1. book_template
   1. id (book_template_id)
   2. biz_id
   3. name
   4. title_img
   5. description
   6. show_items
      1. ...
         1. title
         2. img
         3. text
   7. page_count (max_page_count?)
   8. page_property
      1. height
      2. width
      3. bg_color
         1. default:#ffffff
      4. bg_img
      5. font
      6. font_size
      7. font_color
      8. font_italic
   9. page_templates
      1. front_cover
         1. ...
            1. template
      2. back_cover
         1. ...
            1. template
      3. pages
         1. ...
            1. template
            2. id (template_id)
            3. page_property
            4. bg_color
            5. bg_img
            6. font
            7. font_size
            8. font_color
            9. font_italic
            10. text_max_count
            11. blocks
            12. block
            13. id (block_id)
            14. type
            15. img
            16. text
            17. z_index
            18. 0...10
            19. property
            20. font
            21. font_size
            22. font_color
            23. font_italic
            24. text_max_count
            25. position
            26. anchor_point
            27. top-left(default)
            28. top-right
            29. bottom-left
            30. bottom-right
            31. x_offset
            32. y_offdet
            33. width
            34. height
            35. x_extend
            36. false(default)
            37. true
            38. y_extend
            39. false(default)
            40. true
            41. max_width
            42. max_height
            43. img
            44. uri
            45. scale
            46. x_offset
            47. y_offset
            48. text
            49. ctrl
            50. editable
            51. moveable
            52. ...
            53. can_be_cover
            54. false(default)
   10. style
       1. ...
   11. resource
       1. img(url)
       2. font(url)
       3. ......
2. style_template
   1. ...
      1. id
      2. name
      3. title_img
      4. description
      5. bg_color
      6. bg_img
         1. front_cover
         2. back_cover
         3. pages
            1. img
            2. ……
         4. page_order
            1. (default 随机) 0
            2. 顺序 1
      7. font
      8. font_color
      9. font_size
      10. font_italic
3. photo_book
   1. id
   2. user_id
   3. create_time
   4. book_template_id
   5. page_count
   6. page_property
      1. bg_color
      2. bg_img
      3. font
      4. font_size
      5. font_color
      6. font_italic
   7. front_cover
      1. template_id
      2. ...
   8. back_cover
      1. template_id
      2. ...
   9. pages
      1. ...
         1. template_id
         2. page_property
            1. bg_color
            2. bg_img
            3. font
            4. font_size
            5. font_color
            6. font_italic
         3. blocks
            1. 1 (block_id)
            2. property
            3. font
            4. font_size
            5. font_color
            6. font_italic
            7. img
            8. uri
            9. x_offset
            10. y_offset
            11. scale
            12. text
            13. 2
            14. ...
4. import_data
   1. order
      1. asc
      2. random (default)
   2. items
      1. ...
         1. title
         2. text
         3. img_uri
         4. create_time
         5. audio
         6. ext
            1. position
            2. ...