... logging to /home/wk/.ros/log/7c96922a-2949-11ee-b07b-9f8905fcc413/roslaunch-wk-wk-7427.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. Resource not found: turtlebot_gazebo ROS path [0]=/opt/ros/noetic/share/ros ROS path [1]=/home/wk/robot_wk/src ROS path [2]=/home/wk/gazebo_test_ws/src ROS path [3]=/opt/ros/noetic/share The traceback for the exception was written to the log file

根据您提供的日志信息，似乎找不到名为 `turtlebot_gazebo` 的资源包。请确保您已经正确安装了 `turtlebot_gazebo` 包。您可以尝试运行以下命令来安装它：

sudo apt-get install ros-neotic-turtlebot-gazebo

请注意，这是 `turtlebot_gazebo` 的正确包名，而不是之前提到的 `turtlebot_gazebo2`。安装完成后，重新运行您的程序，看是否仍然出现相同的错误。