title: Apache2 rewrite url to chanage url
body: <p>i have a php project,here is a url like this </p>
  
  <pre><code>127.0.0.1:1000/manage/api/info
  </code></pre>
  
  <p>,manage is the root of the project,now i want do this ,when i visit</p>
  
  <pre><code>`127.0.0.1:1000/api/info`
  </code></pre>
  
  <p>,I could get the host,just ignore the root manage,how can i do this? 
  I have search the stackoverflow but doesn't meet my question,does it can be solved in rewrite?
  I thik i should config the apache2.conf,if i open the write modle i may work?
  i use ubuntu 14.04 apache2.4.7</p>