全局错误码

<table> <thead> <tr> <th>错误码</th> <th>错误解释</th> </tr> </thead> <tbody> <tr> <td>000</td> <td>成功</td> </tr> <tr> <td>900</td> <td>内部错误</td> </tr> <tr> <td>901</td> <td>验签失败</td> </tr> <tr> <td>902</td> <td>幂等失败</td> </tr> <tr> <td>903</td> <td>时间戳验证失败</td> </tr> <tr> <td>904</td> <td>验证参数非法</td> </tr> <tr> <td>905</td> <td>企业不存在</td> </tr> <tr> <td>906</td> <td>企业不可用</td> </tr> </tbody> </table>