update vimrc

.vimrc

@@ -250,13 +250,14 @@ let g:NERDTreeDirArrowExpandable='▷'
 let g:NERDTreeDirArrowCollapsible='▼'
 
 " YCM
+" 如果不指定python解释器路径，ycm会自己搜索一个合适的(与编译ycm时使用的python版本匹配)
+" let g:ycm_server_python_interpreter = '/usr/bin/python2.7'
 let g:ycm_confirm_extra_conf = 0 
 let g:ycm_error_symbol = '✗'
 let g:ycm_warning_symbol = '✹'
 let g:ycm_seed_identifiers_with_syntax = 1 
 let g:ycm_complete_in_comments = 1 
 let g:ycm_complete_in_strings = 1 
-let g:ycm_server_python_interpreter = '/usr/bin/python2.7'
 let g:ycm_collect_identifiers_from_tags_files = 1
 let g:ycm_semantic_triggers =  {
             \   'c' : ['->', '.','re![_a-zA-z0-9]'],