修复自己刚上麦成功后，会立即触发一次 /live/mic/list 刷新。如果这次拉到的是旧麦位快照，本地 roomWheatMap 会把“自己在麦上”的状态清掉，isOnMai() 变成 false，底部栏麦克风就被隐藏了。之前只保护了 MIC_CHANGE 和换麦位场景，没有保护“自己初次上麦”的旧快照覆盖

lib/services/audio/rtc_manager.dart

@@ -428,6 +428,8 @@ class RealTimeCommunicationManager extends ChangeNotifier {
   final Map<num, _RecentMicChangeSeatSnapshot> _recentMicChangeSeatSnapshots =
       <num, _RecentMicChangeSeatSnapshot>{};
   num? _preferredSelfMicIndex;
+  num? _pendingSelfMicGoUpIndex;
+  int? _pendingSelfMicGoUpGuardUntilMs;
   num? _pendingSelfMicSourceIndex;
   int? _pendingSelfMicSwitchGuardUntilMs;
   num? _pendingSelfMicReleaseIndex;
@@ -1218,6 +1220,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     required num sourceIndex,
     required num targetIndex,
   }) {
+    _clearSelfMicGoUpGuard();
     _clearSelfMicReleaseGuard();
     _preferredSelfMicIndex = targetIndex;
     _pendingSelfMicSourceIndex = sourceIndex;
@@ -1225,6 +1228,22 @@ class RealTimeCommunicationManager extends ChangeNotifier {
         DateTime.now().add(_selfMicStateGracePeriod).millisecondsSinceEpoch;
   }
 
+  void _startSelfMicGoUpGuard({required num targetIndex}) {
+    _clearSelfMicReleaseGuard();
+    _preferredSelfMicIndex = targetIndex;
+    _pendingSelfMicGoUpIndex = targetIndex;
+    _pendingSelfMicGoUpGuardUntilMs =
+        DateTime.now().add(_selfMicStateGracePeriod).millisecondsSinceEpoch;
+  }
+
+  void _clearSelfMicGoUpGuard({bool clearPreferredIndex = false}) {
+    _pendingSelfMicGoUpIndex = null;
+    _pendingSelfMicGoUpGuardUntilMs = null;
+    if (clearPreferredIndex) {
+      _preferredSelfMicIndex = null;
+    }
+  }
+
   void _clearSelfMicSwitchGuard({bool clearPreferredIndex = false}) {
     _pendingSelfMicSourceIndex = null;
     _pendingSelfMicSwitchGuardUntilMs = null;
@@ -1233,6 +1252,11 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     }
   }
 
+  @visibleForTesting
+  void debugStartSelfMicGoUpGuard(num targetIndex) {
+    _startSelfMicGoUpGuard(targetIndex: targetIndex);
+  }
+
   void _startSelfMicReleaseGuard({required num sourceIndex}) {
     _pendingSelfMicReleaseIndex = sourceIndex;
     _pendingSelfMicReleaseGuardUntilMs =
@@ -1305,9 +1329,31 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     if (targetIndex != null &&
         nextMap[targetIndex]?.user?.id == currentUserId) {
       _clearSelfMicSwitchGuard();
+      _clearSelfMicGoUpGuard();
       return nextMap;
     }
 
+    final goUpIndex = _pendingSelfMicGoUpIndex;
+    final goUpGuardUntilMs = _pendingSelfMicGoUpGuardUntilMs ?? 0;
+    final hasActiveGoUpGuard = goUpIndex != null && goUpGuardUntilMs > nowMs;
+    if (!hasActiveGoUpGuard) {
+      _clearSelfMicGoUpGuard();
+    } else if (selfSeatIndices.isEmpty ||
+        selfSeatIndices.every((seatIndex) => seatIndex == goUpIndex)) {
+      final stabilizedMap = _stabilizeOptimisticSelfMicSeat(
+        nextMap: nextMap,
+        previousMap: previousMap,
+        selfSeatIndices: selfSeatIndices,
+        targetIndex: goUpIndex,
+        currentUserId: currentUserId,
+      );
+      if (stabilizedMap != null) {
+        return stabilizedMap;
+      }
+    } else {
+      _clearSelfMicGoUpGuard();
+    }
+
     if (!hasActiveGuard) {
       _clearSelfMicSwitchGuard();
     } else {
@@ -1320,50 +1366,15 @@ class RealTimeCommunicationManager extends ChangeNotifier {
             (seatIndex) => seatIndex == resolvedSourceIndex,
           );
       if (selfOnlyOnSource) {
-        final optimisticTargetSeat = previousMap[resolvedTargetIndex];
+        final stabilizedMap = _stabilizeOptimisticSelfMicSeat(
-        if (optimisticTargetSeat != null &&
+          nextMap: nextMap,
-            optimisticTargetSeat.user?.id == currentUserId) {
+          previousMap: previousMap,
-          final incomingTargetSeat = nextMap[resolvedTargetIndex];
+          selfSeatIndices: selfSeatIndices,
-          if (incomingTargetSeat?.user == null ||
+          targetIndex: resolvedTargetIndex,
-              incomingTargetSeat?.user?.id == currentUserId) {
+          currentUserId: currentUserId,
-            final stabilizedMap = Map<num, MicRes>.from(nextMap);
+        );
-            for (final seatIndex in selfSeatIndices) {
+        if (stabilizedMap != null) {
-              if (seatIndex == resolvedTargetIndex) {
+          return stabilizedMap;
-                continue;
-              }
-              final seat = stabilizedMap[seatIndex];
-              if (seat == null) {
-                continue;
-              }
-              stabilizedMap[seatIndex] = seat.copyWith(clearUser: true);
-            }
-
-            final baseSeat = incomingTargetSeat ?? optimisticTargetSeat;
-            stabilizedMap[resolvedTargetIndex] = baseSeat.copyWith(
-              user: optimisticTargetSeat.user,
-              micMute:
-                  incomingTargetSeat?.micMute ?? optimisticTargetSeat.micMute,
-              micLock:
-                  incomingTargetSeat?.micLock ?? optimisticTargetSeat.micLock,
-              roomToken:
-                  incomingTargetSeat?.roomToken ??
-                  optimisticTargetSeat.roomToken,
-              emojiPath:
-                  (incomingTargetSeat?.emojiPath ?? "").isNotEmpty
-                      ? incomingTargetSeat?.emojiPath
-                      : optimisticTargetSeat.emojiPath,
-              type:
-                  (incomingTargetSeat?.type ?? "").isNotEmpty
-                      ? incomingTargetSeat?.type
-                      : optimisticTargetSeat.type,
-              number:
-                  (incomingTargetSeat?.number ?? "").isNotEmpty
-                      ? incomingTargetSeat?.number
-                      : optimisticTargetSeat.number,
-            );
-
-            return stabilizedMap;
-          }
         }
       }
     }
@@ -1397,6 +1408,60 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     return stabilizedMap;
   }
 
+  Map<num, MicRes>? _stabilizeOptimisticSelfMicSeat({
+    required Map<num, MicRes> nextMap,
+    required Map<num, MicRes> previousMap,
+    required Iterable<num> selfSeatIndices,
+    required num targetIndex,
+    required String currentUserId,
+  }) {
+    final optimisticTargetSeat = previousMap[targetIndex];
+    if (optimisticTargetSeat == null ||
+        optimisticTargetSeat.user?.id != currentUserId) {
+      return null;
+    }
+    final incomingTargetSeat = nextMap[targetIndex];
+    if (incomingTargetSeat?.user != null &&
+        incomingTargetSeat?.user?.id != currentUserId) {
+      return null;
+    }
+
+    final stabilizedMap = Map<num, MicRes>.from(nextMap);
+    for (final seatIndex in selfSeatIndices) {
+      if (seatIndex == targetIndex) {
+        continue;
+      }
+      final seat = stabilizedMap[seatIndex];
+      if (seat == null) {
+        continue;
+      }
+      stabilizedMap[seatIndex] = seat.copyWith(clearUser: true);
+    }
+
+    final baseSeat = incomingTargetSeat ?? optimisticTargetSeat;
+    stabilizedMap[targetIndex] = baseSeat.copyWith(
+      user: optimisticTargetSeat.user,
+      micMute: incomingTargetSeat?.micMute ?? optimisticTargetSeat.micMute,
+      micLock: incomingTargetSeat?.micLock ?? optimisticTargetSeat.micLock,
+      roomToken:
+          incomingTargetSeat?.roomToken ?? optimisticTargetSeat.roomToken,
+      emojiPath:
+          (incomingTargetSeat?.emojiPath ?? "").isNotEmpty
+              ? incomingTargetSeat?.emojiPath
+              : optimisticTargetSeat.emojiPath,
+      type:
+          (incomingTargetSeat?.type ?? "").isNotEmpty
+              ? incomingTargetSeat?.type
+              : optimisticTargetSeat.type,
+      number:
+          (incomingTargetSeat?.number ?? "").isNotEmpty
+              ? incomingTargetSeat?.number
+              : optimisticTargetSeat.number,
+    );
+
+    return stabilizedMap;
+  }
+
   bool _shouldPreferDuplicateMicSeat({
     required String userId,
     required num existingIndex,
@@ -1477,6 +1542,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
 
     if (currentUserMic == null) {
       _clearSelfMicSwitchGuard(clearPreferredIndex: true);
+      _clearSelfMicGoUpGuard(clearPreferredIndex: true);
       _roomRtcRoleIsBroadcaster = false;
       _syncRoomHeartbeatState(
         roomId: roomId,
@@ -2443,6 +2509,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     final currentSeatIndex = userOnMaiInIndex(currentUserId);
     isMic = true;
     _clearSelfMicSwitchGuard(clearPreferredIndex: true);
+    _clearSelfMicGoUpGuard(clearPreferredIndex: true);
     if (currentSeatIndex > -1) {
       _startSelfMicReleaseGuard(sourceIndex: currentSeatIndex);
     } else {
@@ -4966,6 +5033,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     needUpDataUserInfo = false;
     SCRoomUtils.roomUsersMap.clear();
     _clearSelfMicSwitchGuard(clearPreferredIndex: true);
+    _clearSelfMicGoUpGuard(clearPreferredIndex: true);
     _clearSelfMicReleaseGuard();
     _seatResizeOccupantPreserveUntilMs = null;
     roomIsMute = false;
@@ -5215,6 +5283,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
           );
         } catch (downError) {}
         _clearSelfMicSwitchGuard(clearPreferredIndex: true);
+        _clearSelfMicGoUpGuard(clearPreferredIndex: true);
         _clearUserFromSeats(myUser?.id);
         _syncSelfMicRuntimeState();
         notifyListeners();
@@ -5237,8 +5306,8 @@ class RealTimeCommunicationManager extends ChangeNotifier {
             targetIndex: targetIndex,
           );
         } else {
-          _preferredSelfMicIndex = targetIndex;
           _clearSelfMicSwitchGuard();
+          _startSelfMicGoUpGuard(targetIndex: targetIndex);
         }
         _clearUserFromSeats(myUser.id, exceptIndex: targetIndex);
         final currentSeat = roomWheatMap[targetIndex];
@@ -5302,6 +5371,7 @@ class RealTimeCommunicationManager extends ChangeNotifier {
         isMic = true;
       }
       _clearSelfMicSwitchGuard(clearPreferredIndex: true);
+      _clearSelfMicGoUpGuard(clearPreferredIndex: true);
       if (currentUserSeatIndex > -1) {
         _startSelfMicReleaseGuard(sourceIndex: currentUserSeatIndex);
       } else {

test/rtc_self_mic_snapshot_test.dart

@@ -0,0 +1,33 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:yumi/services/audio/rtc_manager.dart';
+import 'package:yumi/shared/business_logic/models/res/login_res.dart';
+import 'package:yumi/shared/business_logic/models/res/mic_res.dart';
+import 'package:yumi/shared/data_sources/sources/local/user_manager.dart';
+
+void main() {
+  test('self go-up keeps optimistic mic seat over stale mic list data', () {
+    SharedPreferences.setMockInitialValues({});
+    AccountStorage().setCurrentUser(
+      SocialChatLoginRes(
+        userProfile: SocialChatUserProfile(id: 'user-1', userNickname: 'Me'),
+      ),
+    );
+    final rtcProvider =
+        RealTimeCommunicationManager()
+          ..roomWheatMap = {
+            3: MicRes(
+              micIndex: 3,
+              user: SocialChatUserProfile(id: 'user-1', userNickname: 'Me'),
+            ),
+          };
+
+    rtcProvider.debugStartSelfMicGoUpGuard(3);
+    rtcProvider.debugApplyMicListSnapshot([
+      MicRes(micIndex: 3),
+    ], notifyIfUnchanged: false);
+
+    expect(rtcProvider.roomWheatMap[3]?.user?.id, 'user-1');
+    expect(rtcProvider.isOnMai(), isTrue);
+  });
+}