一次大的提交

lib/features/remote_control/presentation/bloc/remote_control_cubit.dart

@@ -1070,4 +1070,28 @@ class RemoteControlCubit extends Cubit<RemoteControlState> {
     debugPrint('🗑️ [RemoteControl] 缓存已清空 - voltage, battery, controlMode, ping');
   }
 
+  /// 🔥 退出登录时清空所有状态（比 _clearAllCache 更彻底，重置全部 state 字段）
+  void clearAll() {
+    _timer?.cancel();
+    _timer = null;
+
+    _cacheVoltage = null;
+    _cacheBattery = null;
+    _cacheCtrlMode = null;
+    _cachePing = null;
+    _lastUiUpdateTime = null;
+    _lastStatusPushTime = null;
+    _currentOriginX = 0;
+    _currentOriginY = 0;
+
+    if (!isClosed) {
+      emit(RemoteControlState(
+        controlEntity: MachineControlStatusEntity(),
+        runningStatusModel: RunningStatusModel(),
+      ));
+    }
+
+    debugPrint('🗑️ [RemoteControl] clearAll - 所有状态已重置为初始值');
+  }
+
 }

lib/features/remote_control/presentation/widgets/right_joystick_area.dart

@@ -119,8 +119,6 @@ class _RightJoystickAreaState extends State<RightJoystickArea> {
   }
 
   void _triggerVibration() {
-    Vibration.hasVibrator().then((has) {
-      if (has ?? false) Vibration.vibrate(duration: 12);
-    });
+    Vibration.vibrate(duration: 12);
   }
 }

lib/features/remote_control/presentation/widgets/webrtc/webrtc_local_player.dart

@@ -171,6 +171,14 @@ class _WebRTCLocalPlayerState extends State<WebRTCLocalPlayer> {
   Widget _buildQuadrantView({required Alignment alignment}) {
     if (_renderer.srcObject == null) return Container(color: Colors.black);
 
+    // 🔥 俯视（center）：显示完整视频帧，不做2倍裁剪
+    if (alignment == Alignment.center) {
+      return RepaintBoundary(
+        child: RTCVideoView(_renderer, objectFit: RTCVideoViewObjectFit.RTCVideoViewObjectFitCover, mirror: false),
+      );
+    }
+
+    // 前/后/左/右：2倍放大后裁剪对应象限
     return RepaintBoundary(
       child: ClipRect(
         child: FractionallySizedBox(