borrow
id: int()user: blob()user_id: int()equip: blob()equip_id: int()status: int()number: int()
news
id: int()news: varchar()
equip_category
id: int()name: varchar()
equip
id: int()name: varchar()equip_category: blob()number: int()info: varchar()
message
id: int()message: varchar()user: blob()
user
id: int()username: varchar()password: varchar()
