全局错误码

<table> <thead> <tr> <th>错误码</th> <th>错误解释</th> </tr> </thead> <tbody> <tr> <td>4_00001</td> <td>用户不存在</td> </tr> <tr> <td>4_00002</td> <td>登录失败</td> </tr> <tr> <td>4_00003</td> <td>登录失败过多</td> </tr> <tr> <td>4_00004</td> <td>发送次数太多</td> </tr> <tr> <td>4_00005</td> <td>参数错误</td> </tr> <tr> <td>4_00006</td> <td>注册太频繁</td> </tr> <tr> <td>4_00007</td> <td>邮箱已被注册</td> </tr> <tr> <td>4_00008</td> <td>验证码错误</td> </tr> <tr> <td>4_00009</td> <td>二维码不存在</td> </tr> <tr> <td>4_00010</td> <td>二维码过期</td> </tr> <tr> <td>4_00011</td> <td>二维码已确认</td> </tr> </tbody> </table>