diff --git a/src/main/java/com/xujie/sys/modules/reader/config/TCPClient.java b/src/main/java/com/xujie/sys/modules/reader/config/TCPClient.java
index e02dfd5d..bf0384b7 100644
--- a/src/main/java/com/xujie/sys/modules/reader/config/TCPClient.java
+++ b/src/main/java/com/xujie/sys/modules/reader/config/TCPClient.java
@@ -79,8 +79,12 @@ public class TCPClient {
                 log.error("连接设备失败,IP:{},Port:{}",config.getIp(),config.getPort(),e);
             }finally {
                 try {
-                    Objects.requireNonNull(in).close();
-                    Objects.requireNonNull(socket).close();
+                    if (in!= null){
+                        in.close();
+                    }
+                    if (socket!= null && !socket.isClosed()){
+                        socket.close();
+                    }
                 } catch (IOException e) {
                     log.error("关闭输入流失败", e);
                 }