diff --git a/src/App.vue b/src/App.vue
index 0f058cd..d8fa602 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -145,9 +145,9 @@ const {
               <div class="scan-dot dot-three"></div>
             </div>
           </div>
-          <p class="eyebrow">Scanning</p>
-          <h2>Reading local browser data</h2>
-          <p>Profiles, extensions, bookmarks, and saved login sites are being collected.</p>
+          <p class="eyebrow">扫描中</p>
+          <h2>正在读取本地浏览器数据</h2>
+          <p>正在收集用户资料、插件、书签和已保存登录站点。</p>
           <div class="loading-steps" aria-hidden="true">
             <span></span>
             <span></span>
@@ -158,8 +158,8 @@ const {
 
       <template v-else-if="error">
         <section class="state-panel error">
-          <p class="eyebrow">Error</p>
-          <h2>Scan failed</h2>
+          <p class="eyebrow">错误</p>
+          <h2>扫描失败</h2>
           <p>{{ error }}</p>
         </section>
       </template>
@@ -246,9 +246,9 @@ const {
 
       <template v-else>
         <section class="state-panel">
-          <p class="eyebrow">No Data</p>
-          <h2>No supported browser was detected</h2>
-          <p>Install or sign in to Chrome, Edge, or Brave and refresh the scan.</p>
+          <p class="eyebrow">无数据</p>
+          <h2>没有检测到受支持的浏览器</h2>
+          <p>请安装或登录 Chrome、Edge、Brave 等浏览器后再刷新扫描。</p>
         </section>
       </template>
     </main>
diff --git a/src/components/browser-data/AssociatedProfilesModal.vue b/src/components/browser-data/AssociatedProfilesModal.vue
index adf81f9..0b281e7 100644
--- a/src/components/browser-data/AssociatedProfilesModal.vue
+++ b/src/components/browser-data/AssociatedProfilesModal.vue
@@ -64,7 +64,7 @@ function isSelected(profileId: string) {
       <div class="modal-header">
         <h3>{{ title }}</h3>
         <button class="secondary-button modal-close-button" type="button" @click="emit('close')">
-          Close
+          关闭
         </button>
       </div>
 
@@ -83,7 +83,7 @@ function isSelected(profileId: string) {
                 <path d="M3.5 8.2L6.4 11.1L12.5 4.9" />
               </svg>
             </span>
-            <span>Select All</span>
+            <span>全选</span>
           </label>
           <button
             class="danger-button"
@@ -91,14 +91,14 @@ function isSelected(profileId: string) {
             :disabled="!selectedProfileIds.length || deleteBusy"
             @click="emit('deleteSelectedProfiles')"
           >
-            {{ deleteBusy ? "Deleting..." : `Delete Selected (${selectedProfileIds.length})` }}
+            {{ deleteBusy ? "删除中..." : `删除所选（${selectedProfileIds.length}）` }}
           </button>
         </div>
 
         <div class="modal-table-header modal-grid" :class="{ bookmark: isBookmark, extension: isExtension }">
-          <div v-if="isSelectableMode" class="header-cell checkbox-cell">Pick</div>
-          <div class="header-cell icon-cell">Avatar</div>
-          <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="sortKey = 'name'">Name</button>
+          <div v-if="isSelectableMode" class="header-cell checkbox-cell">选择</div>
+          <div class="header-cell icon-cell">头像</div>
+          <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="sortKey = 'name'">名称</button>
           <button
             v-if="!isExtension && !isBookmark"
             class="header-cell sortable"
@@ -106,11 +106,11 @@ function isSelected(profileId: string) {
             type="button"
             @click="sortKey = 'id'"
           >
-            Profile ID
+            资料 ID
           </button>
-          <div v-if="isExtension" class="header-cell">Source</div>
-          <div v-if="isBookmark" class="header-cell">Bookmark Path</div>
-          <div class="header-cell actions-cell">Action</div>
+          <div v-if="isExtension" class="header-cell">来源</div>
+          <div v-if="isBookmark" class="header-cell">书签路径</div>
+          <div class="header-cell actions-cell">操作</div>
         </div>
         <div class="modal-table-body styled-scrollbar">
           <article
@@ -151,7 +151,7 @@ function isSelected(profileId: string) {
               <span class="badge neutral">{{ profile.id }}</span>
             </div>
             <div v-if="isExtension && hasInstallSource(profile)" class="row-cell muted-cell">
-              {{ profile.installSource === "store" ? "Store" : "External" }}
+              {{ profile.installSource === "store" ? "商店安装" : "外部安装" }}
             </div>
             <div
               v-if="isBookmark && hasBookmarkPath(profile)"
@@ -167,7 +167,7 @@ function isSelected(profileId: string) {
                 :disabled="isOpeningProfile(browserId, profile.id)"
                 @click="emit('openProfile', browserId, profile.id)"
               >
-                {{ isOpeningProfile(browserId, profile.id) ? "Opening..." : "Open" }}
+                {{ isOpeningProfile(browserId, profile.id) ? "打开中..." : "打开" }}
               </button>
               <button
                 v-if="isSelectableMode"
@@ -176,7 +176,7 @@ function isSelected(profileId: string) {
                 :disabled="deleteBusy"
                 @click="emit('deleteProfile', profile.id)"
               >
-                Delete
+                删除
               </button>
             </div>
           </article>
@@ -217,12 +217,22 @@ function isSelected(profileId: string) {
   align-items: center;
   justify-content: space-between;
   gap: 12px;
+  min-width: 0;
 }
 
 .modal-header h3 {
   margin: 0;
   font-weight: 600;
   letter-spacing: -0.03em;
+  min-width: 0;
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.modal-close-button {
+  flex-shrink: 0;
 }
 
 .modal-table {
diff --git a/src/components/browser-data/BookmarkRemovalModal.vue b/src/components/browser-data/BookmarkRemovalModal.vue
index b0f129b..c5f9ef8 100644
--- a/src/components/browser-data/BookmarkRemovalModal.vue
+++ b/src/components/browser-data/BookmarkRemovalModal.vue
@@ -52,19 +52,18 @@ const resultSummary = computed(() => {
     <section class="modal-card">
       <div class="modal-header">
         <h3>{{ title }}</h3>
-        <button class="secondary-button" type="button" @click="emit('close')">Close</button>
+        <button class="secondary-button" type="button" @click="emit('close')">关闭</button>
       </div>
 
       <template v-if="mode === 'confirm'">
         <p class="modal-copy">
-          This will remove {{ bookmarkCount }} bookmark{{ bookmarkCount === 1 ? "" : "s" }} from
-          {{ profileCount }} profile{{ profileCount === 1 ? "" : "s" }}.
+          将从 {{ profileCount }} 个资料中删除 {{ bookmarkCount }} 个书签。
         </p>
 
         <div class="modal-actions">
-          <button class="secondary-button" type="button" @click="emit('close')">Cancel</button>
+          <button class="secondary-button" type="button" @click="emit('close')">取消</button>
           <button class="danger-button" type="button" :disabled="busy" @click="emit('confirm')">
-            {{ busy ? "Deleting..." : "Confirm Delete" }}
+            {{ busy ? "删除中..." : "确认删除" }}
           </button>
         </div>
       </template>
@@ -72,15 +71,11 @@ const resultSummary = computed(() => {
       <template v-else>
         <p v-if="generalError" class="result-banner error">{{ generalError }}</p>
         <p class="modal-copy">
-          Successfully removed {{ resultSummary.successCount }} bookmark{{
-            resultSummary.successCount === 1 ? "" : "s"
-          }}. Failed to remove {{ resultSummary.failedCount }} bookmark{{
-            resultSummary.failedCount === 1 ? "" : "s"
-          }}.
+          成功删除 {{ resultSummary.successCount }} 个书签，失败 {{ resultSummary.failedCount }} 个。
         </p>
 
         <div class="modal-actions">
-          <button class="primary-button" type="button" @click="emit('close')">Close</button>
+          <button class="primary-button" type="button" @click="emit('close')">关闭</button>
         </div>
       </template>
     </section>
diff --git a/src/components/browser-data/BookmarksList.vue b/src/components/browser-data/BookmarksList.vue
index b51548b..0b90a2f 100644
--- a/src/components/browser-data/BookmarksList.vue
+++ b/src/components/browser-data/BookmarksList.vue
@@ -47,7 +47,7 @@ function isSelected(url: string) {
               <path d="M3.5 8.2L6.4 11.1L12.5 4.9" />
             </svg>
           </span>
-          <span>Select All</span>
+          <span>全选</span>
         </label>
         <button
           class="danger-button"
@@ -55,15 +55,15 @@ function isSelected(url: string) {
           :disabled="!selectedBookmarkUrls.length || deleteBusy"
           @click="emit('deleteSelected')"
         >
-          {{ deleteBusy ? "Deleting..." : `Delete Selected (${selectedBookmarkUrls.length})` }}
+          {{ deleteBusy ? "删除中..." : `删除所选（${selectedBookmarkUrls.length}）` }}
         </button>
       </div>
 
       <div class="data-table-header bookmarks-grid">
-        <div class="header-cell checkbox-cell">Pick</div>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'title' }" type="button" @click="emit('update:sortKey', 'title')">Name</button>
+        <div class="header-cell checkbox-cell">选择</div>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'title' }" type="button" @click="emit('update:sortKey', 'title')">名称</button>
         <button class="header-cell sortable" :class="{ active: sortKey === 'url' }" type="button" @click="emit('update:sortKey', 'url')">URL</button>
-        <div class="header-cell actions-cell">Actions</div>
+        <div class="header-cell actions-cell">操作</div>
       </div>
       <div class="data-table-body styled-scrollbar">
         <article v-for="bookmark in bookmarks" :key="bookmark.url" class="data-table-row bookmarks-grid">
@@ -89,7 +89,7 @@ function isSelected(url: string) {
           <div class="row-cell muted-cell" :title="bookmark.url">{{ bookmark.url }}</div>
           <div class="row-cell actions-cell">
             <button class="disclosure-button" type="button" @click="emit('showProfiles', bookmark.url)">
-              <span>View</span>
+              <span>查看</span>
               <span class="badge neutral">{{ bookmark.profileIds.length }}</span>
             </button>
             <button
@@ -98,14 +98,14 @@ function isSelected(url: string) {
               :disabled="deleteBusy"
               @click="emit('deleteBookmark', bookmark.url)"
             >
-              Delete
+              删除
             </button>
           </div>
         </article>
       </div>
     </div>
     <div v-else class="empty-card">
-      <p>No bookmarks were discovered for this browser.</p>
+      <p>这个浏览器没有扫描到任何书签。</p>
     </div>
   </section>
 </template>
diff --git a/src/components/browser-data/BrowserDataView.vue b/src/components/browser-data/BrowserDataView.vue
index 30af56a..4cb72fe 100644
--- a/src/components/browser-data/BrowserDataView.vue
+++ b/src/components/browser-data/BrowserDataView.vue
@@ -126,7 +126,7 @@ const emit = defineEmits<{
       type="button"
       @click="emit('update:activeSection', 'profiles')"
     >
-      <span>Profiles</span>
+      <span>资料</span>
       <span class="count-pill">{{ sectionCount("profiles") }}</span>
     </button>
     <button
@@ -135,7 +135,7 @@ const emit = defineEmits<{
       type="button"
       @click="emit('update:activeSection', 'extensions')"
     >
-      <span>Extensions</span>
+      <span>插件</span>
       <span class="count-pill">{{ sectionCount("extensions") }}</span>
     </button>
     <button
@@ -144,7 +144,7 @@ const emit = defineEmits<{
       type="button"
       @click="emit('update:activeSection', 'bookmarks')"
     >
-      <span>Bookmarks</span>
+      <span>书签</span>
       <span class="count-pill">{{ sectionCount("bookmarks") }}</span>
     </button>
     <button
@@ -153,7 +153,7 @@ const emit = defineEmits<{
       type="button"
       @click="emit('update:activeSection', 'passwords')"
     >
-      <span>Saved Logins</span>
+      <span>已保存登录</span>
       <span class="count-pill">{{ sectionCount("passwords") }}</span>
     </button>
     <button
@@ -162,7 +162,7 @@ const emit = defineEmits<{
       type="button"
       @click="emit('update:activeSection', 'history')"
     >
-      <span>History</span>
+      <span>历史</span>
       <span class="count-pill">{{ sectionCount("history") }}</span>
     </button>
   </section>
@@ -233,7 +233,7 @@ const emit = defineEmits<{
   <HistoryCleanupModal
     v-if="historyCleanupConfirmProfiles.length"
     mode="confirm"
-    title="Confirm History Cleanup"
+    title="确认清理历史"
     :profiles="historyCleanupConfirmProfiles"
     :results="[]"
     :busy="cleanupHistoryBusy"
@@ -244,7 +244,7 @@ const emit = defineEmits<{
   <HistoryCleanupModal
     v-if="historyCleanupResultOpen"
     mode="result"
-    title="Cleanup Result"
+    title="清理结果"
     :profiles="[]"
     :results="cleanupHistoryResults"
     :general-error="cleanupHistoryError"
@@ -254,7 +254,7 @@ const emit = defineEmits<{
   <BookmarkRemovalModal
     v-if="bookmarkRemovalConfirmBookmarkCount > 0"
     mode="confirm"
-    title="Confirm Bookmark Removal"
+    title="确认删除书签"
     :bookmark-count="bookmarkRemovalConfirmBookmarkCount"
     :profile-count="bookmarkRemovalConfirmProfileCount"
     :results="[]"
@@ -266,7 +266,7 @@ const emit = defineEmits<{
   <BookmarkRemovalModal
     v-if="bookmarkRemovalResultOpen"
     mode="result"
-    title="Bookmark Removal Result"
+    title="书签删除结果"
     :bookmark-count="0"
     :profile-count="0"
     :results="bookmarkRemovalResults"
@@ -277,7 +277,7 @@ const emit = defineEmits<{
   <ExtensionRemovalModal
     v-if="extensionRemovalConfirmExtensions.length || extensionRemovalConfirmProfiles.length"
     mode="confirm"
-    title="Confirm Extension Removal"
+    title="确认删除插件"
     :extensions="extensionRemovalConfirmExtensions"
     :profiles="extensionRemovalConfirmProfiles"
     :results="[]"
@@ -289,7 +289,7 @@ const emit = defineEmits<{
   <ExtensionRemovalModal
     v-if="extensionRemovalResultOpen"
     mode="result"
-    title="Extension Removal Result"
+    title="插件删除结果"
     :extensions="[]"
     :profiles="[]"
     :results="extensionRemovalResults"
diff --git a/src/components/browser-data/ExtensionRemovalModal.vue b/src/components/browser-data/ExtensionRemovalModal.vue
index b4e46fa..4198404 100644
--- a/src/components/browser-data/ExtensionRemovalModal.vue
+++ b/src/components/browser-data/ExtensionRemovalModal.vue
@@ -58,22 +58,18 @@ const resultSummary = computed(() => {
     <section class="modal-card">
       <div class="modal-header">
         <h3>{{ title }}</h3>
-        <button class="secondary-button" type="button" @click="emit('close')">Close</button>
+        <button class="secondary-button" type="button" @click="emit('close')">关闭</button>
       </div>
 
       <template v-if="mode === 'confirm'">
         <p class="modal-copy">
-          This will remove {{ confirmSummary.extensionCount }} extension{{
-            confirmSummary.extensionCount === 1 ? "" : "s"
-          }} from {{ confirmSummary.profileCount }} profile{{
-            confirmSummary.profileCount === 1 ? "" : "s"
-          }}.
+          将从 {{ confirmSummary.profileCount }} 个资料中删除 {{ confirmSummary.extensionCount }} 个插件。
         </p>
 
         <div class="modal-actions">
-          <button class="secondary-button" type="button" @click="emit('close')">Cancel</button>
+          <button class="secondary-button" type="button" @click="emit('close')">取消</button>
           <button class="danger-button" type="button" :disabled="busy" @click="emit('confirm')">
-            {{ busy ? "Deleting..." : "Confirm Delete" }}
+            {{ busy ? "删除中..." : "确认删除" }}
           </button>
         </div>
       </template>
@@ -81,15 +77,11 @@ const resultSummary = computed(() => {
       <template v-else>
         <p v-if="generalError" class="result-banner error">{{ generalError }}</p>
         <p class="modal-copy">
-          Successfully removed {{ resultSummary.successCount }} extension{{
-            resultSummary.successCount === 1 ? "" : "s"
-          }}. Failed to remove {{ resultSummary.failedCount }} extension{{
-            resultSummary.failedCount === 1 ? "" : "s"
-          }}.
+          成功删除 {{ resultSummary.successCount }} 个插件，失败 {{ resultSummary.failedCount }} 个。
         </p>
 
         <div class="modal-actions">
-          <button class="primary-button" type="button" @click="emit('close')">Close</button>
+          <button class="primary-button" type="button" @click="emit('close')">关闭</button>
         </div>
       </template>
     </section>
diff --git a/src/components/browser-data/ExtensionsList.vue b/src/components/browser-data/ExtensionsList.vue
index 4453eef..deb7f5f 100644
--- a/src/components/browser-data/ExtensionsList.vue
+++ b/src/components/browser-data/ExtensionsList.vue
@@ -47,7 +47,7 @@ function isSelected(extensionId: string) {
               <path d="M3.5 8.2L6.4 11.1L12.5 4.9" />
             </svg>
           </span>
-          <span>Select All</span>
+          <span>全选</span>
         </label>
         <button
           class="danger-button"
@@ -55,16 +55,16 @@ function isSelected(extensionId: string) {
           :disabled="!selectedExtensionIds.length || deleteBusy"
           @click="emit('deleteSelected')"
         >
-          {{ deleteBusy ? "Deleting..." : `Delete Selected (${selectedExtensionIds.length})` }}
+          {{ deleteBusy ? "删除中..." : `删除所选（${selectedExtensionIds.length}）` }}
         </button>
       </div>
 
       <div class="data-table-header extensions-grid">
-        <div class="header-cell checkbox-cell">Pick</div>
-        <div class="header-cell icon-cell">Icon</div>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="emit('update:sortKey', 'name')">Name</button>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'id' }" type="button" @click="emit('update:sortKey', 'id')">Extension ID</button>
-        <div class="header-cell actions-cell">Actions</div>
+        <div class="header-cell checkbox-cell">选择</div>
+        <div class="header-cell icon-cell">图标</div>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="emit('update:sortKey', 'name')">名称</button>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'id' }" type="button" @click="emit('update:sortKey', 'id')">插件 ID</button>
+        <div class="header-cell actions-cell">操作</div>
       </div>
       <div class="data-table-body styled-scrollbar">
         <article v-for="extension in extensions" :key="extension.id" class="data-table-row extensions-grid">
@@ -94,7 +94,7 @@ function isSelected(extensionId: string) {
           <div class="row-cell muted-cell" :title="extension.id">{{ extension.id }}</div>
           <div class="row-cell actions-cell">
             <button class="disclosure-button" type="button" @click="emit('showProfiles', extension.id)">
-              <span>View</span>
+              <span>查看</span>
               <span class="badge neutral">{{ extension.profileIds.length }}</span>
             </button>
             <button
@@ -103,14 +103,14 @@ function isSelected(extensionId: string) {
               :disabled="deleteBusy"
               @click="emit('deleteExtension', extension.id)"
             >
-              Delete
+              删除
             </button>
           </div>
         </article>
       </div>
     </div>
     <div v-else class="empty-card">
-      <p>No extensions were discovered for this browser.</p>
+      <p>这个浏览器没有扫描到任何插件。</p>
     </div>
   </section>
 </template>
diff --git a/src/components/browser-data/HistoryCleanupList.vue b/src/components/browser-data/HistoryCleanupList.vue
index bf7e56e..907c529 100644
--- a/src/components/browser-data/HistoryCleanupList.vue
+++ b/src/components/browser-data/HistoryCleanupList.vue
@@ -37,7 +37,7 @@ const allSelected = computed(
 );
 
 function statusLabel(status: CleanupFileStatus) {
-  return status === "found" ? "Found" : "Missing";
+  return status === "found" ? "存在" : "缺失";
 }
 
 function statusClass(status: CleanupFileStatus) {
@@ -79,7 +79,7 @@ function hasAnyHistoryFile(statuses: CleanupFileStatus[]) {
               <path d="M3.5 8.2L6.4 11.1L12.5 4.9" />
             </svg>
           </span>
-          <span>Select All</span>
+          <span>全选</span>
         </label>
         <button
           class="danger-button"
@@ -87,19 +87,19 @@ function hasAnyHistoryFile(statuses: CleanupFileStatus[]) {
           :disabled="!selectedProfileIds.length || cleanupBusy"
           @click="emit('cleanupSelected')"
         >
-          {{ cleanupBusy ? "Cleaning..." : `Clean Selected (${selectedProfileIds.length})` }}
+          {{ cleanupBusy ? "清理中..." : `清理所选（${selectedProfileIds.length}）` }}
         </button>
       </div>
 
       <div class="data-table-header history-grid">
-        <div class="header-cell checkbox-cell">Pick</div>
-        <div class="header-cell icon-cell">Avatar</div>
-        <div class="header-cell">Profile</div>
-        <div class="header-cell">History</div>
-        <div class="header-cell">Top Sites</div>
-        <div class="header-cell">Visited Links</div>
-        <div class="header-cell">Sessions</div>
-        <div class="header-cell actions-cell">Action</div>
+        <div class="header-cell checkbox-cell">选择</div>
+        <div class="header-cell icon-cell">头像</div>
+        <div class="header-cell">资料</div>
+        <div class="header-cell">历史记录</div>
+        <div class="header-cell">热门站点</div>
+        <div class="header-cell">访问链接</div>
+        <div class="header-cell">会话</div>
+        <div class="header-cell actions-cell">操作</div>
       </div>
       <div class="data-table-body styled-scrollbar">
         <article v-for="profile in profiles" :key="profile.id" class="data-table-row history-grid">
@@ -158,14 +158,14 @@ function hasAnyHistoryFile(statuses: CleanupFileStatus[]) {
               :disabled="!isSelectable(profile) || cleanupBusy"
               @click="emit('cleanupProfile', profile.id)"
             >
-              Clean
+              清理
             </button>
           </div>
         </article>
       </div>
     </div>
     <div v-else class="empty-card">
-      <p>No profile directories were found for this browser.</p>
+      <p>这个浏览器没有找到任何用户资料目录。</p>
     </div>
   </section>
 </template>
diff --git a/src/components/browser-data/HistoryCleanupModal.vue b/src/components/browser-data/HistoryCleanupModal.vue
index 244e496..47d0414 100644
--- a/src/components/browser-data/HistoryCleanupModal.vue
+++ b/src/components/browser-data/HistoryCleanupModal.vue
@@ -22,14 +22,14 @@ const emit = defineEmits<{
       <div class="modal-header">
         <h3>{{ title }}</h3>
         <button class="secondary-button modal-close-button" type="button" @click="emit('close')">
-          Close
+          关闭
         </button>
       </div>
 
       <template v-if="mode === 'confirm'">
         <p class="modal-copy">
-          The selected profiles will have <code>History</code>, <code>Top Sites</code>, and
-          <code>Visited Links</code> removed, and all files inside <code>Sessions</code> cleared.
+          将删除所选资料中的 <code>History</code>、<code>Top Sites</code>、<code>Visited Links</code>，
+          并清空 <code>Sessions</code> 目录中的所有文件。
         </p>
 
         <div class="profile-list styled-scrollbar">
@@ -40,9 +40,9 @@ const emit = defineEmits<{
         </div>
 
         <div class="modal-actions">
-          <button class="secondary-button" type="button" @click="emit('close')">Cancel</button>
+          <button class="secondary-button" type="button" @click="emit('close')">取消</button>
           <button class="danger-button" type="button" :disabled="busy" @click="emit('confirm')">
-            {{ busy ? "Cleaning..." : "Confirm Cleanup" }}
+            {{ busy ? "清理中..." : "确认清理" }}
           </button>
         </div>
       </template>
@@ -60,19 +60,19 @@ const emit = defineEmits<{
             <strong>{{ result.profileId }}</strong>
             <p v-if="result.error">{{ result.error }}</p>
             <p v-else-if="result.deletedFiles.length">
-              Deleted {{ result.deletedFiles.join(", ") }}
+              已删除：{{ result.deletedFiles.join("、") }}
             </p>
             <p v-else>
-              Nothing was deleted.
+              没有删除任何文件。
             </p>
             <p v-if="result.skippedFiles.length" class="muted-line">
-              Missing {{ result.skippedFiles.join(", ") }}
+              已跳过（不存在）：{{ result.skippedFiles.join("、") }}
             </p>
           </article>
         </div>
 
         <div class="modal-actions">
-          <button class="primary-button" type="button" @click="emit('close')">Close</button>
+          <button class="primary-button" type="button" @click="emit('close')">关闭</button>
         </div>
       </template>
     </section>
diff --git a/src/components/browser-data/PasswordSitesList.vue b/src/components/browser-data/PasswordSitesList.vue
index 08aedf8..4083484 100644
--- a/src/components/browser-data/PasswordSitesList.vue
+++ b/src/components/browser-data/PasswordSitesList.vue
@@ -16,9 +16,9 @@ const emit = defineEmits<{
   <section class="table-section">
     <div v-if="passwordSites.length" class="data-table">
       <div class="data-table-header passwords-grid">
-        <button class="header-cell sortable" :class="{ active: sortKey === 'domain' }" type="button" @click="emit('update:sortKey', 'domain')">Domain</button>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'domain' }" type="button" @click="emit('update:sortKey', 'domain')">域名</button>
         <button class="header-cell sortable" :class="{ active: sortKey === 'url' }" type="button" @click="emit('update:sortKey', 'url')">URL</button>
-        <div class="header-cell actions-cell">Profiles</div>
+        <div class="header-cell actions-cell">关联资料</div>
       </div>
       <div class="data-table-body styled-scrollbar">
         <article
@@ -32,7 +32,7 @@ const emit = defineEmits<{
           <div class="row-cell muted-cell" :title="passwordSite.url">{{ passwordSite.url }}</div>
           <div class="row-cell actions-cell">
             <button class="disclosure-button" type="button" @click="emit('showProfiles', passwordSite.url)">
-              <span>View</span>
+              <span>查看</span>
               <span class="badge neutral">{{ passwordSite.profileIds.length }}</span>
             </button>
           </div>
@@ -40,7 +40,7 @@ const emit = defineEmits<{
       </div>
     </div>
     <div v-else class="empty-card">
-      <p>No saved login sites were discovered for this browser.</p>
+      <p>这个浏览器没有扫描到任何已保存登录站点。</p>
     </div>
   </section>
 </template>
diff --git a/src/components/browser-data/ProfilesList.vue b/src/components/browser-data/ProfilesList.vue
index ff6829f..a655834 100644
--- a/src/components/browser-data/ProfilesList.vue
+++ b/src/components/browser-data/ProfilesList.vue
@@ -25,11 +25,11 @@ const emit = defineEmits<{
 
     <div v-if="profiles.length" class="data-table">
       <div class="data-table-header profiles-grid">
-        <div class="header-cell icon-cell">Avatar</div>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="emit('update:sortKey', 'name')">Name</button>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'email' }" type="button" @click="emit('update:sortKey', 'email')">Email</button>
-        <button class="header-cell sortable" :class="{ active: sortKey === 'id' }" type="button" @click="emit('update:sortKey', 'id')">Profile ID</button>
-        <div class="header-cell actions-cell">Action</div>
+        <div class="header-cell icon-cell">头像</div>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'name' }" type="button" @click="emit('update:sortKey', 'name')">名称</button>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'email' }" type="button" @click="emit('update:sortKey', 'email')">邮箱</button>
+        <button class="header-cell sortable" :class="{ active: sortKey === 'id' }" type="button" @click="emit('update:sortKey', 'id')">资料 ID</button>
+        <div class="header-cell actions-cell">操作</div>
       </div>
       <div class="data-table-body styled-scrollbar">
         <article v-for="profile in profiles" :key="profile.id" class="data-table-row profiles-grid">
@@ -57,14 +57,14 @@ const emit = defineEmits<{
               type="button"
               @click="emit('openProfile', browserId, profile.id)"
             >
-              {{ isOpeningProfile(browserId, profile.id) ? "Opening..." : "Open" }}
+              {{ isOpeningProfile(browserId, profile.id) ? "打开中..." : "打开" }}
             </button>
           </div>
         </article>
       </div>
     </div>
     <div v-else class="empty-card">
-      <p>No profile directories were found for this browser.</p>
+      <p>这个浏览器没有找到任何用户资料目录。</p>
     </div>
   </section>
 </template>
diff --git a/src/components/config/ConfigurationView.vue b/src/components/config/ConfigurationView.vue
index bd6233b..44238e2 100644
--- a/src/components/config/ConfigurationView.vue
+++ b/src/components/config/ConfigurationView.vue
@@ -45,28 +45,28 @@ const iconOptions = computed(() =>
     <div class="config-form-card">
       <div class="config-form-header collapsible">
         <div>
-          <h3>Add Custom Browser</h3>
+          <h3>添加自定义浏览器</h3>
         </div>
         <button
           class="secondary-button config-toggle-button"
           type="button"
           @click="formExpanded = !formExpanded"
         >
-          {{ formExpanded ? "Collapse" : "Expand" }}
+          {{ formExpanded ? "收起" : "展开" }}
         </button>
       </div>
       <div v-if="formExpanded" class="config-form-fields compact">
         <div class="config-inline-row">
           <label class="field-group">
-            <span>Name</span>
+            <span>名称</span>
             <input
               :value="createConfigForm.name"
-              placeholder="Work Chrome"
+              placeholder="例如：工作 Chrome"
               @input="emit('updateName', ($event.target as HTMLInputElement).value)"
             />
           </label>
           <label class="field-group">
-            <span>Icon</span>
+            <span>图标</span>
             <SortDropdown
               :model-value="createConfigForm.iconKey ?? 'chrome'"
               :options="iconOptions"
@@ -75,7 +75,7 @@ const iconOptions = computed(() =>
           </label>
         </div>
         <label class="field-group">
-          <span>Executable Path</span>
+          <span>可执行文件路径</span>
           <div class="path-input-row">
             <input
               :value="createConfigForm.executablePath"
@@ -83,12 +83,12 @@ const iconOptions = computed(() =>
               @input="emit('updateExecutablePath', ($event.target as HTMLInputElement).value)"
             />
             <button class="secondary-button" type="button" @click="emit('pickExecutablePath')">
-              Browse File
+              选择文件
             </button>
           </div>
         </label>
         <label class="field-group">
-          <span>User Data Path</span>
+          <span>用户资料路径</span>
           <div class="path-input-row">
             <input
               :value="createConfigForm.userDataPath"
@@ -96,7 +96,7 @@ const iconOptions = computed(() =>
               @input="emit('updateUserDataPath', ($event.target as HTMLInputElement).value)"
             />
             <button class="secondary-button" type="button" @click="emit('pickUserDataPath')">
-              Browse Folder
+              选择文件夹
             </button>
           </div>
         </label>
@@ -107,14 +107,14 @@ const iconOptions = computed(() =>
             :disabled="savingConfig"
             @click="emit('createConfig')"
           >
-            {{ savingConfig ? "Saving..." : "Add Config" }}
+            {{ savingConfig ? "保存中..." : "添加配置" }}
           </button>
         </div>
       </div>
     </div>
 
     <div v-if="configsLoading" class="empty-card">
-      <p>Loading browser configs...</p>
+      <p>正在加载浏览器配置...</p>
     </div>
     <div v-else class="stack-list">
       <article
@@ -145,16 +145,16 @@ const iconOptions = computed(() =>
             :disabled="isDeletingConfig(config.id)"
             @click="emit('deleteConfig', config.id)"
           >
-            {{ isDeletingConfig(config.id) ? "Deleting..." : "Delete" }}
+            {{ isDeletingConfig(config.id) ? "删除中..." : "删除" }}
           </button>
         </div>
         <div class="config-meta">
           <div class="config-meta-row">
-            <span class="config-label">Executable</span>
-            <p :title="config.executablePath">{{ config.executablePath || "Not resolved" }}</p>
+            <span class="config-label">可执行文件</span>
+            <p :title="config.executablePath">{{ config.executablePath || "未解析" }}</p>
           </div>
           <div class="config-meta-row">
-            <span class="config-label">User Data</span>
+            <span class="config-label">用户资料</span>
             <p :title="config.userDataPath">{{ config.userDataPath }}</p>
           </div>
         </div>
diff --git a/src/components/sidebar/AppSidebar.vue b/src/components/sidebar/AppSidebar.vue
index d859508..e7e671a 100644
--- a/src/components/sidebar/AppSidebar.vue
+++ b/src/components/sidebar/AppSidebar.vue
@@ -22,7 +22,7 @@ const emit = defineEmits<{
   <aside class="sidebar">
     <div class="sidebar-toolbar">
       <div class="sidebar-title-group">
-        <h1>Browser Assistant</h1>
+        <h1>浏览器助手</h1>
       </div>
       <button class="refresh-icon-button" type="button" @click="emit('refresh')">
         <svg class="refresh-icon" viewBox="0 0 24 24" aria-hidden="true">
@@ -35,7 +35,7 @@ const emit = defineEmits<{
             stroke-width="2"
           />
         </svg>
-        <span class="sr-only">{{ loading || configsLoading ? "Refreshing..." : "Refresh" }}</span>
+        <span class="sr-only">{{ loading || configsLoading ? "刷新中..." : "刷新" }}</span>
       </button>
     </div>
 
@@ -63,7 +63,7 @@ const emit = defineEmits<{
     </div>
 
     <div v-else class="sidebar-empty">
-      <p>No supported Chromium browser data was found yet.</p>
+      <p>暂未找到受支持的 Chromium 浏览器数据。</p>
     </div>
 
     <button
@@ -73,10 +73,10 @@ const emit = defineEmits<{
       @click="emit('selectConfiguration')"
     >
       <div class="browser-nav-icon config-nav-icon">
-        <img :src="configurationIconSrc" alt="Configuration icon" />
+        <img :src="configurationIconSrc" alt="配置图标" />
       </div>
       <div class="browser-nav-body">
-        <strong>Configuration</strong>
+        <strong>配置</strong>
       </div>
     </button>
   </aside>
diff --git a/src/composables/useBrowserManager.ts b/src/composables/useBrowserManager.ts
index cc6627d..95fa166 100644
--- a/src/composables/useBrowserManager.ts
+++ b/src/composables/useBrowserManager.ts
@@ -165,7 +165,7 @@ export function useBrowserManager() {
       browserConfigs.value = result.configs;
     } catch (loadError) {
       configError.value =
-        loadError instanceof Error ? loadError.message : "Failed to load browser configs.";
+        loadError instanceof Error ? loadError.message : "加载浏览器配置失败。";
     } finally {
       configsLoading.value = false;
     }
@@ -181,7 +181,7 @@ export function useBrowserManager() {
       error.value =
         scanError instanceof Error
           ? scanError.message
-          : "Failed to scan browser data.";
+          : "扫描浏览器数据失败。";
     } finally {
       loading.value = false;
     }
@@ -205,7 +205,7 @@ export function useBrowserManager() {
       openProfileError.value =
         openError instanceof Error
           ? openError.message
-          : "Failed to open the selected browser profile.";
+          : "打开所选浏览器资料失败。";
     } finally {
       openingProfileKey.value = "";
     }
@@ -229,7 +229,7 @@ export function useBrowserManager() {
       await scanBrowsers();
     } catch (saveError) {
       configError.value =
-        saveError instanceof Error ? saveError.message : "Failed to create browser config.";
+        saveError instanceof Error ? saveError.message : "创建浏览器配置失败。";
     } finally {
       savingConfig.value = false;
     }
@@ -247,7 +247,7 @@ export function useBrowserManager() {
       await scanBrowsers();
     } catch (deleteError) {
       configError.value =
-        deleteError instanceof Error ? deleteError.message : "Failed to delete browser config.";
+        deleteError instanceof Error ? deleteError.message : "删除浏览器配置失败。";
     } finally {
       deletingConfigId.value = "";
     }
@@ -348,7 +348,7 @@ export function useBrowserManager() {
     if (!extension || !currentBrowser.value) return;
     extensionModalSelectedProfileIds.value = [];
     associatedProfilesModal.value = {
-      title: `${extension.name} Profiles`,
+      title: extension.name,
       browserId: currentBrowser.value.browserId,
       profiles: extension.profiles,
       isBookmark: false,
@@ -362,7 +362,7 @@ export function useBrowserManager() {
     if (!bookmark || !currentBrowser.value) return;
     bookmarkModalSelectedProfileIds.value = [];
     associatedProfilesModal.value = {
-      title: `${bookmark.title} Profiles`,
+      title: bookmark.title,
       browserId: currentBrowser.value.browserId,
       profiles: bookmark.profiles,
       isBookmark: true,
@@ -374,7 +374,7 @@ export function useBrowserManager() {
     const passwordSite = currentBrowser.value?.passwordSites.find((item) => item.url === url);
     if (!passwordSite || !currentBrowser.value) return;
     associatedProfilesModal.value = {
-      title: `${passwordSite.domain} Profiles`,
+      title: passwordSite.domain,
       browserId: currentBrowser.value.browserId,
       profiles: passwordSite.profiles,
       isBookmark: false,
@@ -523,7 +523,7 @@ export function useBrowserManager() {
       cleanupHistoryError.value =
         cleanupErrorValue instanceof Error
           ? cleanupErrorValue.message
-          : "Failed to clean history files.";
+          : "清理历史文件失败。";
       historyCleanupResultOpen.value = true;
     } finally {
       historyCleanupBusy.value = false;
@@ -687,7 +687,7 @@ export function useBrowserManager() {
       } else {
         associatedProfilesModal.value = {
           ...associatedProfilesModal.value,
-          title: `${currentBookmark.title} Profiles`,
+          title: currentBookmark.title,
           profiles: currentBookmark.profiles,
         };
         bookmarkModalSelectedProfileIds.value = bookmarkModalSelectedProfileIds.value.filter((id) =>
@@ -723,7 +723,7 @@ export function useBrowserManager() {
     } catch (removeError) {
       resetBookmarkRemovalConfirmState();
       bookmarkRemovalError.value =
-        removeError instanceof Error ? removeError.message : "Failed to remove bookmarks.";
+        removeError instanceof Error ? removeError.message : "删除书签失败。";
       bookmarkRemovalResultOpen.value = true;
     } finally {
       bookmarkDeleteBusy.value = false;
@@ -932,7 +932,7 @@ export function useBrowserManager() {
     } catch (removeError) {
       resetExtensionRemovalConfirmState();
       extensionRemovalError.value =
-        removeError instanceof Error ? removeError.message : "Failed to remove extensions.";
+        removeError instanceof Error ? removeError.message : "删除插件失败。";
       extensionRemovalResultOpen.value = true;
     } finally {
       extensionDeleteBusy.value = false;