diff --git a/lib/libbehaviac_gcc_release.a b/lib/libbehaviac_gcc_release.a
index f2fbe7b..da8d4c8 100644
Binary files a/lib/libbehaviac_gcc_release.a and b/lib/libbehaviac_gcc_release.a differ
diff --git a/lib/ubuntu20.04_g++-9/libbehaviac_gcc_release.a b/lib/ubuntu20.04_g++-9/libbehaviac_gcc_release.a
index f2fbe7b..da8d4c8 100644
Binary files a/lib/ubuntu20.04_g++-9/libbehaviac_gcc_release.a and b/lib/ubuntu20.04_g++-9/libbehaviac_gcc_release.a differ
diff --git a/src/behaviortree/behaviortree_task.cpp b/src/behaviortree/behaviortree_task.cpp
index 6cc47b9..fa9f5ef 100644
--- a/src/behaviortree/behaviortree_task.cpp
+++ b/src/behaviortree/behaviortree_task.cpp
@@ -1418,6 +1418,7 @@ namespace behaviac {
         //{
         //	BehaviorTask::DestroyTask(this->m_root);
         //}
+        Clear();
     }
 
     void BehaviorTreeTask::Clear() {