diff --git a/PPOCRLabel/PPOCRLabel.py b/PPOCRLabel/PPOCRLabel.py
index c6d38e2171e3a8a55234f864feea515ccf7ba363..e3ecc1af00a419f0ba62ff145a4716e1cc29a22a 100644
--- a/PPOCRLabel/PPOCRLabel.py
+++ b/PPOCRLabel/PPOCRLabel.py
@@ -397,7 +397,7 @@ class MainWindow(QMainWindow, WindowMixin):
                         'w', 'objects', getStr('crtBoxDetail'), enabled=False)
 
         delete = action(getStr('delBox'), self.deleteSelectedShape,
-                        'backspace', 'delete', getStr('delBoxDetail'), enabled=False)
+                        'Ctrl+T', 'delete', getStr('delBoxDetail'), enabled=False)
         
         copy = action(getStr('dupBox'), self.copySelectedShape,
                       'Ctrl+C', 'copy', getStr('dupBoxDetail'),
diff --git a/PPOCRLabel/README.md b/PPOCRLabel/README.md
index e8634ef8c06feae1f0adffb22c5694084dab78cd..04f0d19469a4a512378a75572f91096d9ed58225 100644
--- a/PPOCRLabel/README.md
+++ b/PPOCRLabel/README.md
@@ -143,7 +143,7 @@ python PPOCRLabel.py
 ### 3.1 Shortcut keys
 
 | Shortcut keys            | Description                                      |
-| ------------------------ | ------------------------------------------------ |
+|--------------------------| ------------------------------------------------ |
 | Ctrl + Shift + R         | Re-recognize all the labels of the current image |
 | W                        | Create a rect box                                |
 | Q                        | Create a four-points box                         |
@@ -151,7 +151,7 @@ python PPOCRLabel.py
 | Ctrl + R                 | Re-recognize the selected box                    |
 | Ctrl + C                 | Copy and paste the selected box                  |
 | Ctrl + Left Mouse Button | Multi select the label box                       |
-| Backspace                | Delete the selected box                          |
+| Ctrl+T                   | Delete the selected box                          |
 | Ctrl + V                 | Check image                                      |
 | Ctrl + Shift + d         | Delete image                                     |
 | D                        | Next image                                       |
diff --git a/PPOCRLabel/README_ch.md b/PPOCRLabel/README_ch.md
index e1c391bc8637baa4adfa8852d805ed0f4bf04d6d..7e77bdb997acad07d12ba50e1e6542da97bf62c6 100644
--- a/PPOCRLabel/README_ch.md
+++ b/PPOCRLabel/README_ch.md
@@ -139,8 +139,8 @@ python PPOCRLabel.py --lang ch
 | Ctrl + E         | 编辑所选框标签               |
 | Ctrl + R         | 重新识别所选标记             |
 | Ctrl + C         | 复制并粘贴选中的标记框       |
-| Ctrl + 鼠标左键  | 多选标记框                   |
-| Backspace        | 删除所选框                   |
+| Ctrl + 鼠标左键    | 多选标记框                   |
+| Ctrl+T           | 删除所选框                   |
 | Ctrl + V         | 确认本张图片标记             |
 | Ctrl + Shift + d | 删除本张图片                 |
 | D                | 下一张图片                   |