返回的结果是{“errcode”:85013,“errmsg”:“invalid ext_json, maybe path(page, icon…) is not found in the template hint: [q4WW5a0140dx24]”}

POST数据为：{“ext_json”:"{extAppid:\“xxxxxxxxxxxx\”, ext:{ \“attr1\”:\“value1\”}, extPages:{ }, pages:[\“page/index/index\”, \“page/users/users\”], \“window\”:{ }, \“networkTimeout\”:{ }, \“tabBar\”:{\“list\”: [{\“selectedIconPath\”: \“resources/cbt-icon.png\”,\“pagePath\”: \“page/index/index\”,\“iconPath\”: \“resources/cbt-icon.png\”,\“text\”: \“附近\”},{\“selectedIconPath\”:\“resources/cbt-icon.png\”,\“pagePath\”: \“page/users/users\”,\“iconPath\”:\“resources/cbt-icon.png\”,\“text\”:\“我的\”}]}}",“user_version”:“v1.2.1”,“user_desc”:“xxxxxx”,“template_id”:5}

请问各位打卡这是什么问题，急！！！！