save project

my_client.py

@@ -39,7 +39,7 @@ class Note():  # 便签、笔记
     def remove(self):
         num = self.v.get()
         alist.pop(num)
-        self.c.destroy()
+        self.canvas.destroy()
         app.show()
     def get_info(self):
         info = self.ent.get()