{"success":false,"msg":"Uncaught exception 'InvalidArgumentException' with message 'Malformed UTF-8 characters, possibly incorrectly encoded' in D:\\magapp4.0\\thinkphp\\library\\think\\response\\Json.php:39\nStack trace:\n#0 D:\\magapp4.0\\thinkphp\\library\\think\\Response.php(312): think\\response\\Json->output(Array)\n#1 D:\\magapp4.0\\thinkphp\\library\\think\\Response.php(108): think\\Response->getContent()\n#2 D:\\magapp4.0\\thinkphp\\library\\think\\Error.php(47): think\\Response->send()\n#3 [internal function]: think\\Error::appException(Object(think\\exception\\HttpException))\n#4 {main}\n thrown at thinkphp\\library\\think\\response\\Json.php line 39","code":0}