user
user
store
store
new_order
new_order
购买
购买
出售
出售
user_id
user_id
password
password
balance
balance
user_store
user_store
店主
店主
开店
开店
user_id
user_id
store_id
store_id
store_id
store_id
book_id
book_id
book_info
book_info
stock_level
stock_level
order_id
order_id
user_id
user_id
store_id
store_id
book
book
关于
关于
book_id
book_id
book_info
book_infoViewer does not support full SVG 1.1