diff --git a/.DS_Store b/.DS_Store
index 4835041..d44b166 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/README.md b/README.md
index 25fc0d3..47c8ac5 100755
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 <span>![haveaniceday1.jpg](https://i.loli.net/2020/06/16/4itfwPGem9jAS3Y.jpg)</span>
 <br>
 
-![mainwindow](https://i.loli.net/2020/06/03/wlFETiSCPmx29hI.png)
+![mainwindow.png](https://i.loli.net/2020/06/16/1TDvqCOnFmegUsy.png)
 
 ## CHANGE LOG
 [ChangeLog](changelog.md) 这里记录迭代过程，及过程中记录的一些功能的想法,
diff --git a/changelog.md b/changelog.md
index 61ddcf6..3e26d33 100644
--- a/changelog.md
+++ b/changelog.md
@@ -65,7 +65,7 @@ b['1']['2'] = {'3':1}  # OK
 - creat constant class for all constant
 - creat config dialog to do some constant configuration
 - creat xman class for all clipping manipulation
-- design config dialog & statusbar information![statusbar & config dialog](https://i.loli.net/2020/06/04/zg4W6M1bUPch2vB.jpg)
+- design config dialog & statusbar information
 
 ## learn lesson
 - generate ui source(.py) use pyqtuic will 'import kmanapp\_rc',
diff --git a/design/mainwindow.png b/design/mainwindow.png
new file mode 100644
index 0000000..5284421
Binary files /dev/null and b/design/mainwindow.png differ