diff --git a/index.html b/index.html
index 85e2b54..8326768 100644
--- a/index.html
+++ b/index.html
@@ -14,12 +14,7 @@
       <a href="https://git.ny4.dev/nyancat/chicken-box">
         <img src="/cxk.webp" alt="鸡音盒" class="size-32" />
       </a>
-      <div class="inline-flex rounded-lg shadow-sm">
-        <button type="button" class="chicken-button" id="chicken">鸡</button>
-        <button type="button" class="chicken-button" id="you">你</button>
-        <button type="button" class="chicken-button" id="so">太</button>
-        <button type="button" class="chicken-button" id="beautiful">美</button>
-      </div>
+      <div id="cxk-container"></div>
     </div>
   </body>
 </html>
diff --git a/public/beautiful.opus b/public/one/beautiful.opus
similarity index 100%
rename from public/beautiful.opus
rename to public/one/beautiful.opus
diff --git a/public/chicken.opus b/public/one/chicken.opus
similarity index 100%
rename from public/chicken.opus
rename to public/one/chicken.opus
diff --git a/public/so.opus b/public/one/so.opus
similarity index 100%
rename from public/so.opus
rename to public/one/so.opus
diff --git a/public/you.opus b/public/one/you.opus
similarity index 100%
rename from public/you.opus
rename to public/one/you.opus
diff --git a/public/two/basketball.opus b/public/two/basketball.opus
new file mode 100644
index 0000000..90095d1
Binary files /dev/null and b/public/two/basketball.opus differ
diff --git a/public/two/jump.opus b/public/two/jump.opus
new file mode 100644
index 0000000..b9813c6
Binary files /dev/null and b/public/two/jump.opus differ
diff --git a/public/two/rap.opus b/public/two/rap.opus
new file mode 100644
index 0000000..4ae4d6b
Binary files /dev/null and b/public/two/rap.opus differ
diff --git a/public/two/sing.opus b/public/two/sing.opus
new file mode 100644
index 0000000..9aa80e0
Binary files /dev/null and b/public/two/sing.opus differ
diff --git a/src/main.ts b/src/main.ts
index ef0f981..02d2e74 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,3 +1,11 @@
+type Button = {
+  id: string;
+  text: string;
+  key: string;
+  code: string;
+  file: string;
+};
+
 const audioCache: Record<string, AudioBuffer> = {};
 
 const audioPlay = async (url: string) => {
@@ -17,29 +25,93 @@ const audioPlay = async (url: string) => {
   source.start();
 };
 
-const chicken = document.querySelector("#chicken")! as HTMLButtonElement;
-const you = document.querySelector("#you")! as HTMLButtonElement;
-const so = document.querySelector("#so")! as HTMLButtonElement;
-const beautiful = document.querySelector("#beautiful")! as HTMLButtonElement;
+const buttons: Button[][] = [
+  [
+    {
+      id: "chicken",
+      text: "鸡",
+      key: "1",
+      code: "Digit1",
+      file: "/one/chicken.opus",
+    },
+    {
+      id: "you",
+      text: "你",
+      key: "2",
+      code: "Digit2",
+      file: "/one/you.opus",
+    },
+    {
+      id: "so",
+      text: "太",
+      key: "3",
+      code: "Digit3",
+      file: "/one/so.opus",
+    },
+    {
+      id: "beautiful",
+      text: "美",
+      key: "4",
+      code: "Digit4",
+      file: "/one/beautiful.opus",
+    },
+  ],
+  [
+    {
+      id: "sing",
+      text: "唱",
+      key: "Q",
+      code: "KeyQ",
+      file: "/two/sing.opus",
+    },
+    {
+      id: "jump",
+      text: "跳",
+      key: "W",
+      code: "KeyW",
+      file: "/two/jump.opus",
+    },
+    {
+      id: "rap",
+      text: "rap",
+      key: "E",
+      code: "KeyE",
+      file: "/two/rap.opus",
+    },
+    {
+      id: "basketball",
+      text: "篮球",
+      key: "R",
+      code: "KeyR",
+      file: "/two/basketball.opus",
+    },
+  ],
+];
 
-chicken.onclick = () => audioPlay("/chicken.opus");
-you.onclick = () => audioPlay("/you.opus");
-so.onclick = () => audioPlay("/so.opus");
-beautiful.onclick = () => audioPlay("/beautiful.opus");
+buttons.forEach((row) => {
+  const container = document.querySelector(`#cxk-container`) as HTMLDivElement;
+  const buttonGroup = document.createElement("div");
 
-document.onkeydown = function (e) {
-  switch (e.key) {
-    case "1":
-      audioPlay("/chicken.opus");
-      break;
-    case "2":
-      audioPlay("/you.opus");
-      break;
-    case "3":
-      audioPlay("/so.opus");
-      break;
-    case "4":
-      audioPlay("/beautiful.opus");
-      break;
+  container.appendChild(buttonGroup);
+
+  row.forEach(({ id, text, key, file }) => {
+    const button = document.createElement("button");
+    button.type = "button";
+    button.id = id;
+    button.textContent = text;
+    button.onclick = () => audioPlay(file);
+
+    const buttonKey = document.createElement("p");
+    buttonKey.textContent = key;
+
+    buttonGroup.appendChild(button);
+    button.appendChild(buttonKey);
+  });
+});
+
+document.onkeydown = (e) => {
+  const button = buttons.flat().find((b) => b.code === e.code);
+  if (button) {
+    audioPlay(button.file);
   }
 };
diff --git a/src/style.css b/src/style.css
index 4708f28..ae06b25 100644
--- a/src/style.css
+++ b/src/style.css
@@ -3,13 +3,19 @@
 @tailwind utilities;
 
 @layer components {
-  .chicken-button {
-    @apply relative py-3 px-4 inline-flex items-center gap-x-2 -ms-px first:rounded-s-lg first:ms-0 last:rounded-e-lg text-sm font-medium focus:z-10 border border-gray-200 bg-white text-gray-800 shadow-sm hover:bg-gray-50 focus:outline-none disabled:opacity-50 disabled:pointer-events-none dark:bg-neutral-900 dark:border-neutral-700 dark:text-white dark:hover:bg-neutral-800;
-    counter-increment: index;
+  #cxk-container {
+    @apply flex flex-col gap-2;
   }
 
-  .chicken-button:before {
+  #cxk-container > * {
+    @apply inline-flex rounded-lg shadow-sm;
+  }
+
+  #cxk-container > * > * {
+    @apply relative h-12 w-16 justify-center inline-flex items-center gap-x-2 -ms-px first:rounded-s-lg first:ms-0 last:rounded-e-lg text-sm font-medium focus:z-10 border border-gray-200 bg-white text-gray-800 shadow-sm hover:bg-gray-50 focus:outline-none disabled:opacity-50 disabled:pointer-events-none dark:bg-neutral-900 dark:border-neutral-700 dark:text-white dark:hover:bg-neutral-800;
+  }
+
+  #cxk-container > * > * > * {
     @apply absolute top-1 left-1 text-xs text-neutral-500;
-    content: counter(index);
   }
 }