update design dev_screen

screens/setting/about_screen.py

@@ -86,6 +86,13 @@ class AboutScreen(QWidget):
             self.dev_unlocked.emit()
             self.dev_is_unlocked = True
 
+    def showEvent(self, event):
+        if not self.dev_is_unlocked:
+            self._dev_taps = 0
+            if self._build_row is not None:
+                self._build_row.set_suffix("")
+        super().showEvent(event)
+
 
 class _InfoRow(QWidget):
     clicked = Signal()