diff --git a/func/Module_bcg_quality_label.py b/func/Module_bcg_quality_label.py
index 15cda9e..01a4e2e 100644
--- a/func/Module_bcg_quality_label.py
+++ b/func/Module_bcg_quality_label.py
@@ -935,9 +935,9 @@ class MainWindow_bcg_quality_label(QMainWindow):
             self.ui.pushButton_b2.show()
             self.ui.pushButton_c.show()
             self.ui.pushButton_f.show()
-            self.ui.pushButton_a1.setText("a(U)")
+            self.ui.pushButton_a1.setText("a1(U)")
             self.ui.pushButton_a2.setText("a2(I)")
-            self.ui.pushButton_b1.setText("b(O)")
+            self.ui.pushButton_b1.setText("b1(O)")
             self.ui.pushButton_b2.setText("b2(P)")
             self.ui.pushButton_c.setText("c(J)")
             self.ui.pushButton_f.setText("删除")
diff --git a/func/utils/ConfigParams.py b/func/utils/ConfigParams.py
index 623a953..942fb56 100644
--- a/func/utils/ConfigParams.py
+++ b/func/utils/ConfigParams.py
@@ -288,7 +288,7 @@ class Params:
     }
     BCG_QUALITY_LABEL_BTN_PREV_SHORTCUT_KEY: str = "A"
     BCG_QUALITY_LABEL_BTN_NEXT_SHORTCUT_KEY: str = "D"
-    BCG_QUALITY_LABEL_BTN_a1_SHORTCUT_KEY: str = "U"
+    BCG_QUALITY_LABEL_BTN_a1_SHORTCUT_KEY: str = "Y"
     BCG_QUALITY_LABEL_BTN_a2_SHORTCUT_KEY: str = "I"
     BCG_QUALITY_LABEL_BTN_b1_SHORTCUT_KEY: str = "O"
     BCG_QUALITY_LABEL_BTN_b2_SHORTCUT_KEY: str = "P"