diff --git a/Cache.cach b/Cache.cach
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/Label.txt b/Label.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/PPOCRLabel/PPOCRLabel.py b/PPOCRLabel/PPOCRLabel.py
index 6477ea0702..0e030742ce 100644
--- a/PPOCRLabel/PPOCRLabel.py
+++ b/PPOCRLabel/PPOCRLabel.py
@@ -61,7 +61,7 @@ from combobox import ComboBox
 from libs.constants import *
 from libs.utils import *
 from libs.settings import Settings
-from libs.shape import Shape, DEFAULT_LINE_COLOR, DEFAULT_FILL_COLOR
+from libs.shape import Shape, DEFAULT_LINE_COLOR, DEFAULT_FILL_COLOR,DEFAULT_LOCK_COLOR  
 from libs.stringBundle import StringBundle
 from libs.canvas import Canvas
 from libs.zoomWidget import ZoomWidget
@@ -395,6 +395,7 @@ class MainWindow(QMainWindow, WindowMixin):
 
         delete = action(getStr('delBox'), self.deleteSelectedShape,
                         'backspace', 'delete', getStr('delBoxDetail'), enabled=False)
+        
         copy = action(getStr('dupBox'), self.copySelectedShape,
                       'Ctrl+C', 'copy', getStr('dupBoxDetail'),
                       enabled=False)
@@ -405,6 +406,7 @@ class MainWindow(QMainWindow, WindowMixin):
         showAll = action(getStr('showBox'), partial(self.togglePolygons, True),
                          'Ctrl+A', 'hide', getStr('showAllBoxDetail'),
                          enabled=False)
+            
 
         help = action(getStr('tutorial'), self.showTutorialDialog, None, 'help', getStr('tutorialDetail'))
         showInfo = action(getStr('info'), self.showInfoDialog, None, 'help', getStr('info'))
@@ -476,6 +478,10 @@ class MainWindow(QMainWindow, WindowMixin):
 
         undo = action(getStr("undo"), self.undoShapeEdit,
                       'Ctrl+Z', "undo", getStr("undo"), enabled=False)
+        
+        lock = action(getStr("lockBox"), self.lockSelectedShape,
+                      None, "lock", getStr("lockBoxDetail"),
+                      enabled=False)
 
         self.editButton.setDefaultAction(edit)
         self.newButton.setDefaultAction(create)
@@ -538,13 +544,13 @@ class MainWindow(QMainWindow, WindowMixin):
                               fitWindow=fitWindow, fitWidth=fitWidth,
                               zoomActions=zoomActions, saveLabel=saveLabel,
                               undo=undo, undoLastPoint=undoLastPoint,open_dataset_dir=open_dataset_dir,
-                              rotateLeft=rotateLeft,rotateRight=rotateRight,
+                              rotateLeft=rotateLeft,rotateRight=rotateRight,lock=lock,
                               fileMenuActions=(
                                   opendir,  open_dataset_dir, saveLabel,  resetAll, quit),
                               beginner=(), advanced=(),
                               editMenu=(createpoly, edit, copy, delete,singleRere,None, undo, undoLastPoint,
-                                        None, rotateLeft, rotateRight, None, color1, self.drawSquaresOption),
-                              beginnerContext=(create, edit, copy, delete, singleRere, rotateLeft, rotateRight,),
+                                        None, rotateLeft, rotateRight, None, color1, self.drawSquaresOption,lock),
+                              beginnerContext=(create, edit, copy, delete, singleRere, rotateLeft, rotateRight,lock),
                               advancedContext=(createMode, editMode, edit, copy,
                                                delete, shapeLineColor, shapeFillColor),
                               onLoadActive=(
@@ -998,6 +1004,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.actions.delete.setEnabled(n_selected)
         self.actions.copy.setEnabled(n_selected)
         self.actions.edit.setEnabled(n_selected == 1)
+        self.actions.lock.setEnabled(n_selected)
 
     def addLabel(self, shape):
         shape.paintLabel = self.displayLabelOption.isChecked()
@@ -1041,7 +1048,7 @@ class MainWindow(QMainWindow, WindowMixin):
     def loadLabels(self, shapes):
         s = []
         for label, points, line_color, fill_color, difficult in shapes:
-            shape = Shape(label=label)
+            shape = Shape(label=label,line_color=line_color)
             for x, y in points:
 
                 # Ensure the labels are within the bounds of the image. If not, fix them.
@@ -1065,8 +1072,10 @@ class MainWindow(QMainWindow, WindowMixin):
             #     shape.fill_color = generateColorByText(label)
 
             self.addLabel(shape)
+ 
         self.updateComboBox()
         self.canvas.loadShapes(s)
+         
 
     def singleLabel(self, shape):
         if shape is None:
@@ -1322,6 +1331,7 @@ class MainWindow(QMainWindow, WindowMixin):
                 ###
                 self.iconlist.clear()
                 self.additems5(None)
+             
                 for i in range(5):
                     item_tooltip = self.iconlist.item(i).toolTip()
                     # print(i,"---",item_tooltip)
@@ -1340,7 +1350,6 @@ class MainWindow(QMainWindow, WindowMixin):
 
         if unicodeFilePath and os.path.exists(unicodeFilePath):
             self.canvas.verified = False
-
             cvimg = cv2.imdecode(np.fromfile(unicodeFilePath, dtype=np.uint8), 1)
             height, width, depth = cvimg.shape
             cvimg = cv2.cvtColor(cvimg, cv2.COLOR_BGR2RGB)
@@ -1367,6 +1376,7 @@ class MainWindow(QMainWindow, WindowMixin):
             self.paintCanvas()
             self.addRecentFile(self.filePath)
             self.toggleActions(True)
+
             self.showBoundingBoxFromPPlabel(filePath)
 
             self.setWindowTitle(__appname__ + ' ' + filePath)
@@ -1380,15 +1390,18 @@ class MainWindow(QMainWindow, WindowMixin):
             return True
         return False
 
-
     def showBoundingBoxFromPPlabel(self, filePath):
+        width, height = self.image.width(), self.image.height()
         imgidx = self.getImglabelidx(filePath)
-        if imgidx not in self.PPlabel.keys():
-            return
-        shapes = []
-        for box in self.PPlabel[imgidx]:
-            shapes.append((box['transcription'], box['points'], None, None, box['difficult']))
-
+        shapes =[]
+        #box['ratio'] of the shapes saved in lockedShapes contains the ratio of the
+        # four corner coordinates of the shapes to the height and width of the image
+        for box in self.canvas.lockedShapes:
+            shapes.append(("锁定框：待识别", [[s[0]*width,s[1]*height]for s in box['ratio']],DEFAULT_LOCK_COLOR, None, box['difficult']))
+        if imgidx in self.PPlabel.keys():
+            for box in self.PPlabel[imgidx]:
+              #  print(box)
+                shapes.append((box['transcription'], box['points'], None, None, box['difficult']))
         self.loadLabels(shapes)
         self.canvas.verified = False
 
@@ -2107,6 +2120,34 @@ class MainWindow(QMainWindow, WindowMixin):
         self.labelList.clearSelection()
         self._noSelectionSlot = False
         self.canvas.loadShapes(shapes, replace=replace)
+        print("loadShapes")#1
+        
+    
+    def lockSelectedShape(self):
+        width, height = self.image.width(), self.image.height()
+        def format_shape(s):
+            return dict(label=s.label,  # str
+                        line_color=s.line_color.getRgb(),
+                        fill_color=s.fill_color.getRgb(),
+                        ratio=[[int(p.x())/width, int(p.y())/height] for p in s.points],  # QPonitF
+                       # add chris
+                        difficult=s.difficult)  # bool
+        #lock
+        if len(self.canvas.lockedShapes) == 0:
+            for s in self.canvas.selectedShapes:
+                s.line_color=DEFAULT_LOCK_COLOR
+            shapes=[format_shape(shape) for shape in self.canvas.selectedShapes]
+            trans_dic = []
+            for box in shapes:
+                trans_dic.append({"transcription": box['label'], "ratio": box['ratio'], 'difficult': box['difficult']})
+            self.canvas.lockedShapes = trans_dic
+        #    print("self.canvas.lockedShapes：",self.canvas.lockedShapes)
+        #unlock
+        else:
+            for s in self.canvas.shapes:
+                s.line_color=DEFAULT_LINE_COLOR
+            trans_dic = []
+            self.canvas.lockedShapes = trans_dic
 
 
 def inverted(color):
diff --git a/PPOCRLabel/data/Cache.cach b/PPOCRLabel/data/Cache.cach
new file mode 100644
index 0000000000..dcb2482134
--- /dev/null
+++ b/PPOCRLabel/data/Cache.cach
@@ -0,0 +1 @@
+data/paddle.png	[{"transcription": "1/j飞浆", "points": [[27.0, 17.0], [158.0, 20.0], [158.0, 64.0], [27.0, 61.0]], "difficult": false}]
diff --git a/PPOCRLabel/data/Label.txt b/PPOCRLabel/data/Label.txt
new file mode 100644
index 0000000000..1ad8a19278
--- /dev/null
+++ b/PPOCRLabel/data/Label.txt
@@ -0,0 +1 @@
+data/paddle.png	[{"transcription": "1/j飞浆", "points": [[27, 17], [158, 20], [160, 61], [27, 61]], "difficult": false}]
diff --git a/PPOCRLabel/data/fileState.txt b/PPOCRLabel/data/fileState.txt
new file mode 100644
index 0000000000..b37d8de725
--- /dev/null
+++ b/PPOCRLabel/data/fileState.txt
@@ -0,0 +1 @@
+/Users/mac/Downloads/PaddleOCR/PPOCRLabel/data/paddle.png	1
diff --git a/PPOCRLabel/libs/canvas.py b/PPOCRLabel/libs/canvas.py
index 6ac1f28b85..9550594fc6 100644
--- a/PPOCRLabel/libs/canvas.py
+++ b/PPOCRLabel/libs/canvas.py
@@ -86,7 +86,7 @@ class Canvas(QWidget):
 
         #initialisation for panning
         self.pan_initial_pos = QPoint()
-
+        self.lockedShapes = []
     def setDrawingColor(self, qColor):
         self.drawingLineColor = qColor
         self.drawingRectColor = qColor
diff --git a/PPOCRLabel/libs/resources.py b/PPOCRLabel/libs/resources.py
index 70241e5d25..0a9f4c0835 100644
--- a/PPOCRLabel/libs/resources.py
+++ b/PPOCRLabel/libs/resources.py
@@ -11014,7 +11014,52 @@ qt_resource_data = b"\
 \x00\x00\x0b\xe1\
 \x89\
 \x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\
-\x00\x00\x30\x00\x00\x00\x30\x08\x06\x00\x00\x00\x57\x02\xf9\x87\
+\x00\x00\x3c\x00\x00\x00\x3c\x08\x06\x00\x00\x00\x3a\xfc\xd9\x72\
+\x00\x00\x00\x06\x62\x4b\x47\x44\x00\xff\x00\xff\x00\xff\xa0\xbd\
+\xa7\x93\x00\x00\x00\x09\x70\x48\x59\x73\x00\x00\x0b\x13\x00\x00\
+\x0b\x13\x01\x00\x9a\x9c\x18\x00\x00\x00\x07\x74\x49\x4d\x45\x07\
+\xe2\x03\x02\x04\x34\x31\x97\x0c\xf9\x63\x00\x00\x00\x19\x74\x45\
+\x58\x74\x43\x6f\x6d\x6d\x65\x6e\x74\x00\x43\x72\x65\x61\x74\x65\
+\x64\x20\x77\x69\x74\x68\x20\x47\x49\x4d\x50\x57\x81\x0e\x17\x00\
+\x00\x02\x0b\x49\x44\x41\x54\x68\xde\xed\x98\xcd\x4b\x94\x51\x14\
+\xc6\x7f\x16\x96\x7d\x2c\xa2\x55\x1b\x3f\x90\xc0\x45\x60\x21\x6e\
+\x5b\x04\x15\x45\x14\x06\x23\xae\x5a\xbb\x90\x72\x21\x6d\x4a\xa5\
+\x76\x41\x7f\x41\xae\xda\x88\x91\xd2\x22\x17\x66\x10\xa2\x92\x50\
+\x18\x45\x05\x81\x04\xd9\x2a\x22\xa5\x60\x48\xc4\x84\x69\x73\x16\
+\x0f\x2f\x33\x13\xfa\x5e\x21\xc6\xe7\x07\x97\xfb\xce\x73\xce\x7d\
+\xee\xdc\x97\x73\xef\x65\x06\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\
+\x63\x8c\x49\x4e\x0f\x50\x8a\x76\x26\xb5\xf9\x9e\xff\x70\xc1\xed\
+\xf2\xfc\x61\x37\x2d\xf8\x1b\xb0\xb2\x9b\x16\xfc\x7e\x27\xcc\xb7\
+\xb2\xe0\x59\xd9\x5b\xa7\x32\xb1\xe3\xc0\x9f\x88\x7d\x02\xf6\x49\
+\xac\x1e\xb8\x01\xbc\x04\x7e\x46\x9b\x03\x7a\xcb\xcc\x7f\x04\x68\
+\xaa\x50\xce\x5b\xf1\x49\xc2\x7d\x59\x70\x4f\x26\xf6\x48\x62\x67\
+\x45\xef\x00\xde\x4a\x2c\xdb\x9e\x03\x7b\x25\xff\xb4\xc4\xae\xe5\
+\xf0\x49\x42\xb7\x4c\x30\x2c\x7a\xa7\xe8\xe3\xa2\x9f\x00\xd6\x24\
+\x36\x0d\xdc\x01\x1e\x02\x9b\xa2\xdf\x94\x31\x7d\xa2\x9f\xcc\xe1\
+\x93\x84\x66\x31\x1f\x0d\xad\x0e\x78\x11\xda\x9a\x94\xe3\x81\x28\
+\xc9\x12\xb0\x01\x5c\xce\x78\x15\xc4\xeb\xb5\xe8\x0f\x42\xdb\x04\
+\xf6\xe7\xf0\x49\x42\x1d\xf0\x3d\xcc\x17\x43\xbb\x20\x13\xde\x92\
+\xdc\xeb\xa2\xdf\xae\xe0\xb5\x1a\xf1\xdf\xa2\x2f\x84\xf6\x31\xa7\
+\x4f\x32\x26\xc3\xbc\x18\x7b\xe6\x5d\x7c\xfe\x0c\x34\x48\xde\x94\
+\x7c\xd1\xd6\x32\x3e\xf5\x52\xa6\x5f\xe5\x00\x2d\x86\x36\x96\xc3\
+\x27\xe9\xb5\xf4\x2a\xfa\xc3\xc0\x80\xec\xb3\x7e\x60\x5d\xf2\x8e\
+\xc9\x73\xb1\x8c\xcf\x95\x28\x57\x80\x67\xd1\xb7\x84\xaf\x5e\x49\
+\xdb\xf1\x49\xca\x79\x79\xe3\x1b\xd1\x3f\x2d\x93\x37\x56\xa5\x14\
+\x3b\x81\x1f\x11\x5b\x05\x1a\x43\xef\x92\x31\x97\x72\xf8\x24\xe5\
+\x68\xe6\x3a\x58\xaf\x50\x6a\x85\x4c\xde\x13\x60\x08\x78\x2c\xf7\
+\x75\x09\xb8\x28\x63\x86\x45\x6f\xca\xe1\x93\x9c\x25\x99\xe8\x6e\
+\x95\xbc\x91\x2a\xf7\xe6\x97\x38\xf0\x94\x89\x88\xfd\x8a\xc3\x68\
+\xbb\x3e\x49\x69\x00\x96\x63\xb2\x65\xe0\xe0\x3f\x4e\xf5\x02\x30\
+\x13\x25\x57\x04\xde\x00\x83\xc0\xa1\x2a\x2f\x72\x3e\xa7\x4f\x52\
+\x06\xe5\xed\x5e\xad\xf5\xdf\xa9\xcd\x72\x05\x4c\x67\xca\xae\x26\
+\x99\x90\xd3\xb9\xad\xd6\x17\x7b\x4e\x4a\xf9\x9e\xff\x94\x31\xc6\
+\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x98\x54\xfc\x05\x94\x34\
+\xe4\xeb\x87\xd7\x3b\x14\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\
+\x60\x82\
+\x00\x00\x04\x4e\
+\x89\
+\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\
+\x00\x00\x18\x00\x00\x00\x18\x08\x06\x00\x00\x00\xe0\x77\x3d\xf8\
 \x00\x00\x00\x04\x67\x41\x4d\x41\x00\x00\xb1\x8f\x0b\xfc\x61\x05\
 \x00\x00\x00\x20\x63\x48\x52\x4d\x00\x00\x7a\x26\x00\x00\x80\x84\
 \x00\x00\xfa\x00\x00\x00\x80\xe8\x00\x00\x75\x30\x00\x00\xea\x60\
diff --git a/PPOCRLabel/libs/shape.py b/PPOCRLabel/libs/shape.py
index ef8e09be06..434897cefc 100644
--- a/PPOCRLabel/libs/shape.py
+++ b/PPOCRLabel/libs/shape.py
@@ -30,6 +30,7 @@ DEFAULT_SELECT_LINE_COLOR = QColor(255, 255, 255)
 DEFAULT_SELECT_FILL_COLOR = QColor(0, 128, 255, 155)
 DEFAULT_VERTEX_FILL_COLOR = QColor(0, 255, 0, 255)
 DEFAULT_HVERTEX_FILL_COLOR = QColor(255, 0, 0)
+DEFAULT_LOCK_COLOR = QColor(255, 0, 255)
 MIN_Y_LABEL = 10
 
 
diff --git a/PPOCRLabel/resources/icons/lock.png b/PPOCRLabel/resources/icons/lock.png
new file mode 100644
index 0000000000..f4d50d70b4
Binary files /dev/null and b/PPOCRLabel/resources/icons/lock.png differ
diff --git a/PPOCRLabel/resources/strings/strings-en.properties b/PPOCRLabel/resources/strings/strings-en.properties
index 70036e6560..f59e43aa92 100644
--- a/PPOCRLabel/resources/strings/strings-en.properties
+++ b/PPOCRLabel/resources/strings/strings-en.properties
@@ -104,4 +104,6 @@ singleRe=Re-recognition RectBox
 labelDialogOption=Pop-up Label Input Dialog
 undo=Undo
 undoLastPoint=Undo Last Point
-autoSaveMode=Auto Export Label Mode
\ No newline at end of file
+autoSaveMode=Auto Export Label Mode
+lockBox=Lock selected box/Unlock all box
+lockBoxDetail=Lock selected box/Unlock all box
\ No newline at end of file
diff --git a/PPOCRLabel/resources/strings/strings-zh-CN.properties b/PPOCRLabel/resources/strings/strings-zh-CN.properties
index 1cd4da7611..d8bd9d4bff 100644
--- a/PPOCRLabel/resources/strings/strings-zh-CN.properties
+++ b/PPOCRLabel/resources/strings/strings-zh-CN.properties
@@ -104,4 +104,6 @@ singleRe=重识别此区块
 labelDialogOption=弹出标记输入框
 undo=撤销
 undoLastPoint=撤销上个点
-autoSaveMode=自动导出标记结果
\ No newline at end of file
+autoSaveMode=自动导出标记结果
+lockBox=锁定框/解除锁定框
+lockBoxDetail=若当前没有框处于锁定状态则锁定选中的框，若存在锁定框则解除所有锁定框的锁定状态
diff --git a/fileState.txt b/fileState.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/ppocr/Cache.cach b/ppocr/Cache.cach
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/ppocr/Label.txt b/ppocr/Label.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/ppocr/fileState.txt b/ppocr/fileState.txt
new file mode 100644
index 0000000000..e69de29bb2