From 8db0467f696c84b797706955efbc96e876682781 Mon Sep 17 00:00:00 2001
From: BruceChen <MrChen131217@gmail.com>
Date: Sun, 15 Jan 2023 17:18:42 +0800
Subject: [PATCH] Bug fix

---
 MinecraftClient/Protocol/Handlers/Protocol18.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MinecraftClient/Protocol/Handlers/Protocol18.cs b/MinecraftClient/Protocol/Handlers/Protocol18.cs
index dfde4386..d5f07f97 100644
--- a/MinecraftClient/Protocol/Handlers/Protocol18.cs
+++ b/MinecraftClient/Protocol/Handlers/Protocol18.cs
@@ -696,7 +696,7 @@ namespace MinecraftClient.Protocol.Handlers
                                 }
 
                                 ChatMessage chat = new(message, false, chatTypeId, senderUUID, unsignedChatContent, senderDisplayName, senderTeamName, timestamp, messageSignature, verifyResult);
-                                if (isOnlineMode && !chat.LacksSender() && verifyResult)
+                                if (isOnlineMode && !chat.LacksSender() && messageSignature != null)
                                     Acknowledge(chat);
                                 handler.OnTextReceived(chat);
                             }