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>