title: use rosdep install rviz and get error: Missing resource rviz
body: <p>platform info:</p>
  <p>ubuntu 18.04 ros:melodic</p>
  <pre><code>(base) lzw@lzw-OptiPlex-7060:~/software/ceres-bin-2.0.0$ rosdep install rviz
  
  ERROR: Rosdep cannot find all required resources to answer your query Missing resource rviz
  </code></pre>