diff --git a/lib/shadowsocks.js b/lib/shadowsocks.js
index 807b197..8d68273 100644
--- a/lib/shadowsocks.js
+++ b/lib/shadowsocks.js
@@ -11,9 +11,9 @@ exports.require = global.require;
 
 var arch = SYS.getArch();
 if(arch.indexOf("64") > -1) {
-    exports.binPath = "bin/shadowsocks-lib-mingw-x86_64/ss-local";
+    exports.binPath = "bin/shadowsocks-lib-mingw-x86_64/ss-local.exe";
 } else {
-    exports.binPath = "bin/shadowsocks-lib-mingw-x86/ss-local";
+    exports.binPath = "bin/shadowsocks-lib-mingw-x86/ss-local.exe";
 }
 
 exports.getRandomInt = function(min, max) {
diff --git a/lib/wintap.js b/lib/wintap.js
new file mode 100644
index 0000000..ab9f8b8
--- /dev/null
+++ b/lib/wintap.js
@@ -0,0 +1,33 @@
+////////////////////////////////////////////////////////////////////////
+// WindowsTAP API
+////////////////////////////////////////////////////////////////////////
+
+var SHELL = require("lib/shell");
+var SYS = require("lib/system");
+
+exports.VERSIONINFO = "WindowsTAP Lib (wintap.js) version 0.1";
+exports.global = global;
+exports.require = global.require;
+
+var arch = SYS.getArch();
+if(arch.indexOf("64") > -1) {
+    exports.binPath = "bin/tap-windows-9.24.2/amd64/tapinstall.exe";
+} else {
+    exports.binPath = "bin/tap-windows-9.24.2/i386/tapinstall.exe";
+}
+
+exports.install = function(inf, id) {
+    return SHELL.exec([exports.binPath, "install", inf, id]);
+};
+
+exports.update = function(inf, id) {
+    return SHELL.exec([exports.binPath, "update", inf, id]);
+};
+
+exports.query = function(id) {
+    return SHELL.exec([exports.binPath, "hwids", id]);
+};
+
+exports.remove = function(id) {
+    return SHELL.exec([exports.binPath, "remove", id]);
+};