全局错误码

<table> <thead> <tr> <th>错误码</th> <th>错误解释</th> </tr> </thead> <tbody> <tr> <td>0</td> <td>成功</td> </tr> <tr> <td>1001</td> <td>用户名已被使用</td> </tr> <tr> <td>1002</td> <td>学号已绑定</td> </tr> <tr> <td>1003</td> <td>教务处认证失败</td> </tr> <tr> <td>1004</td> <td>Token过期</td> </tr> <tr> <td>2001</td> <td>未结束战局过多</td> </tr> <tr> <td>2002</td> <td>出千</td> </tr> <tr> <td>2003</td> <td>不合法墩牌</td> </tr> <tr> <td>2003</td> <td>战局不存在或以结束</td> </tr> <tr> <td>3001</td> <td>战局不存在或未结束</td> </tr> <tr> <td>3002</td> <td>玩家不存在</td> </tr> </tbody> </table>