diff --git a/catkin_ws/src/asclinic_pkg/src/Kalman.cpp b/catkin_ws/src/asclinic_pkg/src/Kalman.cpp
index 678c87ec457c8265c9ff55d63592f5181e6c0a7a..20a53a4cb209a23ae69a8f4edae42ff971d540a9 100644
--- a/catkin_ws/src/asclinic_pkg/src/Kalman.cpp
+++ b/catkin_ws/src/asclinic_pkg/src/Kalman.cpp
@@ -127,7 +127,7 @@ void ImageAnswer(const asclinic_pkg::position& msg) {
     constrain_time = ros::Time::now();
     constrain_duration = constrain_time - begin_time;
     float temp_value = constrain_duration.toSec();
-    if (temp_value<30) {
+    if (temp_value < 50) {
         return;
     }
     // Check if elapsed time is less than 0.5 seconds