diff --git a/src/components/Login.vue b/src/components/Login.vue
index adcf611..90f6ac2 100644
--- a/src/components/Login.vue
+++ b/src/components/Login.vue
@@ -24,7 +24,7 @@
         title="登录失败，请检查用户名和密码"
       ></n-alert>
       <n-flex>
-        <n-button block @click="submit" type="primary">登录</n-button>
+        <n-button block :loading="loading" @click="submit" type="primary">登录</n-button>
       </n-flex>
     </n-form>
   </n-modal>
@@ -37,18 +37,21 @@ import { user } from "../store/user"
 
 const name = ref("")
 const password = ref("")
-
+const loading = ref(false)
 const showMeesage = ref(false)
 
 async function submit() {
+  loading.value = true
   try {
     const data = await Account.login(name.value, password.value)
     user.username = data.username
     user.role = data.role
     user.loaded = true
     loginModal.value = false
+    loading.value = false
   } catch (err) {
     showMeesage.value = true
+    loading.value = false
   }
 }
 </script>
diff --git a/src/components/Tutorial.vue b/src/components/Tutorial.vue
index 7e73b88..986b520 100644
--- a/src/components/Tutorial.vue
+++ b/src/components/Tutorial.vue
@@ -82,25 +82,34 @@ function addButton() {
   const pres = $content.value?.querySelectorAll("pre") ?? []
   for (const pre of pres) {
     let timer = 0
-    const copy = action.cloneNode() as HTMLDivElement
-    pre.insertBefore(copy, pre.children[0])
+    let copyTimer = 0
+    const actions = action.cloneNode() as HTMLDivElement
+    pre.insertBefore(actions, pre.children[0])
     const code = pre.childNodes[1] as HTMLPreElement
     const match = code.className.match(/-(.*)/)
     let lang = "html"
     if (match) lang = match[1].toLowerCase()
-    copy.innerHTML = `<span class="lang">${lang.toUpperCase()}</span><div class="btn">替换<div>`
-    const btn = copy.children[1] as HTMLDivElement
-    btn.onclick = () => {
+    actions.innerHTML = `<span class="lang">${lang.toUpperCase()}</span><div><div class="btn copy">复制</div><div class="btn">替换</div></div>`
+    const $copy = actions.children[1].children[0] as HTMLDivElement
+    const $replace = actions.children[1].children[1] as HTMLDivElement
+    $copy.onclick = () => {
+      $copy.innerHTML = "已复制"
+      clearTimeout(copyTimer)
+      copyTimer = setTimeout(() => {
+        $copy.innerHTML = "复制"
+      }, 1000)
+    }
+    $replace.onclick = () => {
       tab.value = lang
       const content = pre.children[1].textContent
       if (lang === "html") html.value = content
       if (lang === "css") css.value = content
       if (lang === "js") js.value = content
       // 样式
-      btn.innerHTML = "已替换"
+      $replace.innerHTML = "已替换"
       clearTimeout(timer)
       timer = setTimeout(() => {
-        btn.innerHTML = "替换"
+        $replace.innerHTML = "替换"
       }, 1000)
     }
   }
@@ -185,4 +194,8 @@ watch(step, render)
   border-radius: 0.4rem;
   font-size: 1rem;
 }
+
+.codeblock-action .btn.copy {
+  right: 60px;
+}
 </style>