README.md in ld-0.2.6 vs README.md in ld-0.2.7

@@ -6,29 +6,10 @@
 Basically has the following Class.
 
 
 ```ruby
 module Ld
-  class Excel
-  end
-  class Sheets
-  end
-
-  class File
-  end
-  class Files
-  end
-
-  class Print
-  end
-
-  module Project
-    class Structure
-    end
-    class Parse
-    end
-  end
 end
 ```
 ## Introduction to the
 
 设计这个gem,我希望可以帮助大家在开发简单rails应用时,可以帮助大家完成50%以上的简单而重复的工作
@@ -62,32 +43,40 @@
     $ rails c
 
 Then, can do this:
 
 ```ruby
-# Print model, Need to change the User model to exist, to run again
-Ld::Table.p User.all, 'id , created_at'
+# Project details to /project.xls 查看项目详情,会生成xls文件,在: /project.xls
+Ld::Project.new.to_xls
 
+# Read xls
+Ld::Excel.open('project.xls').read('models?a1:j100-f,h,i')
+Ld::Excel.open('project.xls').read('tables?a1:i300')
+
 # Create xls, Need to change the file path to your own, and then run
-Ld::Excel.create '/Users/liudong/Desktop/excel_test.xls' do |excel|
+Ld::Excel.create 'excel_test.xls' do |excel|
   excel.write_sheet 'sheet1' do |sheet|
     sheet.set_format({color: :red, font_size: 11, font: '宋体'})
     sheet.set_headings ['title1','title2','title3']
     sheet.set_point 'a1'
-    (1..10).to_a.each do |i|
-      sheet.add_row i.times.map{|j| j}
-    end
+    sheet.set_rows [
+      [1,2,3,4,5],
+      [1,2,3,4],
+      [1,2,3],
+      [1,2],
+      [1],
+    ]
   end
 end
+Ld::Excel.open('excel_test.xls').read('sheet1?a1:g6')
 
-# Read xls
-Ld::Excel.open('/Users/liudong/Desktop/excel_test.xls').read('sheet1?a1:e10')
+# Print model, Need to change the User model to exist, to run again
+Ld::Print.p User.first(10), 'id ,name, created_at'
 
-# Read Dir
-Ld::File.open_dir('dir_path').children.each{|f| puts f.path}
-
-# Project Structure details to /project.xls 查看项目详情,会生成xls文件,在: /project.xls
-Ld::Project::Structure.new(Ld::File.new(Rails.root.to_s)).generate
+# Read dir or file
+Ld::File.new('Gemfile').lines.each{|l| puts l}
+Ld::File.new('app').models.children.each{|f| puts f.name}
+Ld::File.new('app').views.search_files(/.html/).each{|f| puts "#{f.father.name} : #{f.name}"}
 
 ```
 
 ## Development
 
\ No newline at end of file