auto save

client.py

@@ -9,9 +9,15 @@ class Note():       # 便签、笔记
         self.root.geometry('300x340+1000+200')
         self.root.title("我的便签-待办事项")
         self.root.resizable(width=False, height=False)  
+        self.bg_img = tkinter.PhotoImage(file="duck.png")
 
     def show(self):     # 布置窗口界面
         # 输入框
+        self.canvas = tkinter.Canvas(self.root,width=300,height=340,
+                      bg="lightblue")
+        self.canvas.create_image(0,0,image=self.bg_img)
+
+        self.canvas.place(x=0,y=0) 
         self.ent = tkinter.Entry(self.root, show=None, 
                    font=('宋体', 13), bg="snow", width=25)
         self.ent.place(x=10, y=310)
@@ -20,8 +26,8 @@ class Note():       # 便签、笔记
                    bg="lightblue", width=5, command=self.get_info)
         self.but.place(x=240, y=305)
 
-    def get_info(self):
-        pass
+    def get_info(self):       
+            pass              
 
 app = Note()
 app.show()