diff --git a/frontend/src/components/account/BulkEditAccountModal.vue b/frontend/src/components/account/BulkEditAccountModal.vue
index baecd6f6..5cc9c2cc 100644
--- a/frontend/src/components/account/BulkEditAccountModal.vue
+++ b/frontend/src/components/account/BulkEditAccountModal.vue
@@ -599,6 +599,43 @@
         </div>
       </div>
 
+      <!-- OpenAI OAuth WS mode -->
+      <div v-if="allOpenAIOAuth" class="border-t border-gray-200 pt-4 dark:border-dark-600">
+        <div class="mb-3 flex items-center justify-between">
+          <label
+            id="bulk-edit-openai-ws-mode-label"
+            class="input-label mb-0"
+            for="bulk-edit-openai-ws-mode-enabled"
+          >
+            {{ t('admin.accounts.openai.wsMode') }}
+          </label>
+          <input
+            v-model="enableOpenAIWSMode"
+            id="bulk-edit-openai-ws-mode-enabled"
+            type="checkbox"
+            aria-controls="bulk-edit-openai-ws-mode"
+            class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
+          />
+        </div>
+        <div
+          id="bulk-edit-openai-ws-mode"
+          :class="!enableOpenAIWSMode && 'pointer-events-none opacity-50'"
+        >
+          <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
+            {{ t('admin.accounts.openai.wsModeDesc') }}
+          </p>
+          <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
+            {{ t(openAIWSModeConcurrencyHintKey) }}
+          </p>
+          <Select
+            v-model="openaiOAuthResponsesWebSocketV2Mode"
+            data-testid="bulk-edit-openai-ws-mode-select"
+            :options="openAIWSModeOptions"
+            aria-labelledby="bulk-edit-openai-ws-mode-label"
+          />
+        </div>
+      </div>
+
       <!-- RPM Limit (仅全部为 Anthropic OAuth/SetupToken 时显示) -->
       <div v-if="allAnthropicOAuthOrSetupToken" class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
@@ -821,6 +858,13 @@ import {
   buildModelMappingObject as buildModelMappingPayload,
   getPresetMappingsByPlatform
 } from '@/composables/useModelWhitelist'
+import {
+  OPENAI_WS_MODE_OFF,
+  OPENAI_WS_MODE_PASSTHROUGH,
+  isOpenAIWSModeEnabled,
+  resolveOpenAIWSModeConcurrencyHintKey
+} from '@/utils/openaiWsMode'
+import type { OpenAIWSMode } from '@/utils/openaiWsMode'
 
 interface Props {
   show: boolean
@@ -843,6 +887,15 @@ const appStore = useAppStore()
 // Platform awareness
 const isMixedPlatform = computed(() => props.selectedPlatforms.length > 1)
 
+const allOpenAIOAuth = computed(() => {
+  return (
+    props.selectedPlatforms.length === 1 &&
+    props.selectedPlatforms[0] === 'openai' &&
+    props.selectedTypes.length > 0 &&
+    props.selectedTypes.every(t => t === 'oauth')
+  )
+})
+
 // 是否全部为 Anthropic OAuth/SetupToken（RPM 配置仅在此条件下显示）
 const allAnthropicOAuthOrSetupToken = computed(() => {
   return (
@@ -886,6 +939,7 @@ const enablePriority = ref(false)
 const enableRateMultiplier = ref(false)
 const enableStatus = ref(false)
 const enableGroups = ref(false)
+const enableOpenAIWSMode = ref(false)
 const enableRpmLimit = ref(false)
 
 // State - field values
@@ -907,6 +961,7 @@ const priority = ref(1)
 const rateMultiplier = ref(1)
 const status = ref<'active' | 'inactive'>('active')
 const groupIds = ref<number[]>([])
+const openaiOAuthResponsesWebSocketV2Mode = ref<OpenAIWSMode>(OPENAI_WS_MODE_OFF)
 const rpmLimitEnabled = ref(false)
 const bulkBaseRpm = ref<number | null>(null)
 const bulkRpmStrategy = ref<'tiered' | 'sticky_exempt'>('tiered')
@@ -933,6 +988,13 @@ const statusOptions = computed(() => [
   { value: 'active', label: t('common.active') },
   { value: 'inactive', label: t('common.inactive') }
 ])
+const openAIWSModeOptions = computed(() => [
+  { value: OPENAI_WS_MODE_OFF, label: t('admin.accounts.openai.wsModeOff') },
+  { value: OPENAI_WS_MODE_PASSTHROUGH, label: t('admin.accounts.openai.wsModePassthrough') }
+])
+const openAIWSModeConcurrencyHintKey = computed(() =>
+  resolveOpenAIWSModeConcurrencyHintKey(openaiOAuthResponsesWebSocketV2Mode.value)
+)
 
 // Model mapping helpers
 const addModelMapping = () => {
@@ -1015,6 +1077,12 @@ const buildUpdatePayload = (): Record<string, unknown> | null => {
   const updates: Record<string, unknown> = {}
   const credentials: Record<string, unknown> = {}
   let credentialsChanged = false
+  const ensureExtra = (): Record<string, unknown> => {
+    if (!updates.extra) {
+      updates.extra = {}
+    }
+    return updates.extra as Record<string, unknown>
+  }
 
   if (enableProxy.value) {
     // 后端期望 proxy_id: 0 表示清除代理，而不是 null
@@ -1089,9 +1157,17 @@ const buildUpdatePayload = (): Record<string, unknown> | null => {
     updates.credentials = credentials
   }
 
+  if (enableOpenAIWSMode.value) {
+    const extra = ensureExtra()
+    extra.openai_oauth_responses_websockets_v2_mode = openaiOAuthResponsesWebSocketV2Mode.value
+    extra.openai_oauth_responses_websockets_v2_enabled = isOpenAIWSModeEnabled(
+      openaiOAuthResponsesWebSocketV2Mode.value
+    )
+  }
+
   // RPM limit settings (写入 extra 字段)
   if (enableRpmLimit.value) {
-    const extra: Record<string, unknown> = {}
+    const extra = ensureExtra()
     if (rpmLimitEnabled.value && bulkBaseRpm.value != null && bulkBaseRpm.value > 0) {
       extra.base_rpm = bulkBaseRpm.value
       extra.rpm_strategy = bulkRpmStrategy.value
@@ -1111,8 +1187,7 @@ const buildUpdatePayload = (): Record<string, unknown> | null => {
 
   // UMQ mode（独立于 RPM 保存）
   if (userMsgQueueMode.value !== null) {
-    if (!updates.extra) updates.extra = {}
-    const umqExtra = updates.extra as Record<string, unknown>
+    const umqExtra = ensureExtra()
     umqExtra.user_msg_queue_mode = userMsgQueueMode.value  // '' = 清除账号级覆盖
     umqExtra.user_msg_queue_enabled = false  // 清理旧字段（JSONB merge）
   }
@@ -1178,6 +1253,7 @@ const handleSubmit = async () => {
     enableRateMultiplier.value ||
     enableStatus.value ||
     enableGroups.value ||
+    enableOpenAIWSMode.value ||
     enableRpmLimit.value ||
     userMsgQueueMode.value !== null
 
@@ -1269,6 +1345,7 @@ watch(
       enableRateMultiplier.value = false
       enableStatus.value = false
       enableGroups.value = false
+      enableOpenAIWSMode.value = false
       enableRpmLimit.value = false
 
       // Reset all values
@@ -1286,6 +1363,7 @@ watch(
       rateMultiplier.value = 1
       status.value = 'active'
       groupIds.value = []
+      openaiOAuthResponsesWebSocketV2Mode.value = OPENAI_WS_MODE_OFF
       rpmLimitEnabled.value = false
       bulkBaseRpm.value = null
       bulkRpmStrategy.value = 'tiered'
diff --git a/frontend/src/components/account/__tests__/BulkEditAccountModal.spec.ts b/frontend/src/components/account/__tests__/BulkEditAccountModal.spec.ts
index 3598ff11..fae75aa8 100644
--- a/frontend/src/components/account/__tests__/BulkEditAccountModal.spec.ts
+++ b/frontend/src/components/account/__tests__/BulkEditAccountModal.spec.ts
@@ -50,7 +50,21 @@ function mountModal(extraProps: Record<string, unknown> = {}) {
       stubs: {
         BaseDialog: { template: '<div><slot /><slot name="footer" /></div>' },
         ConfirmDialog: true,
-        Select: true,
+        Select: {
+          props: ['modelValue', 'options'],
+          emits: ['update:modelValue'],
+          template: `
+            <select
+              v-bind="$attrs"
+              :value="modelValue"
+              @change="$emit('update:modelValue', $event.target.value)"
+            >
+              <option v-for="option in options" :key="option.value" :value="option.value">
+                {{ option.label }}
+              </option>
+            </select>
+          `
+        },
         ProxySelector: true,
         GroupSelector: true,
         Icon: true
@@ -115,4 +129,33 @@ describe('BulkEditAccountModal', () => {
       }
     })
   })
+
+  it('OpenAI OAuth 批量编辑应提交 OAuth 专属 WS mode 字段', async () => {
+    const wrapper = mountModal({
+      selectedPlatforms: ['openai'],
+      selectedTypes: ['oauth']
+    })
+
+    await wrapper.get('#bulk-edit-openai-ws-mode-enabled').setValue(true)
+    await wrapper.get('[data-testid="bulk-edit-openai-ws-mode-select"]').setValue('passthrough')
+    await wrapper.get('#bulk-edit-account-form').trigger('submit.prevent')
+    await flushPromises()
+
+    expect(adminAPI.accounts.bulkUpdate).toHaveBeenCalledTimes(1)
+    expect(adminAPI.accounts.bulkUpdate).toHaveBeenCalledWith([1, 2], {
+      extra: {
+        openai_oauth_responses_websockets_v2_mode: 'passthrough',
+        openai_oauth_responses_websockets_v2_enabled: true
+      }
+    })
+  })
+
+  it('OpenAI API Key 批量编辑不显示 WS mode 入口', () => {
+    const wrapper = mountModal({
+      selectedPlatforms: ['openai'],
+      selectedTypes: ['apikey']
+    })
+
+    expect(wrapper.find('#bulk-edit-openai-ws-mode-enabled').exists()).toBe(false)
+  })
 })