string(5) "
" array(7) { ["code"]=> int(0) ["msg"]=> string(42) "通道不存在,请检查是否未开启" ["sign_type"]=> string(3) "MD5" ["ins_id"]=> string(10) "M856437352" ["app_id"]=> string(16) "APP_896564793562" ["data"]=> array(0) { } ["sign"]=> string(32) "B5746006C721ABFF1650C26C3AB0ECC9" }