diff --git a/CoreAgent.WebSocketTransport/Models/WebSocketConfig.cs b/CoreAgent.WebSocketTransport/Models/WebSocketConfig.cs
index 02a110c..78baf87 100644
--- a/CoreAgent.WebSocketTransport/Models/WebSocketConfig.cs
+++ b/CoreAgent.WebSocketTransport/Models/WebSocketConfig.cs
@@ -50,4 +50,18 @@ public class WebSocketConfig
     /// </summary>
     [Range(1, 1440, ErrorMessage = "缓存 TTL 必须在 1-1440 分钟之间")]
     public int CacheTtlMinutes { get; set; } = 5;
+
+    /// <summary>
+    /// 最大分包大小（字节），超过此大小的消息将被分包发送
+    /// 建议值：32KB-128KB，默认64KB
+    /// </summary>
+    [Range(1024, 1024 * 1024, ErrorMessage = "分包大小必须在 1KB-1MB 之间")]
+    public int? MaxChunkSize { get; set; } = 64 * 1024; // 64KB
+
+    /// <summary>
+    /// 分包发送延迟（毫秒），用于控制分包发送的速率
+    /// 建议值：1-10ms，默认1ms
+    /// </summary>
+    [Range(0, 100, ErrorMessage = "分包延迟必须在 0-100 毫秒之间")]
+    public int? ChunkDelayMs { get; set; } = 1;
 } 
\ No newline at end of file
diff --git a/CoreAgent.WebSocketTransport/Services/WebSocketTransport.cs b/CoreAgent.WebSocketTransport/Services/WebSocketTransport.cs
index adbbd4b..eb498c2 100644
--- a/CoreAgent.WebSocketTransport/Services/WebSocketTransport.cs
+++ b/CoreAgent.WebSocketTransport/Services/WebSocketTransport.cs
@@ -398,14 +398,14 @@ public class WebSocketTransport : IWebSocketTransport
             {
                 // 处理二进制消息
                 _logger.LogTrace("发送二进制消息，大小: {Size} bytes", binaryData.Length);
-                await _connection.SendAsync(new ArraySegment<byte>(binaryData), WebSocketMessageType.Binary, true, cancellationToken);
+                await SendDataWithChunkingAsync(binaryData, WebSocketMessageType.Binary, cancellationToken);
             }
             else
             {
                 // 处理文本消息
                 var data = _serializer.Serialize(processedMessage);
                 _logger.LogTrace("发送文本消息，大小: {Size} bytes", data.Length);
-                await _connection.SendAsync(new ArraySegment<byte>(data), WebSocketMessageType.Text, true, cancellationToken);
+                await SendDataWithChunkingAsync(data, WebSocketMessageType.Text, cancellationToken);
             }
             
             stopwatch.Stop();
@@ -419,6 +419,62 @@ public class WebSocketTransport : IWebSocketTransport
         }
     }
 
+    /// <summary>
+    /// 分包发送数据
+    /// </summary>
+    private async Task SendDataWithChunkingAsync(byte[] data, WebSocketMessageType messageType, CancellationToken cancellationToken)
+    {
+        // 从配置中获取分包大小，如果没有配置则使用默认值
+        var maxChunkSize = _config.MaxChunkSize ?? 64 * 1024; // 默认64KB
+        
+        if (data.Length <= maxChunkSize)
+        {
+            // 数据小于等于分包大小，直接发送
+            await _connection.SendAsync(new ArraySegment<byte>(data), messageType, true, cancellationToken);
+            _logger.LogTrace("数据大小 {Size} bytes 小于等于 {MaxChunkSize} bytes，直接发送", data.Length, maxChunkSize);
+        }
+        else
+        {
+            // 数据大于分包大小，需要分包发送
+            var totalChunks = (int)Math.Ceiling((double)data.Length / maxChunkSize);
+            _logger.LogInformation("数据大小 {Size} bytes 大于 {MaxChunkSize} bytes，将分 {TotalChunks} 个包发送", 
+                data.Length, maxChunkSize, totalChunks);
+            
+            var sentChunks = 0;
+            try
+            {
+                for (int i = 0; i < totalChunks; i++)
+                {
+                    var offset = i * maxChunkSize;
+                    var chunkSize = Math.Min(maxChunkSize, data.Length - offset);
+                    var chunk = new ArraySegment<byte>(data, offset, chunkSize);
+                    
+                    // 最后一个包设置 endOfMessage 为 true
+                    var isLastChunk = i == totalChunks - 1;
+                    
+                    _logger.LogTrace("发送第 {ChunkIndex}/{TotalChunks} 个包，大小: {ChunkSize} bytes，是否最后一个包: {IsLastChunk}", 
+                        i + 1, totalChunks, chunkSize, isLastChunk);
+                    
+                    await _connection.SendAsync(chunk, messageType, isLastChunk, cancellationToken);
+                    sentChunks++;
+                    
+                    // 如果不是最后一个包，添加小延迟避免发送过快
+                    if (!isLastChunk)
+                    {
+                        await Task.Delay(_config.ChunkDelayMs ?? 1, cancellationToken);
+                    }
+                }
+                
+                _logger.LogInformation("分包发送完成，共发送 {TotalChunks} 个包", totalChunks);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "分包发送失败，已发送 {SentChunks}/{TotalChunks} 个包", sentChunks, totalChunks);
+                throw;
+            }
+        }
+    }
+
     /// <summary>
     /// 接收循环 - 自动接收数据并推送到接收通道
     /// </summary>