delete from z_shouxin;
delete from z_shouxinentry;
delete from z_dengjientry;
delete from z_shenpi;
delete from z_shenpientry;
delete from z_gongzuo;
delete from z_gongzuoentry;
delete from z_plan
delete from z_shouxin;
delete from z_shouxinentry;
delete from z_dengjientry;
delete from z_shenpi;
delete from z_shenpientry;
delete from z_gongzuo;
delete from z_gongzuoentry;
delete from z_plan