diff --git a/src/main/java/com/qyft/gd/device/client/TcpClient.java b/src/main/java/com/qyft/gd/device/client/TcpClient.java
index a2c82e9..5ad2cc6 100644
--- a/src/main/java/com/qyft/gd/device/client/TcpClient.java
+++ b/src/main/java/com/qyft/gd/device/client/TcpClient.java
@@ -19,6 +19,7 @@ import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
 import java.net.InetSocketAddress;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
@@ -118,6 +119,9 @@ public class TcpClient {
         CompletableFuture<DeviceFeedback> future = new CompletableFuture<>();
         deviceMessageHandler.responseMap.put(request.getId(), future);
         try {
+            if (request.getParams() == null) {
+                request.setParams(new HashMap<>());
+            }
             request.getParams().put("class", "test");
             String requestJsonStr = JSONUtil.toJsonStr(request);
             log.info("发送TCP指令（同步） {}", requestJsonStr);