fix: fix the typo and add some examples #439
                
     Merged
            
            
          
  Add this suggestion to a batch that can be applied as a single commit.
  This suggestion is invalid because no changes were made to the code.
  Suggestions cannot be applied while the pull request is closed.
  Suggestions cannot be applied while viewing a subset of changes.
  Only one suggestion per line can be applied in a batch.
  Add this suggestion to a batch that can be applied as a single commit.
  Applying suggestions on deleted lines is not supported.
  You must change the existing code in this line in order to create a valid suggestion.
  Outdated suggestions cannot be applied.
  This suggestion has been applied or marked resolved.
  Suggestions cannot be applied from pending reviews.
  Suggestions cannot be applied on multi-line comments.
  Suggestions cannot be applied while the pull request is queued to merge.
  Suggestion cannot be applied right now. Please check back later.
  
    
  
    
去掉第一层目录结构,要出除第二层,--strip-components 2此句意义不明,看起来出除二字应该像是去除,而且又与去掉第一层目录结构的语义上感觉没啥关联。参数--strip-components NUMBER,在提取时从文件名中删除NUMBER个前导路径,如要去除前二个,参数可以设为--strip-components 2,并添加适当的examples帮助理解