diff --git a/PPOCRLabel/PPOCRLabel.py b/PPOCRLabel/PPOCRLabel.py
index dd9d7701095bf396621ca26a8128064ef9cb2fe9..8cc4d837166c835183fdfea30c03a6edcf4a751d 100644
--- a/PPOCRLabel/PPOCRLabel.py
+++ b/PPOCRLabel/PPOCRLabel.py
@@ -885,16 +885,15 @@ class MainWindow(QMainWindow, WindowMixin):
             self.updateComboBox()
 
     def updateBoxlist(self):
+        self.canvas.selectedShapes_hShape = []
         if self.canvas.hShape != None:
-            for shape in self.canvas.selectedShapes + [self.canvas.hShape]:
-                item = self.shapesToItemsbox[shape]  # listitem
-                text = [(int(p.x()), int(p.y())) for p in shape.points]
-                item.setText(str(text))
+            self.canvas.selectedShapes_hShape = self.canvas.selectedShapes + [self.canvas.hShape]
         else:
-            for shape in self.canvas.selectedShapes:
-                item = self.shapesToItemsbox[shape]  # listitem
-                text = [(int(p.x()), int(p.y())) for p in shape.points]
-                item.setText(str(text))
+            self.canvas.selectedShapes_hShape = self.canvas.selectedShapes
+        for shape in self.canvas.selectedShapes_hShape:
+            item = self.shapesToItemsbox[shape]  # listitem
+            text = [(int(p.x()), int(p.y())) for p in shape.points]
+            item.setText(str(text))
         self.actions.undo.setEnabled(True)
         self.setDirty()
 
diff --git a/PPOCRLabel/libs/canvas.py b/PPOCRLabel/libs/canvas.py
index dbbcca70ffdbafe7613ea8ed6499990660955257..c3b7d43971190fa8ecc59f5cf58e2c9c7af1ee49 100644
--- a/PPOCRLabel/libs/canvas.py
+++ b/PPOCRLabel/libs/canvas.py
@@ -23,6 +23,7 @@ except ImportError:
 
 from libs.shape import Shape
 from libs.utils import distance
+import copy
 
 CURSOR_DEFAULT = Qt.ArrowCursor
 CURSOR_POINT = Qt.PointingHandCursor
@@ -81,6 +82,7 @@ class Canvas(QWidget):
         self.fourpoint = True # ADD
         self.pointnum = 0
         self.movingShape = False
+        self.selectCountShape = False
 
         #initialisation for panning
         self.pan_initial_pos = QPoint()
@@ -702,6 +704,10 @@ class Canvas(QWidget):
 
     def keyPressEvent(self, ev):
         key = ev.key()
+        shapesBackup = []
+        shapesBackup = copy.deepcopy(self.shapes)
+        self.shapesBackups.pop()
+        self.shapesBackups.append(shapesBackup)
         if key == Qt.Key_Escape and self.current:
             print('ESC press')
             self.current = None
@@ -720,6 +726,8 @@ class Canvas(QWidget):
 
     def moveOnePixel(self, direction):
         # print(self.selectedShape.points)
+        self.selectCount = len(self.selectedShapes)
+        self.selectCountShape = True
         for i in range(len(self.selectedShapes)):
             self.selectedShape = self.selectedShapes[i]
             if direction == 'Left' and not self.moveOutOfBound(QPointF(-1.0, 0)):
@@ -746,6 +754,9 @@ class Canvas(QWidget):
                 self.selectedShape.points[1] += QPointF(0, 1.0)
                 self.selectedShape.points[2] += QPointF(0, 1.0)
                 self.selectedShape.points[3] += QPointF(0, 1.0)
+            shapesBackup = []
+            shapesBackup = copy.deepcopy(self.shapes)
+            self.shapesBackups.append(shapesBackup)
             self.shapeMoved.emit()
             self.repaint()
 
@@ -842,6 +853,10 @@ class Canvas(QWidget):
     def restoreShape(self):
         if not self.isShapeRestorable:
             return
+        if self.selectCountShape:
+            if len(self.shapesBackups) > 2:
+                for i in range(1,self.selectCount):
+                    self.shapesBackups.pop()
         self.shapesBackups.pop()  # latest
         shapesBackup = self.shapesBackups.pop()
         self.shapes = shapesBackup