java.sql.SQLException: Column count doesn't match value count at row 1 Query: insert into category values(null,?,?,?) Parameters: [1111111, 1111, 软件]

java.sql.SQLException

问题：

java.sql.SQLException: Column count doesn't match value count at row 1 Query: insert into category values(null,?,?,?) Parameters: [1111111, 1111, 软件]、

 我应该插入contract表的