请各位大神帮忙看看触发器的有关问题

CREATE TRIGGER [TR_UPDATACPTK001] ON ACPTKFOR UPDATE,INSERTAS    DECLARE       @TD001 CHAR(04),    @TD002 CHAR(11),    @TD003 CHAR(04),    @TD005 VARCHAR(60),    @TD006 VARCHAR(60),    @TD008 NUMERIC(16,6),    @TD010 NUMERIC(17,8),    @TK017 CHAR(4),    @TK018 CHAR(11)            BEGIN TRANSACTION    SET NOCOUNT ON    SELECT @TK017=TK017,@TK018=TK018 FROM INSERTED    SELECT @TD001=TD001,@TD002=TD002,@TD003=TD003,@TD005=TD005,@TD006=TD006,@TD008=TD008,@TD010=TD010        FROM PURTD WHERE [email protected] AND [email protected]    UPDATE ACPTK SET [email protected],[email protected],[email protected],[email protected]        WHERE @TD003='0001' AND [email protected] AND [email protected]    UPDATE ACPTK SET [email protected],[email protected],[email protected],[email protected]       WHERE @TD003='0002' AND [email protected] AND [email protected]    SET NOCOUNT OFFCOMMIT TRANSACTION