diff --git a/jshERP-web/public/static/android-code.png b/jshERP-web/public/static/android-code.png
index 7c9bd50a..48a9489e 100644
Binary files a/jshERP-web/public/static/android-code.png and b/jshERP-web/public/static/android-code.png differ
diff --git a/jshERP-web/public/static/iphone-code.png b/jshERP-web/public/static/iphone-code.png
index e8e0695c..f07d3aec 100644
Binary files a/jshERP-web/public/static/iphone-code.png and b/jshERP-web/public/static/iphone-code.png differ
diff --git a/jshERP-web/public/static/weixin-code.png b/jshERP-web/public/static/weixin-code.png
index d507b5a5..0ade608b 100644
Binary files a/jshERP-web/public/static/weixin-code.png and b/jshERP-web/public/static/weixin-code.png differ
diff --git a/jshERP-web/public/static/weixin.jpg b/jshERP-web/public/static/weixin.jpg
index 54a3d423..ec1017d1 100644
Binary files a/jshERP-web/public/static/weixin.jpg and b/jshERP-web/public/static/weixin.jpg differ