fix:解决ByteBuf内存溢出问题

src/main/java/com/qyft/gd/device/client/TcpClient.java

@@ -91,14 +91,8 @@ public class TcpClient {
 
     public boolean send(String request) {
         if (channel != null && channel.isActive()) {
-            ByteBuf byteBuf = Unpooled.copiedBuffer(request, CharsetUtil.UTF_8);
-            try {
-                channel.writeAndFlush(byteBuf);
-                return true;
-            } catch (Exception e) {
-                log.error("TCP发送请求失败: {}", request, e);
-                return false;
-            }
+            channel.writeAndFlush(Unpooled.copiedBuffer(request, CharsetUtil.UTF_8));
+            return true;
         } else {
             log.error("TCP服务未连接，无法发送请求: {}", request);
             return false;