各位大佬请问我在nutzwk里用ig主键生成器，添加报错，是我使用方法有问题吗？

    @Column
    @Name
    @Comment("ID")
    @ColDefine(type = ColType.VARCHAR, width = 32)
    @Prev(els = {@EL("ig(view.cust_zjk,'S')")})
    private String id;

[DEBUG] 2018-08-24 16:00:09,843 org.nutz.mvc.impl.UrlMappingImpl.get(UrlMappingImpl.java:101) - Found mapping for [POST] path=/platform/cust/zjk/addDo : CustZjkController.addDo(CustZjkController.java:57)
[DEBUG] 2018-08-24 16:00:09,845 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:166) - Get 'custZjkController'<class cn.wizzer.app.web.modules.controllers.platform.cust.CustZjkController>
[DEBUG] 2018-08-24 16:00:10,043 org.nutz.dao.impl.sql.run.NutDaoExecutor.printSQL(NutDaoExecutor.java:388) - // NOT SQL // ElFieldMacro=ig(view.cust_zjk,'S')
[DEBUG] 2018-08-24 16:00:10,044 org.nutz.plugins.cache.dao.CachedNutDaoExecutor.exec(CachedNutDaoExecutor.java:110) - Exception when parser SQL sql, skip cache detect!! SQL=RUN 
[DEBUG] 2018-08-24 16:00:10,049 org.nutz.ioc.impl.NutIoc.get(NutIoc.java:166) - Get 'sLogService'<class cn.wizzer.app.web.commons.slog.SLogService>
[DEBUG] 2018-08-24 16:00:10,118 cn.wizzer.app.web.commons.processor.LogTimeProcessor.process(LogTimeProcessor.java:26) - [POST]URI=/platform/cust/zjk/addDo 273ms
[DEBUG] 2018-08-24 16:00:10,222 org.nutz.dao.impl.sql.run.NutDaoExecutor.printSQL(NutDaoExecutor.java:388) - INSERT INTO sys_log_201808(username,type,tag,src,ip,msg,param,result,opBy,opAt,delFlag) VALUES(?,?,?,?,?,?,?,?,?,?,?) 
    |     1 |        2 |        3 |                                                                           4 |               5 | 6 | 7 | 8 |                                9 |         10 |    11 |
    |-------|----------|----------|-----------------------------------------------------------------------------|-----------------|--|--|--|----------------------------------|------------|-------|
    | 超级管理员 | platform | Cust_zjk | cn.wizzer.app.web.modules.controllers.platform.cust.CustZjkController#addDo | 0:0:0:0:0:0:0:1 |  |  |  | a1eea5d76a40467b95314be119a0a5bc | 1535097610 | false |
  For example:> "INSERT INTO sys_log_201808(username,type,tag,src,ip,msg,param,result,opBy,opAt,delFlag) VALUES('超级管理员','platform','Cust_zjk','cn.wizzer.app.web.modules.controllers.platform.cust.CustZjkController#addDo','0:0:0:0:0:0:0:1','','','','a1eea5d76a40467b95314be119a0a5bc',1535097610,false) "
[DEBUG] 2018-08-24 16:00:25,277 org.quartz.impl.jdbcjobstore.JobStoreSupport$MisfireHandler.manage(JobStoreSupport.java:3949) - MisfireHandler: scanning for misfires...