diff --git a/src/perception/pbox_node_dirve/src/pbox_node/src/AGPbox.cpp b/src/perception/pbox_node_dirve/src/pbox_node/src/AGPbox.cpp
index fb81da1..2d4ab48 100644
--- a/src/perception/pbox_node_dirve/src/pbox_node/src/AGPbox.cpp
+++ b/src/perception/pbox_node_dirve/src/pbox_node/src/AGPbox.cpp
@@ -112,7 +112,7 @@ void AGPbox::openSerialPort()
 
         imu_ser.setPort(m_port);
         imu_ser.setBaudrate(m_baud);
-        serial::Timeout to = serial::Timeout::simpleTimeout(0);
+        serial::Timeout to = serial::Timeout::simpleTimeout(100);
         imu_ser.setTimeout(to);
         imu_ser.setFlowcontrol(serial::flowcontrol_t::flowcontrol_none);
         imu_ser.open();