小程序提交体验版本 返回报错？

调用 微信 wxa/commit 提交post请求array(4) {

  ["template_id"] => int(315)

  ["ext_json"] => string(179) "{"extEnable":true,"extAppid":"wx49af3527ee1bd627","directCommit":false,"ext":{"name":"wechat","attr":{"wechatid":"17","mpWechatid":"3","ver":"v2_4","mver":"v2.8.9.0","platid":0}}}"

  ["user_version"] => string(8) "v2.8.9.0"

  ["user_desc"] => string(2) "11"

} 返回errcode":-1,"errmsg":"system error hint: [jEbde9VhE-qYd7FA]