diff --git a/README.md b/README.md
index b11feb9..87344c0 100644
--- a/README.md
+++ b/README.md
@@ -112,14 +112,14 @@ You could create project in `Visual Studio` by this way: [__CLICK__](./doc/vs.md
 First we should learn how to write and run a program using this language,
 click to see the [__tutorial__](#tutorial).
 
+Use this get version of interpreter:
+
+> ./nasal
+
 Input this command to run scripts __directly__:
 
 > ./nasal filename
 
-Use these commands to get version of interpreter:
-
-> ./nasal -v | --version
-
 Use these commands to get help(see more debug commands in help):
 
 > ./nasal -h | --help
diff --git a/doc/README_zh.md b/doc/README_zh.md
index 57d2f48..1a865d5 100644
--- a/doc/README_zh.md
+++ b/doc/README_zh.md
@@ -98,21 +98,17 @@ __`linux/macOS/Unix`__ 平台直接使用make即可:
 
 首先我们要通过[__教程__](#教程)知道这个语言的语法以及如何使用这个解释器来运行nasal程序。
 
+使用这个命令查看解释器的版本:
+
+> ./nasal
+
 输入下面的命令来 __直接__ 执行:
 
 > ./nasal filename
 
-下面两个命令可以用于查看解释器的版本:
-
-> ./nasal -v
->
-> ./nasal --version
-
 下面两个命令可以用于查看帮助(调试器的使用方法可以进入调试模式之后根据提示来查询):
 
-> ./nasal -h
->
-> ./nasal --help
+> ./nasal -h | --help
 
 如果你的操作系统是 __`Windows`__ 并且你想输出unicode，请保证你的控制台程序的代码页支持utf-8，若不支持，使用下面这个命令启用代码页:
 
diff --git a/lib.nas b/lib.nas
index 8621639..8fab0c8 100644
--- a/lib.nas
+++ b/lib.nas
@@ -428,6 +428,7 @@ var dylib=
     # open dynamic lib.
     dlopen:  func(libname){
         # find dynamic lib from local dir first
+        libname=(os.platform()=="windows"?".\\":"./")~libname;
         if(io.exists(libname))
             return __dlopen(libname);
         # find dynamic lib through PATH
diff --git a/stl/lib.nas b/stl/lib.nas
index 8621639..8fab0c8 100644
--- a/stl/lib.nas
+++ b/stl/lib.nas
@@ -428,6 +428,7 @@ var dylib=
     # open dynamic lib.
     dlopen:  func(libname){
         # find dynamic lib from local dir first
+        libname=(os.platform()=="windows"?".\\":"./")~libname;
         if(io.exists(libname))
             return __dlopen(libname);
         # find dynamic lib through PATH