diff --git a/.changeset/fix-copy-session-localization.md b/.changeset/fix-copy-session-localization.md
new file mode 100644
index 000000000..5dfd19162
--- /dev/null
+++ b/.changeset/fix-copy-session-localization.md
@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Fix the copy-session action not being localized in the web UI.
diff --git a/apps/kimi-web/src/components/SessionRow.vue b/apps/kimi-web/src/components/SessionRow.vue
index 51e3e2786..6ea57a708 100644
--- a/apps/kimi-web/src/components/SessionRow.vue
+++ b/apps/kimi-web/src/components/SessionRow.vue
@@ -213,7 +213,7 @@ defineExpose({ closeMenu, cancelArchive });
     <!-- Kebab dropdown -->
     <div ref="menuRef" v-if="menuOpen" class="menu" @click.stop>
       <button class="menu-item copy-id" @click.stop="copySessionId">
-        {{ copiedId ? '已复制 ✓' : '复制 Session ID ⧉' }}
+        {{ copiedId ? `${t('header.copied')} ✓` : `${t('header.copySessionId')} ⧉` }}
       </button>
       <div class="menu-divider" />
       <button class="menu-item" @click.stop="startRename">{{ t('sidebar.rename') }}</button>