diff --git a/components.d.ts b/components.d.ts
index 4e3b52d..690c297 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -12,6 +12,7 @@ export {}
 /* prettier-ignore */
 declare module 'vue' {
   export interface GlobalComponents {
+    ChangePasswordForm: typeof import('./src/components/change-password-form.vue')['default']
     ElBreadcrumb: typeof import('element-plus/es')['ElBreadcrumb']
     ElBreadcrumbItem: typeof import('element-plus/es')['ElBreadcrumbItem']
     ElButton: typeof import('element-plus/es')['ElButton']
@@ -70,6 +71,7 @@ declare module 'vue' {
 
 // For TSX support
 declare global {
+  const ChangePasswordForm: typeof import('./src/components/change-password-form.vue')['default']
   const ElBreadcrumb: typeof import('element-plus/es')['ElBreadcrumb']
   const ElBreadcrumbItem: typeof import('element-plus/es')['ElBreadcrumbItem']
   const ElButton: typeof import('element-plus/es')['ElButton']
diff --git a/src/api/auth.ts b/src/api/auth.ts
index 90fad6b..0443340 100644
--- a/src/api/auth.ts
+++ b/src/api/auth.ts
@@ -21,3 +21,8 @@ export function register(data: {
 }): Promise<{ id: string; username: string }> {
   return http.post<{ id: string; username: string }>('/auth/register', data)
 }
+
+/** 修改本人密码。 */
+export function changePassword(oldPassword: string, newPassword: string): Promise<unknown> {
+  return http.patch('/auth/me/password', { oldPassword, newPassword })
+}
diff --git a/src/components/change-password-form.vue b/src/components/change-password-form.vue
new file mode 100644
index 0000000..d6bd31a
--- /dev/null
+++ b/src/components/change-password-form.vue
@@ -0,0 +1,48 @@
+<template>
+  <el-form ref="formRef" :model="model" :rules="rules" label-width="80px">
+    <el-form-item label="原密码" prop="oldPassword">
+      <el-input v-model="model.oldPassword" type="password" show-password />
+    </el-form-item>
+    <el-form-item label="新密码" prop="newPassword">
+      <el-input v-model="model.newPassword" type="password" show-password />
+    </el-form-item>
+    <el-form-item label="确认密码" prop="confirmPassword">
+      <el-input v-model="model.confirmPassword" type="password" show-password />
+    </el-form-item>
+  </el-form>
+</template>
+
+<script setup lang="ts">
+import { reactive, ref } from 'vue'
+import type { FormInstance, FormRules } from 'element-plus'
+
+defineOptions({ name: 'ChangePasswordForm' })
+
+const formRef = ref<FormInstance>()
+const model = reactive({ oldPassword: '', newPassword: '', confirmPassword: '' })
+
+const rules: FormRules = {
+  oldPassword: [{ required: true, message: '请输入原密码', trigger: 'blur' }],
+  newPassword: [
+    { required: true, message: '请输入新密码', trigger: 'blur' },
+    { min: 6, message: '密码长度不能少于 6 位', trigger: 'blur' },
+  ],
+  confirmPassword: [
+    { required: true, message: '请再次输入新密码', trigger: 'blur' },
+    {
+      validator: (_rule, value, callback) => {
+        if (value !== model.newPassword) callback(new Error('两次输入的密码不一致'))
+        else callback()
+      },
+      trigger: 'blur',
+    },
+  ],
+}
+
+async function submit(): Promise<{ oldPassword: string; newPassword: string }> {
+  await formRef.value?.validate()
+  return { oldPassword: model.oldPassword, newPassword: model.newPassword }
+}
+
+defineExpose({ submit })
+</script>
diff --git a/src/components/ty-header.vue b/src/components/ty-header.vue
index ed84235..904b63d 100644
--- a/src/components/ty-header.vue
+++ b/src/components/ty-header.vue
@@ -56,6 +56,7 @@
         </span>
         <template #dropdown>
           <el-dropdown-menu>
+            <el-dropdown-item command="change-password">修改密码</el-dropdown-item>
             <el-dropdown-item command="logout">退出登录</el-dropdown-item>
           </el-dropdown-menu>
         </template>
@@ -143,6 +144,7 @@ const emit = defineEmits<{
   (e: 'toggle-fullscreen'): void
   (e: 'open-settings'): void
   (e: 'navigate', path: string): void
+  (e: 'change-password'): void
   (e: 'logout'): void
 }>()
 
@@ -152,6 +154,7 @@ function onNavSelect(index: string): void {
 
 function onUserCommand(command: string): void {
   if (command === 'logout') emit('logout')
+  else if (command === 'change-password') emit('change-password')
 }
 </script>
 
diff --git a/src/layouts/default.vue b/src/layouts/default.vue
index 8b9b212..5553c6d 100644
--- a/src/layouts/default.vue
+++ b/src/layouts/default.vue
@@ -22,6 +22,7 @@
       @toggle-fullscreen="toggleFullscreen"
       @open-settings="settingsOpen = true"
       @navigate="handleNavigate"
+      @change-password="handleChangePassword"
       @logout="handleLogout"
     />
 
@@ -69,6 +70,7 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
+import { ElMessage } from 'element-plus'
 import { useAppStore } from '@/stores/modules/app'
 import { HOME_PATH, useTabsStore } from '@/stores/modules/tabs'
 import { useAuthStore } from '@/stores/modules/auth'
@@ -80,6 +82,9 @@ import type { LayoutSettings } from '@/config/layout'
 import type { ResourceNode } from '@/types/resource'
 import type { BreadcrumbItem } from '@/components/ty-breadcrumb.vue'
 import { applyTheme } from '@/utils/theme'
+import { showDialog } from '@/utils/dialog'
+import { changePassword } from '@/api/auth'
+import ChangePasswordForm from '@/components/change-password-form.vue'
 
 const app = useAppStore()
 const tabsStore = useTabsStore()
@@ -231,6 +236,18 @@ async function handleLogout(): Promise<void> {
   router.push('/login')
 }
 
+async function handleChangePassword(): Promise<void> {
+  const result = await showDialog({
+    component: ChangePasswordForm,
+    title: '修改密码',
+    width: '420px',
+  })
+  if (result == null) return
+  await changePassword(result.oldPassword, result.newPassword)
+  ElMessage.success('密码已修改，请重新登录')
+  await handleLogout()
+}
+
 /** 把菜单索引（path 或 code）解析为可跳转的叶子路径。 */
 function resolveTarget(index: string): string | null {
   const node = findMenu(index)