diff --git a/lib/services/audio/rtc_manager.dart b/lib/services/audio/rtc_manager.dart
index 6e00c7d..f1fe40d 100644
--- a/lib/services/audio/rtc_manager.dart
+++ b/lib/services/audio/rtc_manager.dart
@@ -523,6 +523,30 @@ class RealTimeCommunicationManager extends ChangeNotifier {
     return currentUserId.isNotEmpty && currentUserId == userId.trim();
   }
 
+  Set<String> _currentUserIdentityKeys() {
+    return _userProfileIdentityKeys(
+      AccountStorage().getCurrentUser()?.userProfile,
+    );
+  }
+
+  Set<String> _userProfileIdentityKeys(SocialChatUserProfile? user) {
+    return {
+      user?.id?.trim() ?? "",
+      user?.account?.trim() ?? "",
+      user?.getID().trim() ?? "",
+    }..removeWhere((item) => item.isEmpty);
+  }
+
+  bool _userProfileMatchesAnyIdentity(
+    SocialChatUserProfile? user,
+    Set<String> identityKeys,
+  ) {
+    if (identityKeys.isEmpty) {
+      return false;
+    }
+    return _userProfileIdentityKeys(user).any(identityKeys.contains);
+  }
+
   ///房间红包列表
   List<SCRoomRedPacketListRes> redPacketList = [];
 
@@ -5418,14 +5442,15 @@ class RealTimeCommunicationManager extends ChangeNotifier {
 
   ///自己是否在麦上
   bool isOnMai() {
-    final currentUserId =
-        (AccountStorage().getCurrentUser()?.userProfile?.id ?? "").trim();
-    if (currentUserId.isEmpty) {
+    final currentUserKeys = _currentUserIdentityKeys();
+    if (currentUserKeys.isEmpty) {
       return false;
     }
     for (final entry in roomWheatMap.entries) {
-      if ((micAtIndexForDisplay(entry.key)?.user?.id ?? "").trim() ==
-          currentUserId) {
+      if (_userProfileMatchesAnyIdentity(
+        micAtIndexForDisplay(entry.key)?.user,
+        currentUserKeys,
+      )) {
         return true;
       }
     }
@@ -5434,25 +5459,39 @@ class RealTimeCommunicationManager extends ChangeNotifier {
 
   ///自己是否在指定的麦上
   bool isOnMaiInIndex(num index) {
-    return (micAtIndexForDisplay(index)?.user?.id ?? "").trim() ==
-        (AccountStorage().getCurrentUser()?.userProfile?.id ?? "").trim();
+    return _userProfileMatchesAnyIdentity(
+      micAtIndexForDisplay(index)?.user,
+      _currentUserIdentityKeys(),
+    );
   }
 
   ///点击的用户在哪个麦上
   num userOnMaiInIndex(String userId) {
+    return _findUserOnMaiInIndex(userId, useDisplaySeatForCurrentUser: true);
+  }
+
+  num _findUserOnMaiInIndex(
+    String userId, {
+    required bool useDisplaySeatForCurrentUser,
+  }) {
     final normalizedUserId = userId.trim();
     if (normalizedUserId.isEmpty) {
       return -1;
     }
     num index = -1;
+    final currentUserKeys = _currentUserIdentityKeys();
+    final isCurrentUserQuery = currentUserKeys.contains(normalizedUserId);
+    final lookupKeys = <String>{normalizedUserId};
+    if (isCurrentUserQuery) {
+      lookupKeys.addAll(currentUserKeys);
+    }
+    lookupKeys.removeWhere((item) => item.isEmpty);
     roomWheatMap.forEach((k, value) {
-      final visibleSeat =
-          normalizedUserId ==
-                  (AccountStorage().getCurrentUser()?.userProfile?.id ?? "")
-                      .trim()
+      final candidateSeat =
+          useDisplaySeatForCurrentUser && isCurrentUserQuery
               ? micAtIndexForDisplay(k)
               : value;
-      if ((visibleSeat?.user?.id ?? "").trim() == normalizedUserId) {
+      if (_userProfileMatchesAnyIdentity(candidateSeat?.user, lookupKeys)) {
         index = k;
       }
     });
diff --git a/test/rtc_self_mic_snapshot_test.dart b/test/rtc_self_mic_snapshot_test.dart
index e767f29..0f473af 100644
--- a/test/rtc_self_mic_snapshot_test.dart
+++ b/test/rtc_self_mic_snapshot_test.dart
@@ -30,4 +30,33 @@ void main() {
     expect(rtcProvider.roomWheatMap[3]?.user?.id, 'user-1');
     expect(rtcProvider.isOnMai(), isTrue);
   });
+
+  test('self mic lookup matches account when mic user id differs', () {
+    SharedPreferences.setMockInitialValues({});
+    AccountStorage().setCurrentUser(
+      SocialChatLoginRes(
+        userProfile: SocialChatUserProfile(
+          id: 'local-user-id',
+          account: 'account-1',
+          userNickname: 'Me',
+        ),
+      ),
+    );
+    final rtcProvider =
+        RealTimeCommunicationManager()
+          ..roomWheatMap = {
+            2: MicRes(
+              micIndex: 2,
+              user: SocialChatUserProfile(
+                id: 'mic-user-id',
+                account: 'account-1',
+                userNickname: 'Me',
+              ),
+            ),
+          };
+
+    expect(rtcProvider.isOnMai(), isTrue);
+    expect(rtcProvider.isOnMaiInIndex(2), isTrue);
+    expect(rtcProvider.userOnMaiInIndex('local-user-id'), 2);
+  });
 }