diff --git a/dashboard/src/i18n/locales/en-US/features/subagent.json b/dashboard/src/i18n/locales/en-US/features/subagent.json
index 7bfb0b08da..5f047af349 100644
--- a/dashboard/src/i18n/locales/en-US/features/subagent.json
+++ b/dashboard/src/i18n/locales/en-US/features/subagent.json
@@ -7,6 +7,8 @@
   "actions": {
     "refresh": "Refresh",
     "save": "Save",
+    "import": "Import JSON",
+    "export": "Export JSON",
     "add": "Add SubAgent",
     "delete": "Delete",
     "close": "Close"
@@ -48,6 +50,11 @@
   "messages": {
     "loadConfigFailed": "Failed to load config",
     "loadPersonaFailed": "Failed to load persona list",
+    "importSuccess": "Configuration imported successfully",
+    "importFailed": "Failed to import configuration",
+    "importInvalidJson": "The imported file must be a valid JSON object",
+    "exportSuccess": "Configuration exported successfully",
+    "exportFailed": "Failed to export configuration",
     "nameMissing": "A SubAgent is missing a name",
     "nameInvalid": "Invalid SubAgent name: only lowercase letters/numbers/underscores, starting with a letter",
     "nameDuplicate": "Duplicate SubAgent name: {name}",
diff --git a/dashboard/src/i18n/locales/ru-RU/features/subagent.json b/dashboard/src/i18n/locales/ru-RU/features/subagent.json
index 368bd20467..b6b1791237 100644
--- a/dashboard/src/i18n/locales/ru-RU/features/subagent.json
+++ b/dashboard/src/i18n/locales/ru-RU/features/subagent.json
@@ -7,6 +7,8 @@
     "actions": {
         "refresh": "Обновить",
         "save": "Сохранить",
+        "import": "Импорт JSON",
+        "export": "Экспорт JSON",
         "add": "Добавить SubAgent",
         "delete": "Удалить",
         "close": "Закрыть"
@@ -48,6 +50,11 @@
     "messages": {
         "loadConfigFailed": "Не удалось загрузить конфигурацию",
         "loadPersonaFailed": "Не удалось загрузить список персонажей",
+        "importSuccess": "Конфигурация успешно импортирована",
+        "importFailed": "Не удалось импортировать конфигурацию",
+        "importInvalidJson": "Импортируемый файл должен быть валидным JSON-объектом",
+        "exportSuccess": "Конфигурация успешно экспортирована",
+        "exportFailed": "Не удалось экспортировать конфигурацию",
         "nameMissing": "У SubAgent отсутствует имя",
         "nameInvalid": "Недопустимое имя SubAgent: только строчные латинские буквы/цифры/подчеркивания, должно начинаться с буквы",
         "nameDuplicate": "Дублирующееся имя SubAgent: {name}",
@@ -62,4 +69,4 @@
         "subtitle": "Добавьте первого под-агента, чтобы начать",
         "action": "Создать первого агента"
     }
-}
\ No newline at end of file
+}
diff --git a/dashboard/src/i18n/locales/zh-CN/features/subagent.json b/dashboard/src/i18n/locales/zh-CN/features/subagent.json
index 9c7a43d7f2..7de92d9bad 100644
--- a/dashboard/src/i18n/locales/zh-CN/features/subagent.json
+++ b/dashboard/src/i18n/locales/zh-CN/features/subagent.json
@@ -7,6 +7,8 @@
   "actions": {
     "refresh": "刷新",
     "save": "保存",
+    "import": "导入 JSON",
+    "export": "导出 JSON",
     "add": "新增 SubAgent",
     "delete": "删除",
     "close": "关闭"
@@ -49,6 +51,11 @@
   "messages": {
     "loadConfigFailed": "获取配置失败",
     "loadPersonaFailed": "获取 Persona 列表失败",
+    "importSuccess": "配置导入成功",
+    "importFailed": "导入配置失败",
+    "importInvalidJson": "导入文件不是有效的 JSON 对象",
+    "exportSuccess": "配置导出成功",
+    "exportFailed": "导出配置失败",
     "nameMissing": "存在未填写名称的 SubAgent",
     "nameInvalid": "SubAgent 名称不合法：仅允许英文小写字母/数字/下划线，且需以字母开头",
     "nameDuplicate": "SubAgent 名称重复：{name}",
diff --git a/dashboard/src/views/SubAgentPage.vue b/dashboard/src/views/SubAgentPage.vue
index 029cc5a82c..f124a80f6e 100644
--- a/dashboard/src/views/SubAgentPage.vue
+++ b/dashboard/src/views/SubAgentPage.vue
@@ -14,6 +14,22 @@
       </div>
 
       <div class="d-flex align-center gap-2">
+        <v-btn
+          variant="text"
+          color="primary"
+          prepend-icon="mdi-download"
+          @click="exportConfig"
+        >
+          {{ tm('actions.export') }}
+        </v-btn>
+        <v-btn
+          variant="text"
+          color="primary"
+          prepend-icon="mdi-upload"
+          @click="openImportDialog"
+        >
+          {{ tm('actions.import') }}
+        </v-btn>
         <v-btn
           variant="text"
           color="primary"
@@ -244,6 +260,14 @@
          <v-btn variant="text" @click="snackbar.show = false">{{ tm('actions.close') }}</v-btn>
       </template>
     </v-snackbar>
+
+    <input
+      ref="importFileInputRef"
+      type="file"
+      accept="application/json,.json"
+      style="display: none;"
+      @change="handleImportFile"
+    />
   </div>
 </template>
 
@@ -275,6 +299,7 @@ const { tm } = useModuleI18n('features/subagent')
 
 const loading = ref(false)
 const saving = ref(false)
+const importFileInputRef = ref<HTMLInputElement | null>(null)
 
 const snackbar = ref({
   show: false,
@@ -297,7 +322,7 @@ const mainStateDescription = computed(() =>
 )
 
 function normalizeConfig(raw: any): SubAgentConfig {
-  const main_enable = !!raw?.main_enable
+  const main_enable = raw?.main_enable !== undefined ? !!raw.main_enable : !!raw?.enable
   const remove_main_duplicate_tools = !!raw?.remove_main_duplicate_tools
   const agentsRaw = Array.isArray(raw?.agents) ? raw.agents : []
 
@@ -352,6 +377,82 @@ function removeAgent(idx: number) {
   cfg.value.agents.splice(idx, 1)
 }
 
+function toPersistedConfig(source: SubAgentConfig) {
+  return {
+    main_enable: !!source.main_enable,
+    remove_main_duplicate_tools: !!source.remove_main_duplicate_tools,
+    agents: source.agents.map((a) => ({
+      name: (a.name || '').trim(),
+      persona_id: (a.persona_id || '').trim(),
+      public_description: a.public_description || '',
+      enabled: a.enabled,
+      provider_id: a.provider_id
+    }))
+  }
+}
+
+function exportConfig() {
+  let url: string | null = null
+  let link: HTMLAnchorElement | null = null
+
+  try {
+    const payload = toPersistedConfig(cfg.value)
+    const json = JSON.stringify(payload, null, 2)
+    const blob = new Blob([json], { type: 'application/json;charset=utf-8' })
+    url = URL.createObjectURL(blob)
+    link = document.createElement('a')
+    const date = new Date().toISOString().slice(0, 10)
+    link.href = url
+    link.download = `subagent-config-${date}.json`
+    document.body.appendChild(link)
+    link.click()
+    toast(tm('messages.exportSuccess'), 'success')
+  } catch (e: unknown) {
+    toast(tm('messages.exportFailed'), 'error')
+  } finally {
+    if (link?.parentNode) {
+      link.parentNode.removeChild(link)
+    }
+    if (url) {
+      URL.revokeObjectURL(url)
+    }
+  }
+}
+
+function openImportDialog() {
+  importFileInputRef.value?.click()
+}
+
+async function handleImportFile(event: Event) {
+  const target = event.target as HTMLInputElement | null
+  const file = target?.files?.[0]
+  if (!file) return
+
+  try {
+    const text = await file.text()
+    const parsed = JSON.parse(text) as unknown
+    if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) {
+      toast(tm('messages.importInvalidJson'), 'error')
+      return
+    }
+
+    const obj = parsed as Record<string, unknown>
+    const hasExpectedTopLevelKey =
+      'agents' in obj || 'main_enable' in obj || 'enable' in obj
+    if (!hasExpectedTopLevelKey) {
+      toast(tm('messages.importInvalidJson'), 'error')
+      return
+    }
+
+    cfg.value = normalizeConfig(parsed)
+    toast(tm('messages.importSuccess'), 'success')
+  } catch (e: unknown) {
+    toast(tm('messages.importFailed'), 'error')
+  } finally {
+    if (target) target.value = ''
+  }
+}
+
 function validateBeforeSave(): boolean {
   const nameRe = /^[a-z][a-z0-9_]{0,63}$/
   const seen = new Set<string>()
@@ -382,17 +483,7 @@ async function save() {
   if (!validateBeforeSave()) return
   saving.value = true
   try {
-    const payload = {
-      main_enable: cfg.value.main_enable,
-      remove_main_duplicate_tools: cfg.value.remove_main_duplicate_tools,
-      agents: cfg.value.agents.map((a) => ({
-        name: a.name,
-        persona_id: a.persona_id,
-        public_description: a.public_description,
-        enabled: a.enabled,
-        provider_id: a.provider_id
-      }))
-    }
+    const payload = toPersistedConfig(cfg.value)
 
     const res = await axios.post('/api/subagent/config', payload)
     if (res.data.status === 'ok') {