diff --git a/index.html b/index.html
index f9a1be3..738cf3a 100644
--- a/index.html
+++ b/index.html
@@ -54,6 +54,10 @@
                 <div class="iconfont icon-select"></div>
             </button>
         </div>
+
+        <a href="/madderscientist/noteDigger" class="f">
+            <img src="./style/github-mark-white.png" alt="项目地址" style="width: 34px; height: 34px;">
+        </a>
     </div>
     <!-- 下半部分 操作区 -->
     <div class="flexfull fr">
@@ -64,7 +68,7 @@
         <div class="flexfull fc" style="position: relative; z-index: 0; border-left: var(--theme-dark) solid 3px;">
             <div id="Canvases-Container" class="flexfull">
                 <div class="f wf" style="height: 40px;">
-                    <button id="play-btn">当前时间<br>总时长</button>
+                    <button id="play-btn" draggable="false">当前时间<br>总时长</button>
                     <canvas id="timeBar" width="1000px" height="40px"></canvas>
                 </div>
                 <div class="f wf">
diff --git a/logo/logo.png b/logo/logo.png
new file mode 100644
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diff --git a/logo/logo10.png b/logo/logo10.png
new file mode 100644
index 0000000..5d538ee
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diff --git a/logo/logo12.png b/logo/logo12.png
new file mode 100644
index 0000000..43d2334
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diff --git a/logo/logo13.png b/logo/logo13.png
new file mode 100644
index 0000000..75a82c3
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diff --git a/logo/logo14.png b/logo/logo14.png
new file mode 100644
index 0000000..7dff7ad
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diff --git a/logo/logo2.png b/logo/logo2.png
new file mode 100644
index 0000000..89d5be9
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diff --git a/logo/logo5.png b/logo/logo5.png
new file mode 100644
index 0000000..0610fd6
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diff --git a/logo/logo6.png b/logo/logo6.png
new file mode 100644
index 0000000..cbfa9a3
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diff --git a/logo/logo8.png b/logo/logo8.png
new file mode 100644
index 0000000..7288cae
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diff --git a/siderMenu.js b/siderMenu.js
index 255a210..33e997c 100644
--- a/siderMenu.js
+++ b/siderMenu.js
@@ -39,7 +39,7 @@ class SiderContent extends HTMLDivElement {
     _mouseup() {
         document.removeEventListener('mousemove', this.resize);
         document.removeEventListener('mouseup', this.mouseup);
-        bar.blur();
+        this.bar.blur();
         window.dispatchEvent(new Event("resize"));  // 触发app.resize
     }
     get display() {
@@ -98,6 +98,7 @@ class SiderMenu extends HTMLDivElement {
         this.appendChild(tab);
         if(this.tabs.push(tab) == 1) {
             tab.classList.add('selected');
+            dom.style.display = 'block';
         } return this;  // 供链式调用
     }
     _tabClick(e) {
diff --git a/style/github-mark-white.png b/style/github-mark-white.png
new file mode 100644
index 0000000..ae9574c
Binary files /dev/null and b/style/github-mark-white.png differ
diff --git a/todo.md b/todo.md
index 4d3fb55..b34b22c 100644
--- a/todo.md
+++ b/todo.md
@@ -131,4 +131,8 @@ filter.connect(audioContext.destination);
 ```
 仍然可以通过audioElement控制整体的播放。需要注意audioContext的状态：
 如果是suspend，则需要resume(); audioContext刚创建就是这个状态，此时调用audioElement.play()无效。
-但只要有osc被调用了start()，audioContext就会变成running。
\ No newline at end of file
+但只要有osc被调用了start()，audioContext就会变成running。
+
+
+## icon
+缺少favicon.ico
\ No newline at end of file