diff --git a/.rc/.vimrc b/.rc/.vimrc
index 5711490..e59d6ee 100644
--- a/.rc/.vimrc
+++ b/.rc/.vimrc
@@ -6,25 +6,28 @@ set softtabstop=4
 syntax enable  
 syntax on  
 set cursorline  
-  
+
 if &term=="xterm"  
-    set t_Co=8  
-    set t_Sb=^[[4%dm  
-    set t_Sf=^[[3%dm  
+	set t_Co=8  
+	set t_Sb=^[[4%dm  
+	set t_Sf=^[[3%dm  
 endif  
-  
+
 "indent based on file type  
 filetype indent plugin on  
 filetype on  
-  
+
 set autoindent   
 set smartindent   
 set ruler  
-  
+
 "show command in bottom   
 set showcmd  
-  
+
 set shiftwidth=4  
 set hlsearch  
 set encoding=utf-8   
 set fileencodings=ucs-bom,utf-8,cp936
+set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936
+set termencoding=utf-8
+set encoding=utf-8
diff --git a/shell/useful.sh b/shell/useful.sh
index 0cc48f8..fdc13c8 100644
--- a/shell/useful.sh
+++ b/shell/useful.sh
@@ -17,3 +17,12 @@ grep -r  "Redis" .
 
 # 查找文件
 sudo find / -name erl_crash.dump
+
+# 创建用户
+useradd -m USERNAME
+passwd USERNAME
+
+# change zsh
+chsh -s $(which zsh)
+# You may not change the shell for 'popkit'
+sudo usermod -s /bin/zsh popkit