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+----------+ | user | |----------| |id | <---+ |user | | |passwd | | |nickname | | |status | | +----------+ | 1:n +-----------+ | +-----------+ | feedback | | | news | |-----------| | |-----------| |id | | +-->|id | |title | | | |title | |content | | | |content | |datetime | | 1:n |datetime | |status | | | |status | |user_id |o---+ | |user_id | |news_id |o------+ +-----------+ +-----------+