diff --git a/LICENSE.txt b/LICENSE.txt
index 0a2ded60..36e79f07 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -75,3 +75,4 @@ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/shadowsocks-csharp/Data/qrcode.htm b/shadowsocks-csharp/Data/qrcode.htm
new file mode 100644
index 00000000..c792bc35
--- /dev/null
+++ b/shadowsocks-csharp/Data/qrcode.htm
@@ -0,0 +1,28 @@
+<!doctype html>
+<script src="jquery.min.js">
+</script>
+<script src="qrcode.min.js">
+</script>
+<style>
+    body {
+        padding: 10px;
+        margin: 0;
+    }
+    #qrcode {
+        width:300px;
+        height:300px;
+    }
+</style>
+<div id="qrcode"></div>
+<script type="text/javascript">
+    function genCode(code) {
+        new QRCode("qrcode", {
+                   text: code,
+                   width: 300,
+                   height: 300,
+                   colorDark : "#000000",
+                   colorLight : "#ffffff",
+                   correctLevel : QRCode.CorrectLevel.H
+                   });
+    }
+</script>
\ No newline at end of file
diff --git a/shadowsocks-csharp/Data/qrcode.min.js.gz b/shadowsocks-csharp/Data/qrcode.min.js.gz
new file mode 100644
index 00000000..0dbeb459
Binary files /dev/null and b/shadowsocks-csharp/Data/qrcode.min.js.gz differ
