diff --git a/Lagrange.Core/Internal/Packets/Action/SendMessageResponse.cs b/Lagrange.Core/Internal/Packets/Action/SendMessageResponse.cs
index 64d51a81b..91cba47b4 100644
--- a/Lagrange.Core/Internal/Packets/Action/SendMessageResponse.cs
+++ b/Lagrange.Core/Internal/Packets/Action/SendMessageResponse.cs
@@ -13,9 +13,9 @@ internal class SendMessageResponse
 	
 	[ProtoMember(10)] public uint Field10 { get; set; }
 	
-	[ProtoMember(11)] public uint? Sequence { get; set; }
+	[ProtoMember(11)] public uint? GroupSequence { get; set; }
 	
 	[ProtoMember(12)] public uint Timestamp2 { get; set; }
 	
-	[ProtoMember(14)] public uint Field14 { get; set; }
+	[ProtoMember(14)] public uint PrivateSequence { get; set; }
 }
\ No newline at end of file
diff --git a/Lagrange.Core/Internal/Service/Message/SendMessageService.cs b/Lagrange.Core/Internal/Service/Message/SendMessageService.cs
index 7df454a0e..9c0ca0a06 100644
--- a/Lagrange.Core/Internal/Service/Message/SendMessageService.cs
+++ b/Lagrange.Core/Internal/Service/Message/SendMessageService.cs
@@ -34,7 +34,7 @@ protected override bool Parse(byte[] input, BotKeystore keystore, BotAppInfo app
         var result = new MessageResult
         {
             Result = (uint)response.Result,
-            Sequence = response.Sequence,
+            Sequence = response.GroupSequence ?? response.PrivateSequence,
             Timestamp = response.Timestamp1,
         };