Gazebo has been installed,but this error occur#1

phe@phe:~/ros_source/catkin_ws$ catkin_make Base path: /home/phe/ros_source/catkin_ws Source space: /home/phe/ros_source/catkin_ws/src Build space: /home/phe/ros_source/catkin_ws/build Devel space: /home/phe/ros_source/catkin_ws/devel Install space: /home/phe/ros_source/catkin_ws/install #### #### Running command: "make cmake_check_build_system" in "/home/phe/ros_source/catkin_ws/build" #### -- Using CATKIN_DEVEL_PREFIX: /home/phe/ros_source/catkin_ws/devel -- Using CMAKE_PREFIX_PATH: /opt/ros/kinetic -- This workspace overlays: /opt/ros/kinetic -- Using PYTHON_EXECUTABLE: /usr/bin/python -- Using Debian Python package layout -- Using empy: /usr/bin/empy -- Using CATKIN_ENABLE_TESTING: ON -- Call enable_testing() -- Using CATKIN_TEST_RESULTS_DIR: /home/phe/ros_source/catkin_ws/build/test_results -- Found gmock sources under '/usr/src/gmock': gmock will be built -- Found gtest sources under '/usr/src/gmock': gtests will be built -- Using Python nosetests: /usr/bin/nosetests-2.7 -- catkin 0.7.14 -- BUILD_SHARED_LIBS is on -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- ~~ traversing 8 packages in topological order: -- ~~ - rslidar (metapackage) -- ~~ - rslidar_msgs -- ~~ - my_package -- ~~ - agn_gazebo -- ~~ - rslidar_driver -- ~~ - rslidar_pointcloud -- ~~ - rslidar_rangeimage -- ~~ - mbot_gazebo -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- +++ processing catkin metapackage: 'rslidar' -- ==> add_subdirectory(ros_rslidar_robosense/rslidar) -- +++ processing catkin package: 'rslidar_msgs' -- ==> add_subdirectory(ros_rslidar_robosense/rslidar_msgs) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- rslidar_msgs: 2 messages, 0 services -- +++ processing catkin package: 'my_package' -- ==> add_subdirectory(my_package) -- +++ processing catkin package: 'agn_gazebo' -- ==> add_subdirectory(agn_gazebo) CMake Warning at /opt/ros/kinetic/share/catkin/cmake/catkinConfig.cmake:76 (find_package): Could not find a package configuration file provided by "gazebo" with any of the following names: **gazeboConfig.cmake gazebo-config.cmake** Add the installation prefix of "gazebo" to CMAKE_PREFIX_PATH or set "gazebo_DIR" to a directory containing one of the above files. If "gazebo" provides a separate development package or SDK, be sure it has been installed. Call Stack (most recent call first): agn_gazebo/CMakeLists.txt:10 (find_package) -- Could not find the required component 'gazebo'. The following CMake error indicates that you either need to install the package with the same name or change your environment so that it can be found. CMake Error at /opt/ros/kinetic/share/catkin/cmake/catkinConfig.cmake:83 (find_package): ........................... **Invoking "make cmake_check_build_system" failed** phe@phe:~/ros_source/catkin_ws$ **gazebo -version** **Gazebo multi-robot simulator, version 7.0.0** Gazebo has been installed,but this error occur。