diff --git a/src/components/md-pin.tsx b/src/components/md-pin.tsx
index 6a17a41..0e6a50b 100644
--- a/src/components/md-pin.tsx
+++ b/src/components/md-pin.tsx
@@ -13,6 +13,8 @@ customElement("md-pin", { x: 0, y: 0 }, (props, { element }) => {
     width: "0",
     height: "0"
   });
+  const [showToast, setShowToast] = createSignal(false);
+  const [toastMessage, setToastMessage] = createSignal("");
   let pinContainer: HTMLSpanElement | undefined;
   let targetImage: HTMLImageElement | undefined;
   let resizeObserver: ResizeObserver | undefined;
@@ -124,23 +126,63 @@ customElement("md-pin", { x: 0, y: 0 }, (props, { element }) => {
     }
   });
 
+  // 处理点击，报告坐标并复制到剪贴板
+  const handleClick = (e: MouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    
+    if (!targetImage) return;
+
+    const imgRect = targetImage.getBoundingClientRect();
+    
+    // 计算点击位置相对于图片的百分比
+    const clickX = ((e.clientX - imgRect.left) / imgRect.width) * 100;
+    const clickY = ((e.clientY - imgRect.top) / imgRect.height) * 100;
+    
+    // 四舍五入到整数
+    const x = Math.round(clickX);
+    const y = Math.round(clickY);
+    
+    // 生成格式化的坐标字符串
+    const coordText = `:md-pin[${label || ''}]{x=${x} y=${y}}`;
+    
+    // 复制到剪贴板
+    navigator.clipboard.writeText(coordText).then(() => {
+      setToastMessage(`已复制：${coordText}`);
+      setShowToast(true);
+      setTimeout(() => setShowToast(false), 2000);
+    }).catch(err => {
+      console.error('复制失败:', err);
+    });
+  };
+
   return (
-    <span ref={pinContainer} class="md-pin-container" style={{ display: 'inline', position: containerStyle().position, top: containerStyle().top, left: containerStyle().left, width: containerStyle().width, height: containerStyle().height }}>
+    <span 
+      ref={pinContainer} 
+      class="md-pin-container" 
+      style={{ display: 'inline', position: containerStyle().position, top: containerStyle().top, left: containerStyle().left, width: containerStyle().width, height: containerStyle().height }}
+      onClick={handleClick}
+    >
       <Show when={visible() && targetImage}>
         <span
           class="md-pin absolute transform -translate-x-1/2 -translate-y-1/2 pointer-events-auto cursor-pointer
-                 bg-red-500 text-white text-xs font-bold rounded-full w-6 h-6 
+                 bg-red-500 text-white text-xs font-bold rounded-full w-6 h-6
                  flex items-center justify-center shadow-lg
                  hover:bg-red-600 hover:scale-110 transition-all z-10"
           style={{
             left: position().left,
             top: position().top
           }}
-          title={label || '标记点'}
+          title={label || '点击复制坐标'}
         >
           {label || '📍'}
         </span>
       </Show>
+      <Show when={showToast()}>
+        <div class="fixed bottom-4 left-1/2 transform -translate-x-1/2 bg-gray-800 text-white px-4 py-2 rounded shadow-lg text-sm z-50">
+          {toastMessage()}
+        </div>
+      </Show>
     </span>
   );
 });
diff --git a/todo.md b/todo.md
index 3394080..69d74f5 100644
--- a/todo.md
+++ b/todo.md
@@ -1,7 +1,6 @@
 # todo
 
-## App
+## md-pin
 
-- [ ] 增强`data-loader`的功能，允许其生成目录树以及标题结构
-- [ ] 添加一个侧边栏组件，用于显示目录树
-- [ ] 在导航里添加按钮用于呼出侧边栏目录
+- [ ] 创建并注册:md-pin组件。
+- [ ] 对于:md-pin[A]{x=100 y=200} 而言，其将定位上方最近的一张图片，并在指定坐标位置上显示`A`的pin。