diff --git a/.gitignore b/.gitignore
index 66d01465..92da2791 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,5 @@ sources_non_forked/ack.vim/.netrwhist
 temp_dirs/yankring_history_v2.txt
 sources_forked/yankring/doc/tags
 sources_non_forked/tlib/doc/tags
-my_configs.vim
 tags
 .DS_Store
diff --git a/README.md b/README.md
index 4d78188f..2819d25f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
+
+
+# 快捷键总结
+| 快捷键        | 功能      |
+|--             |--         |
+|  <Ctrl-]>     | 进入函数或者函数定义处
+| <Ctrl-o>      | 返回<Ctrl-]>前一步
+
+
 # The Ultimate vimrc
 
 Over the last 8 years I have used and tweaked Vim. This is my Ultimate vimrc.
diff --git a/my_configs.vim b/my_configs.vim
new file mode 100644
index 00000000..99e1ddfe
--- /dev/null
+++ b/my_configs.vim
@@ -0,0 +1,19 @@
+set nu
+
+syntax on
+set tags=tags;
+set autochdir
+
+"How can I open a NERDTree automatically when vim starts up if no files were specified?
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
+
+"How can I close vim if the only window left open is a NERDTree?
+autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
+
+nmap be :BufExplorer<CR>
+nmap nt :NERDTree<CR>
+nmap tl :Tlist<CR>
+nmap vs :vsplite<CR>
+
+
diff --git a/vimrcs/basic.vim b/vimrcs/basic.vim
index 198daa4b..f0916fbf 100644
--- a/vimrcs/basic.vim
+++ b/vimrcs/basic.vim
@@ -102,9 +102,9 @@ set hid
 set backspace=eol,start,indent
 set whichwrap+=<,>,h,l
 
-" In many terminal emulators the mouse works just fine, thus enable it.
+" In many terminal emulators the mouse works just fine, thus enable it. modified by YN
 if has('mouse')
-  set mouse=a
+  set mouse= "a
 endif
 
 " Ignore case when searching
@@ -261,13 +261,13 @@ try
 catch
 endtry
 
-" Return to last edit position when opening files (You want this!)
-" autocmd BufReadPost *
-"      \ if line("'\"") > 0 && line("'\"") <= line("$") |
-"      \   exe "normal! g`\"" |
-"      \ endif
+" Return to last edit position when opening files (You want this!) modified by YN
+ autocmd BufReadPost *
+     \ if line("'\"") > 0 && line("'\"") <= line("$") |
+     \   exe "normal! g`\"" |
+     \ endif
 " Remember info about open buffers on close
-" set viminfo^=%
+set viminfo^=%
 
 
 """"""""""""""""""""""""""""""