```javascript
WXAPI.mtjStatistics()
```
```json
{
"code": 0,
"data": {
"balance": 1753.64183400000000,
"balanceStr": "1753.64183400000000",
"left": 20998246.35816600000000,
"leftStr": "20998246.35816600000000",
"total": 21000000,
"totalStr": "21000000"
},
"msg": "success"
}
```
+ balance 当前已挖掘的总计余额
+ total 总计发行数量，系统参数后台维护：mjt_total_amount
+ left 剩余可挖掘数量，total-balance