diff --git a/image/GPIO.png b/image/GPIO.png
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diff --git a/index.html b/index.html
index 70806d7..2e8bbe5 100644
--- a/index.html
+++ b/index.html
@@ -68,11 +68,6 @@
                 <script src="https://gist.github.com/PinLin/3f6c1885d3c22d9fbf6a726788778112.js"></script>
             </div>
 
-            <div class="tk1 col-lg-12">
-                <h2 class="text-center"><code>TK1 的 GPIO</code></h2>
-                <img src="image/GPIO.png" alt="LED Pin Picture" width="100%">
-            </div>
-
             <div class="video col-lg-12">
                 <div class="embed-responsive embed-responsive-16by9">
                     <video src="https://myweb.ntut.edu.tw/TaipeiTech.mp4" controls preload="none" class="embed-responsive-item" type="video/mp4">