File named 'decomp-util' missing but can't be downloaded when catkin build

[xiaolaji0426]

Hey, guys. I met a problem but no one else met.
When I catkin build, here is my error :

---

By not providing "Finddecomp_util.cmake" in CMAKE_MODULE_PATH this project
has asked CMake to find a package configuration file provided by
"decomp_util", but CMake did not find one.

It seemed that I lacked some ROS package, then I tried to download by this "sudo apt-get install ros-noetic-decomp-util".
But there is no such package, even on the ROS offical website. Help,pls...