下面两种发放，都出现了错误。
存储过程在Management Studio中是可以正确执行的。

/*
		//
		//String bakSQL = "exec up_clear_db() ";//
		//Sql sql=Sqls.create(bakSQL);
		*/
		//
		String bakSQL = "call up_clear_db() ";
		Sql sql=Sqls.fetchEntity(bakSQL);
		
		DBFactory.getDao().execute(sql);

错误为

Caused by: org.nutz.dao.DaoException: !Nutz SQL Error: 'call up_clear_db()'
PreparedStatement: 
'call up_clear_db()'
	at org.nutz.dao.impl.sql.run.NutDaoExecutor.exec(NutDaoExecutor.java:95)
	at org.nutz.dao.impl.DaoSupport$DaoExec.invoke(DaoSupport.java:250)
	at org.nutz.dao.impl.sql.run.NutDaoRunner.run(NutDaoRunner.java:64)
	... 32 more
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Incorrect syntax near ')'.
	at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:197)
	at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1493)