diff --git a/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/srgv/PlcSrgvRead.java b/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/srgv/PlcSrgvRead.java
index dc85adc..0202b11 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/srgv/PlcSrgvRead.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/srgv/PlcSrgvRead.java
@@ -168,7 +168,7 @@ public class PlcSrgvRead implements Runnable {
     }
 
     public void ConnectServer() {
-        ModbusTcpNet modbusTcpNet = new ModbusTcpNet();//创建一个Modbus对象
+        modbusTcpNet = new ModbusTcpNet();//创建一个Modbus对象
         try {
             modbusTcpNet.setIpAddress(this.ip);
             modbusTcpNet.setPort(this.port);