问SQL 02291:违反完整性约束-找不到父键

EN

create table passenger_card2
(
    phone char(20) primary key,
    name char(20)
);

create table card
(
    card_num char(20) primary key,
    balance number(10,2),
    cvn char(20) 
);

create table passenger_card1
(
    sin integer primary key,
    user_id char(20) not null unique,
    phone char(20),
    card_num char(20) unique,
    foreign key(phone) references passenger_card2,
    foreign key (card_num) references card
);

INSERT INTO PASSENGER_CARD2 VALUES ( '111222333' , 'Ace');
INSERT INTO CARD VALUES ( '1000' , '100.1' , '110');
INSERT INTO PASSENGER_CARD1 VALUES ('100', 'aaaa', '111222333', '1000');