auto save

client.py

@@ -15,6 +15,7 @@ class Note():       # 便签、笔记
         self.canvas = tkinter.Canvas(self.root,width=300,height=340,bg='lightblue')
         self.canvas.create_image(0,0,image=self.bg_img,anchor=NW)
         self.canvas.place(x=0,y=0)     # 布置窗口
+        
         # 输入框
         self.ent = tkinter.Entry(self.root, show=None, 
                    font=('宋体', 13), bg="snow", width=25)