diff --git a/ROADMAP.md b/ROADMAP.md
index 6b790ee..0220f40 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -22,7 +22,7 @@
 - [x] **Redis 命令自动补全** — CLI 输入时智能提示（基于 commands.js 命令数据库）
 - [x] **CLI SUBSCRIBE/MONITOR** — 实时消息流 + MONITOR 命令流 + 停止按钮
 - [x] **CLI MULTI/EXEC** — 事务模式支持
-- [ ] **Stream 消费者组** — XINFO GROUPS / XINFO CONSUMERS 展开表格
+- [x] **Stream 消费者组** — XINFO GROUPS / XINFO CONSUMERS 展开表格
 
 ## P2 — 重要功能增强
 
diff --git a/electron/main/ipc-handlers.ts b/electron/main/ipc-handlers.ts
index f5b2ea0..59324e2 100644
--- a/electron/main/ipc-handlers.ts
+++ b/electron/main/ipc-handlers.ts
@@ -232,6 +232,23 @@ export function registerIpcHandlers(): void {
     return redis.streamDel(id, key, ...ids)
   }))
 
+  // Redis - Stream Consumer Groups
+  ipcMain.handle('redis:streamGroups', async (_e, id: string, key: string) => {
+    return redis.streamGroups(id, key)
+  })
+  ipcMain.handle('redis:streamConsumers', async (_e, id: string, key: string, group: string) => {
+    return redis.streamConsumers(id, key, group)
+  })
+  ipcMain.handle('redis:streamGroupCreate', withLog('XGROUP CREATE', async (_e, id: string, key: string, group: string, startId: string, mkstream: boolean) => {
+    return redis.streamGroupCreate(id, key, group, startId, mkstream)
+  }))
+  ipcMain.handle('redis:streamGroupDestroy', withLog('XGROUP DESTROY', async (_e, id: string, key: string, group: string) => {
+    return redis.streamGroupDestroy(id, key, group)
+  }))
+  ipcMain.handle('redis:streamAck', withLog('XACK', async (_e, id: string, key: string, group: string, ids: string[]) => {
+    return redis.streamAck(id, key, group, ...ids)
+  }))
+
   // Command Log
   ipcMain.handle('redis:getCommandLog', () => {
     return redis.getLog()
diff --git a/electron/main/redis/stream.ts b/electron/main/redis/stream.ts
index 7cf8115..6d700cf 100644
--- a/electron/main/redis/stream.ts
+++ b/electron/main/redis/stream.ts
@@ -35,3 +35,38 @@ export async function streamDel(id: string, key: string, ...ids: string[]): Prom
   if (!client) throw new Error(`Client ${id} not found`)
   return client.xdel(key, ...ids)
 }
+
+// Consumer group operations
+export async function streamGroups(id: string, key: string): Promise<any[]> {
+  const client = getClient(id)
+  if (!client) throw new Error(`Client ${id} not found`)
+  return client.xinfo('GROUPS', key) as Promise<any[]>
+}
+
+export async function streamConsumers(id: string, key: string, group: string): Promise<any[]> {
+  const client = getClient(id)
+  if (!client) throw new Error(`Client ${id} not found`)
+  return client.xinfo('CONSUMERS', key, group) as Promise<any[]>
+}
+
+export async function streamGroupCreate(
+  id: string, key: string, group: string, startId: string, mkstream: boolean
+): Promise<string> {
+  const client = getClient(id)
+  if (!client) throw new Error(`Client ${id} not found`)
+  const args: any[] = [key, group, startId]
+  if (mkstream) args.push('MKSTREAM')
+  return (client as any).xgroup('CREATE', ...args)
+}
+
+export async function streamGroupDestroy(id: string, key: string, group: string): Promise<number> {
+  const client = getClient(id)
+  if (!client) throw new Error(`Client ${id} not found`)
+  return (client as any).xgroup('DESTROY', key, group)
+}
+
+export async function streamAck(id: string, key: string, group: string, ...ids: string[]): Promise<number> {
+  const client = getClient(id)
+  if (!client) throw new Error(`Client ${id} not found`)
+  return (client as any).xack(key, group, ...ids)
+}
diff --git a/electron/preload/index.d.ts b/electron/preload/index.d.ts
index 098b9b1..d643b27 100644
--- a/electron/preload/index.d.ts
+++ b/electron/preload/index.d.ts
@@ -98,6 +98,11 @@ export interface ElectronAPI {
     streamAdd: (id: string, key: string, streamId: string, fieldValues: string[]) => Promise<string>
     streamTrim: (id: string, key: string, maxLen: number) => Promise<number>
     streamDel: (id: string, key: string, ids: string[]) => Promise<number>
+    streamGroups: (id: string, key: string) => Promise<any[]>
+    streamConsumers: (id: string, key: string, group: string) => Promise<any[]>
+    streamGroupCreate: (id: string, key: string, group: string, startId: string, mkstream: boolean) => Promise<any>
+    streamGroupDestroy: (id: string, key: string, group: string) => Promise<number>
+    streamAck: (id: string, key: string, group: string, ids: string[]) => Promise<number>
     renameKey: (id: string, oldKey: string, newKey: string) => Promise<void>
     existsKey: (id: string, key: string) => Promise<boolean>
     ping: (id: string) => Promise<string>
diff --git a/electron/preload/index.ts b/electron/preload/index.ts
index 3205785..7411165 100644
--- a/electron/preload/index.ts
+++ b/electron/preload/index.ts
@@ -105,6 +105,17 @@ const electronAPI = {
       ipcRenderer.invoke('redis:streamTrim', id, key, maxLen),
     streamDel: (id: string, key: string, ids: string[]): Promise<number> =>
       ipcRenderer.invoke('redis:streamDel', id, key, ids),
+    // Stream consumer groups
+    streamGroups: (id: string, key: string): Promise<any[]> =>
+      ipcRenderer.invoke('redis:streamGroups', id, key),
+    streamConsumers: (id: string, key: string, group: string): Promise<any[]> =>
+      ipcRenderer.invoke('redis:streamConsumers', id, key, group),
+    streamGroupCreate: (id: string, key: string, group: string, startId: string, mkstream: boolean): Promise<any> =>
+      ipcRenderer.invoke('redis:streamGroupCreate', id, key, group, startId, mkstream),
+    streamGroupDestroy: (id: string, key: string, group: string): Promise<number> =>
+      ipcRenderer.invoke('redis:streamGroupDestroy', id, key, group),
+    streamAck: (id: string, key: string, group: string, ids: string[]): Promise<number> =>
+      ipcRenderer.invoke('redis:streamAck', id, key, group, ids),
     // Key ops
     renameKey: (id: string, oldKey: string, newKey: string): Promise<void> =>
       ipcRenderer.invoke('redis:renameKey', id, oldKey, newKey),
diff --git a/src/components/StreamEditor.vue b/src/components/StreamEditor.vue
index 43c3791..047bba7 100644
--- a/src/components/StreamEditor.vue
+++ b/src/components/StreamEditor.vue
@@ -15,6 +15,19 @@ interface StreamEntry {
   fields: Record<string, string>
 }
 
+interface ConsumerGroup {
+  name: string
+  consumers: number
+  pending: number
+  lastDeliveredId: string
+}
+
+interface Consumer {
+  name: string
+  pending: number
+  idle: number
+}
+
 const entries = ref<StreamEntry[]>([])
 const loading = ref(false)
 const showAddDialog = ref(false)
@@ -23,6 +36,15 @@ const newFields = ref<{ key: string; value: string }[]>([{ key: '', value: '' }]
 const trimming = ref(false)
 const trimMaxLen = ref(1000)
 
+const groups = ref<ConsumerGroup[]>([])
+const expandedGroup = ref<string | null>(null)
+const consumers = ref<Record<string, Consumer[]>>({})
+const showGroupDialog = ref(false)
+const newGroupName = ref('')
+const newGroupStartId = ref('$')
+const newGroupMkstream = ref(false)
+const groupsLoading = ref(false)
+
 async function loadEntries() {
   if (!connStore.activeId || !keyStore.selectedKey) return
   loading.value = true
@@ -47,9 +69,109 @@ function parseFields(raw: any[]): Record<string, string> {
   return result
 }
 
+function parseGroupInfo(raw: any[]): ConsumerGroup {
+  const map: Record<string, any> = {}
+  for (let i = 0; i < raw.length; i += 2) {
+    map[raw[i]] = raw[i + 1]
+  }
+  return {
+    name: map['name'] as string,
+    consumers: Number(map['consumers'] ?? 0),
+    pending: Number(map['pending'] ?? 0),
+    lastDeliveredId: map['last-delivered-id'] as string,
+  }
+}
+
+function parseConsumerInfo(raw: any[]): Consumer {
+  const map: Record<string, any> = {}
+  for (let i = 0; i < raw.length; i += 2) {
+    map[raw[i]] = raw[i + 1]
+  }
+  return {
+    name: map['name'] as string,
+    pending: Number(map['pending'] ?? 0),
+    idle: Number(map['idle'] ?? 0),
+  }
+}
+
+async function loadGroups() {
+  if (!connStore.activeId || !keyStore.selectedKey) return
+  groupsLoading.value = true
+  try {
+    const rawGroups = await window.electronAPI.redis.streamGroups(
+      connStore.activeId, keyStore.selectedKey
+    )
+    groups.value = (rawGroups as any[]).map(parseGroupInfo)
+  } catch {
+    groups.value = []
+  } finally {
+    groupsLoading.value = false
+  }
+}
+
+async function toggleGroup(groupName: string) {
+  if (expandedGroup.value === groupName) {
+    expandedGroup.value = null
+    return
+  }
+  expandedGroup.value = groupName
+  if (!consumers.value[groupName]) {
+    try {
+      const rawConsumers = await window.electronAPI.redis.streamConsumers(
+        connStore.activeId!, keyStore.selectedKey!, groupName
+      )
+      consumers.value[groupName] = (rawConsumers as any[]).map(parseConsumerInfo)
+    } catch {
+      consumers.value[groupName] = []
+    }
+  }
+}
+
+async function createGroup() {
+  if (!connStore.activeId || !keyStore.selectedKey || !newGroupName.value) return
+  try {
+    await window.electronAPI.redis.streamGroupCreate(
+      connStore.activeId, keyStore.selectedKey,
+      newGroupName.value, newGroupStartId.value || '$', newGroupMkstream.value
+    )
+    showGroupDialog.value = false
+    newGroupName.value = ''
+    newGroupStartId.value = '$'
+    newGroupMkstream.value = false
+    await loadGroups()
+  } catch (err: any) {
+    ElMessage.error(err.message)
+  }
+}
+
+async function destroyGroup(groupName: string) {
+  if (!connStore.activeId || !keyStore.selectedKey) return
+  try {
+    await ElMessageBox.confirm(
+      `Destroy consumer group "${groupName}"?`, 'Confirm',
+      { type: 'warning' }
+    )
+    await window.electronAPI.redis.streamGroupDestroy(
+      connStore.activeId, keyStore.selectedKey, groupName
+    )
+    if (expandedGroup.value === groupName) {
+      expandedGroup.value = null
+      delete consumers.value[groupName]
+    }
+    await loadGroups()
+  } catch (err: any) {
+    if (err !== 'cancel') ElMessage.error(err.message)
+  }
+}
+
 watch(
   () => keyStore.selectedKey,
-  () => { if (keyStore.selectedType === 'stream') loadEntries() },
+  () => {
+    if (keyStore.selectedType === 'stream') {
+      loadEntries()
+      loadGroups()
+    }
+  },
   { immediate: true }
 )
 
@@ -133,7 +255,36 @@ async function trimStream() {
           <el-button size="small" :loading="trimming">{{ t('editor.trim') }}</el-button>
         </template>
       </el-popconfirm>
-      <el-button size="small" @click="loadEntries" :loading="loading">{{ t('common.refresh') }}</el-button>
+      <el-button size="small" @click="loadEntries(); loadGroups()" :loading="loading || groupsLoading">{{ t('common.refresh') }}</el-button>
+    </div>
+
+    <div class="groups-panel">
+      <div class="groups-header">
+        <span class="groups-title">{{ t('editor.consumerGroups') }}</span>
+        <span class="groups-count">{{ groups.length }}</span>
+        <el-button size="small" type="primary" @click="showGroupDialog = true">{{ t('editor.createGroup') }}</el-button>
+      </div>
+      <div class="groups-list">
+        <div v-for="group in groups" :key="group.name" class="group-item">
+          <div class="group-row" @click="toggleGroup(group.name)">
+            <span class="group-arrow" :class="{ expanded: expandedGroup === group.name }">▶</span>
+            <span class="group-name">{{ group.name }}</span>
+            <span class="group-stat">{{ t('editor.consumers') }}: {{ group.consumers }}</span>
+            <span class="group-stat">{{ t('editor.pending') }}: {{ group.pending }}</span>
+            <span class="group-last-id">{{ group.lastDeliveredId }}</span>
+            <el-button size="small" type="danger" text @click.stop="destroyGroup(group.name)">{{ t('editor.destroyGroup') }}</el-button>
+          </div>
+          <div v-if="expandedGroup === group.name" class="consumers-list">
+            <div v-for="consumer in consumers[group.name] || []" :key="consumer.name" class="consumer-row">
+              <span class="consumer-name">{{ consumer.name }}</span>
+              <span class="consumer-stat">{{ t('editor.pending') }}: {{ consumer.pending }}</span>
+              <span class="consumer-stat">{{ t('editor.consumers') }}: {{ Math.round(consumer.idle / 1000) }}s</span>
+            </div>
+            <div v-if="!(consumers[group.name] && consumers[group.name].length)" class="no-consumers">{{ t('editor.empty') }}</div>
+          </div>
+        </div>
+        <div v-if="groups.length === 0 && !groupsLoading" class="no-groups">{{ t('editor.noGroups') }}</div>
+      </div>
     </div>
 
     <div class="stream-content">
@@ -175,6 +326,24 @@ async function trimStream() {
       </template>
     </el-dialog>
 
+    <el-dialog v-model="showGroupDialog" :title="t('editor.createGroup')" width="400px">
+      <el-form label-position="top">
+        <el-form-item :label="t('editor.groupName')">
+          <el-input v-model="newGroupName" />
+        </el-form-item>
+        <el-form-item :label="t('editor.startId')">
+          <el-input v-model="newGroupStartId" placeholder="$" />
+        </el-form-item>
+        <el-form-item>
+          <el-checkbox v-model="newGroupMkstream">{{ t('editor.mkstream') }}</el-checkbox>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showGroupDialog = false">{{ t('common.cancel') }}</el-button>
+        <el-button type="primary" @click="createGroup">{{ t('common.confirm') }}</el-button>
+      </template>
+    </el-dialog>
+
     <el-dialog v-model="trimming" :title="t('editor.trim')" width="300px">
       <el-form-item :label="t('editor.maxLength')">
         <el-input-number v-model="trimMaxLen" :min="1" />
@@ -214,6 +383,120 @@ async function trimStream() {
   color: var(--text-muted);
 }
 
+.groups-panel {
+  max-height: 200px;
+  overflow-y: auto;
+  border-bottom: 1px solid var(--border-color);
+  background: var(--bg-secondary);
+  flex-shrink: 0;
+}
+
+.groups-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 12px;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.groups-title {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.groups-count {
+  font-size: 10px;
+  color: var(--text-muted);
+  background: var(--bg-tertiary);
+  padding: 1px 6px;
+  border-radius: 8px;
+  margin-right: auto;
+}
+
+.groups-list {
+  padding: 4px 0;
+}
+
+.group-item {
+  border-bottom: 1px solid var(--border-subtle);
+}
+
+.group-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 12px;
+  cursor: pointer;
+  font-size: 12px;
+}
+
+.group-row:hover {
+  background: var(--bg-hover);
+}
+
+.group-arrow {
+  font-size: 10px;
+  color: var(--text-muted);
+  transition: transform 0.15s ease;
+  flex-shrink: 0;
+  width: 12px;
+  text-align: center;
+}
+
+.group-arrow.expanded {
+  transform: rotate(90deg);
+}
+
+.group-name {
+  font-weight: 600;
+  color: var(--text-primary);
+  min-width: 80px;
+}
+
+.group-stat {
+  font-size: 11px;
+  color: var(--text-secondary);
+}
+
+.group-last-id {
+  font-size: 10px;
+  font-family: 'Cascadia Code', monospace;
+  color: var(--text-muted);
+  margin-left: auto;
+}
+
+.consumers-list {
+  padding: 2px 0 4px 32px;
+  background: var(--bg-tertiary);
+}
+
+.consumer-row {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 4px 8px;
+  font-size: 11px;
+}
+
+.consumer-name {
+  color: var(--text-primary);
+  font-family: 'Cascadia Code', monospace;
+  min-width: 100px;
+}
+
+.consumer-stat {
+  color: var(--text-secondary);
+}
+
+.no-consumers,
+.no-groups {
+  padding: 12px;
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 12px;
+}
+
 .stream-content {
   flex: 1;
   overflow-y: auto;
diff --git a/src/i18n/locales/en.ts b/src/i18n/locales/en.ts
index 90970b3..88f6ac9 100644
--- a/src/i18n/locales/en.ts
+++ b/src/i18n/locales/en.ts
@@ -131,7 +131,19 @@ export default {
     trimConfirm: 'Trim stream?',
     entryId: 'ID (use * for auto)',
     fields: 'Fields',
-    maxLength: 'Max length',
+    maxLength: 'Max Length',
+    consumerGroups: 'Consumer Groups',
+    group: 'Group',
+    consumers: 'Consumers',
+    pending: 'Pending',
+    createGroup: 'Create Group',
+    destroyGroup: 'Destroy Group',
+    groupName: 'Group Name',
+    startId: 'Start ID',
+    mkstream: 'Auto-create stream',
+    ack: 'ACK',
+    ackConfirm: 'ACK selected entries?',
+    noGroups: 'No consumer groups',
   },
   cli: {
     title: 'CLI',
diff --git a/src/i18n/locales/zh-CN.ts b/src/i18n/locales/zh-CN.ts
index 8a4b42f..8cb7334 100644
--- a/src/i18n/locales/zh-CN.ts
+++ b/src/i18n/locales/zh-CN.ts
@@ -132,6 +132,18 @@ export default {
     entryId: 'ID (使用 * 自动生成)',
     fields: '字段',
     maxLength: '最大长度',
+    consumerGroups: '消费者组',
+    group: '组名',
+    consumers: '消费者',
+    pending: '待处理',
+    createGroup: '创建组',
+    destroyGroup: '删除组',
+    groupName: '组名称',
+    startId: '起始 ID',
+    mkstream: '自动创建流',
+    ack: 'ACK',
+    ackConfirm: '确认 ACK 选中的条目？',
+    noGroups: '暂无消费者组',
   },
   cli: {
     title: 'CLI',