"///t?e=m%3D2%26s%3DRoccTbQnYrpw4vFB6t2Z2ueEDrYVVa64LKpWJ%2Bin0XLjf2vlNIV67oOJ2Cdx2C8OmSMhGfkQJ74QV6mTaAYvd4F8hnbJGRfYX0OWqIwxav%2BII05yACRf7lzD4g%2BlBXfo1fc%2FaIVzme4ImIqb%2BAcbixURZ0VfrQpDSsR%2FnadkI81xDygIL4WGYSYsGz76mvYbQAp4Hjh%2FFLob6qwuH8i0UMYl7w3%2FA2kb&pvid=24604209","discountPrice":"29.9","itemId":"565469766866","picUrl":"//gaitaobaotfscom/i1/1753092764/TB2AHqub7OWBuNjSsppXXXPgpXa_!!1753092764.jpg","postFree":"1","reservePrice":"58","shareUrl":"//uland.taobao.com/coupon/edetail?e=r2TCXNGBPswGQASttHIRqSfwL%2FtqpqXDD8PPkUr2oYQdRAklSM5tEW3e%2Bpt1ecaWZJAHkQJm1wkddcyU2vvSCD%2Fp%2BGym%2F9A0co%2BoiN8OaTg3djWqqJtHtA%3D%3D&mt=1","title":"夏季儿童舞蹈服分体女童芭蕾练功服短袖幼儿拉丁舞裙考级服装新款","tmall":"0"},"pid":"mm_29638408_11318090_40024418","retStatus":"2","shopLogo":"//img.alicdauploaded//8e/12/TB1W8vZNVXXXXbEXFXXSutbFXXX.jpg","shopName":"华艺表演服批发厂家","src":"24604209"},"success":"true"},"ret":["SUCCESS::调用成功"],"v":"1.0"})

复制代码

以上是josn原文本。需要取出的是：565469766866
但是用精易模块自带的类 json无法正常取到这个值是怎么回事呀？用精易助手里获取的代码也不行。
别的json模块的可以取，也可以用文本取中间取出来，但是我就想知道如何用精易模块自带的类json取出这个值。大家看下这个是不是敬意模块的bug呀

caffee

可以吧

json.解析 (#常量1)
调试输出 (json.取通用属性 (“data.result.item.itemId”))

7ian

mtopJSonp1(xxxxxxxx)
只要解析xxxxxxxx 部分就可以