diff --git a/Lagrange.OneBot/Core/Entity/Message/OneBotGroupMsg.cs b/Lagrange.OneBot/Core/Entity/Message/OneBotGroupMsg.cs
index e23694bcb..44a1a3cb9 100644
--- a/Lagrange.OneBot/Core/Entity/Message/OneBotGroupMsg.cs
+++ b/Lagrange.OneBot/Core/Entity/Message/OneBotGroupMsg.cs
@@ -4,7 +4,7 @@
 namespace Lagrange.OneBot.Core.Entity.Message;
 
 [Serializable]
-public class OneBotGroupMsg(uint selfId, uint groupUin, List<OneBotSegment> message, string rawMessage, BotGroupMember member, int messageId) : OneBotEntityBase(selfId, "message")
+public class OneBotGroupMsg(uint selfId, uint groupUin, List<OneBotSegment> message, string rawMessage, BotGroupMember member, int messageId, long time) : OneBotEntityBase(selfId, "message", time)
 {
     [JsonPropertyName("message_type")] public string MessageType { get; set; } = "group";
 
@@ -28,7 +28,7 @@ public class OneBotGroupMsg(uint selfId, uint groupUin, List<OneBotSegment> mess
 }
 
 [Serializable]
-public class OneBotGroupStringMsg(uint selfId, uint groupUin, string message, BotGroupMember member, int messageId) : OneBotEntityBase(selfId, "message")
+public class OneBotGroupStringMsg(uint selfId, uint groupUin, string message, BotGroupMember member, int messageId, long time) : OneBotEntityBase(selfId, "message", time)
 {
     [JsonPropertyName("message_type")] public string MessageType { get; set; } = "group";
 
diff --git a/Lagrange.OneBot/Core/Entity/Message/OneBotPrivateMsg.cs b/Lagrange.OneBot/Core/Entity/Message/OneBotPrivateMsg.cs
index 6506ccc51..69d43ade8 100644
--- a/Lagrange.OneBot/Core/Entity/Message/OneBotPrivateMsg.cs
+++ b/Lagrange.OneBot/Core/Entity/Message/OneBotPrivateMsg.cs
@@ -3,7 +3,7 @@
 namespace Lagrange.OneBot.Core.Entity.Message;
 
 [Serializable]
-public class OneBotPrivateMsg(uint selfId, OneBotSender groupSender, string subType) : OneBotEntityBase(selfId, "message")
+public class OneBotPrivateMsg(uint selfId, OneBotSender groupSender, string subType, long time) : OneBotEntityBase(selfId, "message", time)
 {
     [JsonPropertyName("message_type")] public string MessageType { get; set; } = "private";
 
@@ -25,7 +25,7 @@ public class OneBotPrivateMsg(uint selfId, OneBotSender groupSender, string subT
 }
 
 [Serializable]
-public class OneBotPrivateStringMsg(uint selfId, OneBotSender groupSender, string subType) : OneBotEntityBase(selfId, "message")
+public class OneBotPrivateStringMsg(uint selfId, OneBotSender groupSender, string subType, long time) : OneBotEntityBase(selfId, "message", time)
 {
     [JsonPropertyName("message_type")] public string MessageType { get; set; } = "private";
 
diff --git a/Lagrange.OneBot/Core/Entity/OneBotEntityBase.cs b/Lagrange.OneBot/Core/Entity/OneBotEntityBase.cs
index 7f559b882..b48886081 100644
--- a/Lagrange.OneBot/Core/Entity/OneBotEntityBase.cs
+++ b/Lagrange.OneBot/Core/Entity/OneBotEntityBase.cs
@@ -3,9 +3,14 @@
 namespace Lagrange.OneBot.Core.Entity;
 
 [Serializable]
-public abstract class OneBotEntityBase(uint selfId, string postType)
+public abstract class OneBotEntityBase(uint selfId, string postType, long time)
 {
-    [JsonPropertyName("time")] public long Time { get; set; } = DateTimeOffset.Now.ToUnixTimeSeconds();
+    public OneBotEntityBase(uint selfId, string postType)
+        : this(selfId, postType, DateTimeOffset.Now.ToUnixTimeSeconds())
+    {
+    }
+
+    [JsonPropertyName("time")] public long Time { get; set; } = time;
 
     [JsonPropertyName("self_id")] public uint SelfId { get; set; } = selfId;
 
diff --git a/Lagrange.OneBot/Message/MessageService.cs b/Lagrange.OneBot/Message/MessageService.cs
index fe3ed4dc5..c59a853b0 100644
--- a/Lagrange.OneBot/Message/MessageService.cs
+++ b/Lagrange.OneBot/Message/MessageService.cs
@@ -79,14 +79,14 @@ public object ConvertToPrivateMsg(uint uin, MessageChain chain)
         var segments = Convert(chain);
         int hash = MessageRecord.CalcMessageHash(chain.MessageId, chain.Sequence);
         string raw = ToRawMessage(segments);
-        object request = _stringPost ? new OneBotPrivateStringMsg(uin, new OneBotSender(chain.FriendUin, chain.FriendInfo?.Nickname ?? string.Empty), "friend")
+        object request = _stringPost ? new OneBotPrivateStringMsg(uin, new OneBotSender(chain.FriendUin, chain.FriendInfo?.Nickname ?? string.Empty), "friend", ((DateTimeOffset)chain.Time).ToUnixTimeSeconds())
         {
             MessageId = hash,
             UserId = chain.FriendUin,
             Message = raw,
             RawMessage = raw,
             TargetId = chain.TargetUin,
-        } : new OneBotPrivateMsg(uin, new OneBotSender(chain.FriendUin, chain.FriendInfo?.Nickname ?? string.Empty), "friend")
+        } : new OneBotPrivateMsg(uin, new OneBotSender(chain.FriendUin, chain.FriendInfo?.Nickname ?? string.Empty), "friend", ((DateTimeOffset)chain.Time).ToUnixTimeSeconds())
         {
             MessageId = hash,
             UserId = chain.FriendUin,
@@ -113,8 +113,8 @@ public object ConvertToGroupMsg(uint uin, MessageChain chain)
         var segments = Convert(chain);
         int hash = MessageRecord.CalcMessageHash(chain.MessageId, chain.Sequence);
         object request = _stringPost
-            ? new OneBotGroupStringMsg(uin, chain.GroupUin ?? 0, ToRawMessage(segments), chain.GroupMemberInfo ?? throw new Exception("Group member not found"), hash)
-            : new OneBotGroupMsg(uin, chain.GroupUin ?? 0, segments, ToRawMessage(segments), chain.GroupMemberInfo ?? throw new Exception("Group member not found"), hash);
+            ? new OneBotGroupStringMsg(uin, chain.GroupUin ?? 0, ToRawMessage(segments), chain.GroupMemberInfo ?? throw new Exception("Group member not found"), hash, ((DateTimeOffset)chain.Time).ToUnixTimeSeconds())
+            : new OneBotGroupMsg(uin, chain.GroupUin ?? 0, segments, ToRawMessage(segments), chain.GroupMemberInfo ?? throw new Exception("Group member not found"), hash, ((DateTimeOffset)chain.Time).ToUnixTimeSeconds());
         return request;
     }
 
@@ -124,7 +124,7 @@ private void OnTempMessageReceived(BotContext bot, TempMessageEvent e)
         _context.GetCollection<MessageRecord>().Insert(new BsonValue(record.MessageHash), record);
 
         var segments = Convert(e.Chain);
-        var request = new OneBotPrivateMsg(bot.BotUin, new OneBotSender(e.Chain.FriendUin, e.Chain.FriendInfo?.Nickname ?? string.Empty), "group")
+        var request = new OneBotPrivateMsg(bot.BotUin, new OneBotSender(e.Chain.FriendUin, e.Chain.FriendInfo?.Nickname ?? string.Empty), "group", ((DateTimeOffset)e.Chain.Time).ToUnixTimeSeconds())
         {
             MessageId = record.MessageHash,
             UserId = e.Chain.FriendUin,