if exists (select * from PPT_TF_Document where TFBH=@tfbh)
begin
update PPT_TF_Document set RAIN=@rain,WATER=@water,DISASTER=@disaster,URL=@url where TFBH=@tfbh
end
else
begin
insert into PPT_TF_Document(TFBH,RAIN,WATER,DISASTER,URL) values(@tfbh,@rain,@water,@disaster,@url)
end