稍微加了一个背景
Merge remote-tracking branch 'origin/master'

Conflicts:
	image/back/backForNow.png
	src/main/java/ui/myUI/MyFrame.java
	src/main/java/ui/myUI/MyPanel.java
	src/main/java/ui/myUI/MyTextField.java
	src/main/java/ui/saleUI/Frame_Salesman.java