leftnum

controllers/book/book.go

@@ -109,6 +109,7 @@ func (c *BookController) SaveBook() {
 
 	if book.BookId == "" {
 		book.OrgId = org.OrgId
+		book.LeftNum = book.InStock
 		err := c.serv.AuthBook(book)
 		if err != nil {
 			c.ResponseError(err)