diff --git a/rm_arm_control/simulator/col_simulator.cpp b/rm_arm_control/simulator/col_simulator.cpp
index b04beb4..456d550 100644
--- a/rm_arm_control/simulator/col_simulator.cpp
+++ b/rm_arm_control/simulator/col_simulator.cpp
@@ -607,10 +607,6 @@ int CollisionSimulator::CheckBodyAngleLimit(int simple, int bodyType)
 int CollisionSimulator::CheckArmJointsAngleLimit(float *joints)
 {
     CollisionStructureInfo *colStruct = &collision_structures_[g_linkStartIndex[BODY_TYPE_LEFT_ARM]];
-    int jointIndex2 = colStruct->jointIndexList[0];
-    JointsInfo *jointInfo2 = &jointMap_[jointIndex2];
-    RCLCPP_INFO(rclcpp::get_logger(GET_FUNC_LINE_STR()), "first link:%s, first joint:%s",
-        colStruct->link_name.c_str(), jointInfo2->name.c_str());
     std::vector<CollisionStructureInfo *> child = {colStruct};
     int childIndex = 0;
     int childCnt = 1;