diff --git a/yunkes/src/components/ChatSidebar.vue b/yunkes/src/components/ChatSidebar.vue
index cb85f1b..3eb1af7 100644
--- a/yunkes/src/components/ChatSidebar.vue
+++ b/yunkes/src/components/ChatSidebar.vue
@@ -32,6 +32,15 @@ async function load() {
   }
 }
 
+/** 会话显示名:WA 无昵称时去掉 @s.whatsapp.net 后缀只显号码。 */
+function sessionDisplayName(name: string | null | undefined): string {
+  if (!name) return '--'
+  if (name.includes('@s.whatsapp.net')) {
+    return name.replace('@s.whatsapp.net', '')
+  }
+  return name
+}
+
 const filtered = computed(() =>
   sessions.value
     .filter((s) => (filter.value === 'all' ? true : s.type === filter.value))
@@ -69,10 +78,10 @@ watch(() => [props.ownerId, props.channel] as const, load, { immediate: true })
         :class="{ 'is-active': isActive(s) }"
         @click="emit('select', s)"
       >
-        <el-avatar :size="36" :src="s.avatar ?? undefined">{{ (s.name ?? '?').slice(0, 1) }}</el-avatar>
+        <el-avatar :size="36" :src="s.avatar ?? undefined">{{ sessionDisplayName(s.name).slice(0, 1) }}</el-avatar>
         <div class="yk-chat-side__meta">
           <div class="yk-chat-side__name">
-            <span>{{ s.name ?? '--' }}</span>
+            <span>{{ sessionDisplayName(s.name) }}</span>
             <span class="yk-chat-side__today">今日{{ s.today_count }}</span>
           </div>
           <div class="yk-chat-side__time">{{ s.last_chat_time ? formatTime(s.last_chat_time) : '--' }}</div>
diff --git a/yunkes/src/views/ChatTimeline.vue b/yunkes/src/views/ChatTimeline.vue
index 12c9699..e38e641 100644
--- a/yunkes/src/views/ChatTimeline.vue
+++ b/yunkes/src/views/ChatTimeline.vue
@@ -330,6 +330,7 @@ onMounted(() => {
   <div class="yk-chat">
     <div class="yk-chat__body">
       <ChatSidebar
+        v-if="!isGroup"
         :channel="channelTyped"
         :owner-id="props.ownerId"
         :active-type="activeType"