Fix abstract method not implemented error; Fix parameter checking; #12
  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  Outdated suggestions cannot be applied.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.
  
    
  
    
修复2个使用
MongodbRecorder遇到的问题与解决:MongodbPersistProvider的抽象方法should_resume与should_run_init未实现报错;DiskPersistProvider默认返回 False;MongodbRecorder时不传入persist_folder时会报错;start_up函数,并将_set_env_and_data_source中的cfg检查统一迁移至start_up。