修改连接日志打印

src/main/java/com/jwk/spring/boot/modbus4j/ModbusRtuMaster.java

@@ -69,6 +69,7 @@ public class ModbusRtuMaster extends SerialPortWrapperImpl {
                 master = modbusFactory.createRtuMaster(this);
                 master.init();
                 modbusMasterUtil = new ModbusMasterUtil(master);
+                log.info("当前串口：{},打开成功！", getPort());
                 break;
             } catch (Exception e) {
                 log.error("当前串口：{},打开失败！", getPort(), e);

src/main/java/com/jwk/spring/boot/modbus4j/ModbusTcpMaster.java

@@ -69,7 +69,7 @@ public class ModbusTcpMaster {
                 master = modbusFactory.createTcpMaster(params, true);
                 master.init();
                 modbusMasterUtil = new ModbusMasterUtil(master);
-                log.error("ModbusTcp：{}:{},连接成功！", getHost(), getPort());
+                log.info("ModbusTcp：{}:{},连接成功！", getHost(), getPort());
                 break;
             } catch (Exception e) {
                 log.error("ModbusTcp：{}:{},连接失败！", getHost(), getPort(), e);