服务器未知运行时异常: 
### Error querying database.  Cause: java.sql.SQLSyntaxErrorException: Unknown column 'equipment_no' in 'field list'
### The error may exist in com/casic/missiles/mapper/plan/PlanMapper.java (best guess)
### The error may involve com.casic.missiles.mapper.plan.PlanMapper.selectMaxNo-Inline
### The error occurred while setting parameters
### SQL: SELECT IFNULL(max(RIGHT(equipment_no, 12)), 0) from eqpt_plan where plan_type = ?
### Cause: java.sql.SQLSyntaxErrorException: Unknown column 'equipment_no' in 'field list'
; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: Unknown column 'equipment_no' in 'field list'