diff --git a/Zmq/zmqServer.py b/Zmq/zmqServer.py
index fa45850..46a564f 100644
--- a/Zmq/zmqServer.py
+++ b/Zmq/zmqServer.py
@@ -286,7 +286,7 @@ class zmqServer(threading.Thread):
             algo_log(f"新数据客户端连接成功: {ident}", level="INFO")
         try:
             # 精确长度校验
-            EXPECTED_BYTES = self.device_info['frame_points'] * self.device_info['channel_nums'] * 4
+            EXPECTED_BYTES = self.device_info['frame_points'] * self.device_info['channel_nums'] * np.dtype(np.float64).itemsize
             if len(data_bytes) != EXPECTED_BYTES:
                 algo_log(f"数据长度错误：期望{EXPECTED_BYTES}字节，实际{len(data_bytes)}字节", level="ERROR")
                 return