diff --git a/ui/src/views/VIEW_README.md b/ui/src/views/VIEW_README.md
index 90b8a7cb501..e5590dbc72d 100644
--- a/ui/src/views/VIEW_README.md
+++ b/ui/src/views/VIEW_README.md
@@ -944,7 +944,8 @@ System 资源管理与共享资源已注册共用知识库详情路由，
 基础表单 `KnowledgeBaseForm` 内部根据资源范围选择完整模型 API，不接收外部 `modelApi`；
 Workspace 普通与共享资源均使用 Workspace 模型选项接口，System 资源管理使用 System 模型接口，
 System 共享使用系统共享模型接口。
-System 暂无前端 Sync API 模块，定时同步页仍展示设置及日志布局，不发送 Workspace 请求。
+四种范围的定时同步查询和日志均使用各自现有 Sync API；Workspace 普通和 System 两种范围支持保存，
+Workspace 共享只读，不发送保存请求，不回退 Workspace 接口。
 library 的接口调整已撤回，文档和标签沿用原有调用方式，System library API 适配尚未实施。
 路由结构及来源配置见 `src/router/ROUTE_README.md`。
 
@@ -1411,14 +1412,16 @@ chat 装配函数通过 `disabled` 禁用输入框与附件。
 上下文只维护共享详情数据、更新能力及多个子页面共用的接口。仅由单个子页面使用的接口，
 在该页面内部按资源范围选择，不为单页接口增加 context 配置或转发 getter。
 定时同步接口属于定时同步页自身职责；未提供对应范围接口时，不回退到 Workspace，
-也不为 Workspace 共享只读资源增加写接口。当前 `sync` 尚保留在详情上下文，后续调整时按此规则收回定时同步页。
+也不为 Workspace 共享只读资源增加写接口。同步接口由 `useKnowledgeSyncContext` 提供给定时同步页，
+按现有四套 Sync API 的真实方法集合装配，不扩展接口。
 
 `provideKnowledgeDetailContext` 在详情入口装配并提供上下文，`useKnowledgeDetailContext` 供子页读取。
 基础设置和文档策略通过 `useKnowledgeSettingContext` 获取可管理范围的完整 Knowledge API 类型，
-该设置上下文的 `resourceApi` 仅提供 `knowledge`；定时同步从普通详情上下文读取 `sync`，不重复暴露。
+该设置上下文的 `resourceApi` 仅提供 `knowledge`；定时同步通过 `useKnowledgeSyncContext` 读取当前
+`resourceApi.sync` 及可保存范围的 `requestSettingApi`。Workspace 共享只查询设置和日志，表单只读且不显示保存。
 不在页面用方法是否存在判断可写能力；上下文边界排除 Workspace 共享只读范围，
 共享设置路由已注册，API 上下文仍保留原有只读边界，写接口接入暂缓。
-上下文按响应式 `resourceScope` 选择完整 Knowledge、Sync API 对象，
+上下文按响应式 `resourceScope` 选择各范围现有完整 Knowledge、Sync API 对象，
 统一通过响应式 `resourceApi.knowledge / sync` 提供接口，脚本调用不需要 `.value`；
 详情查询与保存使用同一个完整 Knowledge API 对象，不存在的设置模块保持 undefined。
 返回列表路由独立提供；不要在 setup 时解构 `resourceApi` 内的具体 API，以免固定为旧范围的对象。
@@ -1429,5 +1432,5 @@ library 下的文档、标签与迁移组件保留原有调用方式，不装配
 System 飞书专用保存方法尚未提供，基础设置沿该范围现有 `putKnowledge` 协议；Workspace 飞书保留专用方法。
 
 四套知识库详情菜单及来源导航已统一，`useKnowledgeNavigationContext` 仅维护路由名称与参数，
-不配置 API。各范围接口存在差异，API 模块和原有详情接口上下文保持原实现；
-后续按每套真实接口分别接入，不将菜单完整度视为接口接入完成。
+不配置 API。各范围接口存在差异，API 模块保持原实现；本轮仅补齐 sync 的范围装配与消费，
+其他模块后续按每套真实接口分别接入，不将菜单完整度视为接口接入完成。
diff --git a/ui/src/views/knowledge-detail/context.ts b/ui/src/views/knowledge-detail/context.ts
index 857d4974e81..9abbc89d0c7 100644
--- a/ui/src/views/knowledge-detail/context.ts
+++ b/ui/src/views/knowledge-detail/context.ts
@@ -6,12 +6,15 @@ import SharedKnowledgeApi from '@/api/admin/workspace/shared/knowledge/knowledge
 import SystemResourceKnowledgeApi from '@/api/admin/system/resource-management/knowledge/knowledge'
 import SystemSharedKnowledgeApi from '@/api/admin/system/shared-resources/knowledge/knowledge'
 import SyncApi from '@/api/admin/workspace/knowledge/sync'
+import SharedSyncApi from '@/api/admin/workspace/shared/knowledge/sync'
+import SystemResourceSyncApi from '@/api/admin/system/resource-management/knowledge/sync'
+import SystemSharedSyncApi from '@/api/admin/system/shared-resources/knowledge/sync'
 import type { KnowledgeDetail } from '@/api/types'
 import type { ResourceScope } from '@/router/admin/types'
 
 interface KnowledgeResourceApi {
   readonly knowledge: typeof KnowledgeApi | typeof SharedKnowledgeApi | typeof SystemResourceKnowledgeApi | typeof SystemSharedKnowledgeApi
-  readonly sync?: typeof SyncApi
+  readonly sync: typeof SyncApi | typeof SharedSyncApi | typeof SystemResourceSyncApi | typeof SystemSharedSyncApi
 }
 
 interface KnowledgeResourceConfig {
@@ -26,15 +29,15 @@ const resourceConfigs = {
     listRouteName: 'workspace-knowledge-list',
   },
   'workspace-shared': {
-    resourceApi: { knowledge: SharedKnowledgeApi },
+    resourceApi: { knowledge: SharedKnowledgeApi, sync: SharedSyncApi },
     listRouteName: 'workspace-knowledge-list',
   },
   'system-resource': {
-    resourceApi: { knowledge: SystemResourceKnowledgeApi },
+    resourceApi: { knowledge: SystemResourceKnowledgeApi, sync: SystemResourceSyncApi },
     listRouteName: 'system-resource-knowledge',
   },
   'system-shared': {
-    resourceApi: { knowledge: SystemSharedKnowledgeApi },
+    resourceApi: { knowledge: SystemSharedKnowledgeApi, sync: SystemSharedSyncApi },
     listRouteName: 'system-shared-knowledge',
   },
 } satisfies Record<ResourceScope, KnowledgeResourceConfig>
@@ -91,6 +94,17 @@ export function useKnowledgeDetailContext() {
   return context
 }
 
+/** 同步查询使用当前范围，保存仅提供给现有 API 支持写入的三个范围。 */
+export function useKnowledgeSyncContext() {
+  const context = useKnowledgeDetailContext()
+  const requestSettingApi = computed(() => {
+    const scope = context.resourceScope.value
+    if (!scope || scope === 'workspace-shared') return undefined
+    return resourceConfigs[scope].resourceApi.sync
+  })
+  return { ...context, requestSettingApi }
+}
+
 /** 设置页只属于可管理范围，在上下文边界排除 Workspace 共享只读资源。 */
 export function useKnowledgeSettingContext() {
   const context = useKnowledgeDetailContext()
diff --git a/ui/src/views/knowledge-detail/setting/scheduled-sync/components/SyncLogTable.vue b/ui/src/views/knowledge-detail/setting/scheduled-sync/components/SyncLogTable.vue
index af7dc6314a7..5096f70009c 100644
--- a/ui/src/views/knowledge-detail/setting/scheduled-sync/components/SyncLogTable.vue
+++ b/ui/src/views/knowledge-detail/setting/scheduled-sync/components/SyncLogTable.vue
@@ -1,6 +1,9 @@
 <script setup lang="ts">
-import { onMounted, ref } from 'vue'
+import { ref, watch } from 'vue'
 import type SyncApi from '@/api/admin/workspace/knowledge/sync'
+import type SharedSyncApi from '@/api/admin/workspace/shared/knowledge/sync'
+import type SystemResourceSyncApi from '@/api/admin/system/resource-management/knowledge/sync'
+import type SystemSharedSyncApi from '@/api/admin/system/shared-resources/knowledge/sync'
 import { KNOWLEDGE_SYNC_STATUS, KNOWLEDGE_SYNC_TYPE } from '@/api/enums'
 import type { KnowledgeSyncLog, KnowledgeSyncStatus } from '@/api/types'
 import type { StatusLabelOptions } from '@/components/global/mk-status-label/types'
@@ -8,7 +11,10 @@ import { KNOWLEDGE_SYNC_OPTIONS } from '@/constants/knowledge'
 import { datetimeFormat } from '@/utils/time'
 
 defineOptions({ name: 'KnowledgeSyncLogTable' })
-const props = defineProps<{ knowledgeId: string; api?: typeof SyncApi }>()
+const props = defineProps<{
+  knowledgeId: string
+  api: typeof SyncApi | typeof SharedSyncApi | typeof SystemResourceSyncApi | typeof SystemSharedSyncApi
+}>()
 
 // 进入日志页签时挂载查询，翻页由表格事件重新查询。
 const loading = ref(false)
@@ -34,7 +40,6 @@ function getSyncContent(log: KnowledgeSyncLog) {
   return `共${log.total_count}个文档 (${counts.join('，')})`
 }
 function loadSyncLogs() {
-  if (!props.api) return
   if (loading.value) return
   loading.value = true
   return props.api
@@ -50,9 +55,15 @@ function loadSyncLogs() {
     })
 }
 
-onMounted(() => {
-  void loadSyncLogs()
-})
+watch(
+  [() => props.knowledgeId, () => props.api],
+  () => {
+    syncLogs.value = []
+    paginationConfig.value = { currentPage: 1, pageSize: 10, total: 0 }
+    void loadSyncLogs()
+  },
+  { immediate: true },
+)
 </script>
 
 <template>
diff --git a/ui/src/views/knowledge-detail/setting/scheduled-sync/index.vue b/ui/src/views/knowledge-detail/setting/scheduled-sync/index.vue
index 3ca12fb102c..5832929c267 100644
--- a/ui/src/views/knowledge-detail/setting/scheduled-sync/index.vue
+++ b/ui/src/views/knowledge-detail/setting/scheduled-sync/index.vue
@@ -8,7 +8,7 @@ import { SCHEDULE_OPTION } from '@/constants/schedule'
 import { KNOWLEDGE_SYNC_OPTIONS } from '@/constants/knowledge'
 import type { ResourceDetailPageProps } from '@/layout/ResourceDetailLayout.vue'
 import { MsgSuccess } from '@/utils/message'
-import { useKnowledgeDetailContext } from '../../context'
+import { useKnowledgeSyncContext } from '../../context'
 import SyncLogTable from './components/SyncLogTable.vue'
 
 defineOptions({ name: 'KnowledgeScheduledSyncView' })
@@ -16,7 +16,7 @@ defineOptions({ name: 'KnowledgeScheduledSyncView' })
 defineProps<ResourceDetailPageProps>()
 
 // 回填后台配置，草稿与详情中的配置独立。
-const { knowledge, replaceKnowledgeDetail, resourceApi } = useKnowledgeDetailContext()
+const { knowledge, replaceKnowledgeDetail, resourceApi, requestSettingApi, resourceScope } = useKnowledgeSyncContext()
 const activeTab = ref('settings')
 const loading = ref(false)
 const saving = ref(false)
@@ -106,7 +106,8 @@ const rules: FormRules<SyncSettingDraft> = {
 }
 
 function handleSave() {
-  if (!resourceApi.sync) return
+  const requestApi = requestSettingApi.value
+  if (!requestApi) return
   const detail = knowledge.value
   const form = formRef.value
   if (saving.value || loading.value || !settingLoaded.value || !detail || !form) return
@@ -116,7 +117,7 @@ function handleSave() {
     .then(() => {
       if (!syncSetting.value.schedule_type) return
       const setting: KnowledgeSyncSetting = { ...cloneDeep(syncSetting.value), schedule_type: syncSetting.value.schedule_type }
-      return resourceApi.sync?.putKnowledgeSyncSetting(detail.id, setting).then((savedSetting) => {
+      return requestApi.putKnowledgeSyncSetting(detail.id, setting).then((savedSetting) => {
         syncSetting.value = cloneDeep(savedSetting)
         replaceKnowledgeDetail({ ...detail, meta: { ...detail.meta, sync_setting: savedSetting } })
         MsgSuccess('保存成功')
@@ -129,8 +130,6 @@ function handleSave() {
 }
 
 function loadSyncSetting(knowledgeId: string) {
-  // TODO 补了接口就可以了
-  if (!resourceApi.sync) return Promise.resolve()
   loading.value = true
   settingLoaded.value = false
   return resourceApi.sync
@@ -147,9 +146,10 @@ function loadSyncSetting(knowledgeId: string) {
 }
 
 watch(
-  () => knowledge.value?.id,
-  (knowledgeId) => {
+  [() => knowledge.value?.id, resourceScope],
+  ([knowledgeId]) => {
     activeTab.value = 'settings'
+    settingLoaded.value = false
     syncSetting.value = createDefaultSyncSetting()
     presetScheduleType.value = undefined
     formRef.value?.clearValidate()
@@ -166,7 +166,15 @@ watch(
       <el-tab-pane label="同步日志" name="logs" />
     </el-tabs>
     <div v-show="activeTab === 'settings'" v-loading="loading || saving" class="min-h-40">
-      <el-form ref="formRef" :model="syncSetting" :rules="rules" class="max-w-200 pb-6" label-position="top" @submit.prevent>
+      <el-form
+        ref="formRef"
+        :model="syncSetting"
+        :rules="rules"
+        class="max-w-200 pb-6"
+        label-position="top"
+        :disabled="!requestSettingApi"
+        @submit.prevent
+      >
         <el-form-item>
           <template #label>
             <span>
@@ -212,7 +220,9 @@ watch(
           </el-form-item>
         </div>
         <!-- 保存定时同步设置 -->
-        <el-button type="primary" class="mt-4" :loading="saving" :disabled="!settingLoaded" @click="handleSave">保存</el-button>
+        <el-button v-if="requestSettingApi" type="primary" class="mt-4" :loading="saving" :disabled="!settingLoaded" @click="handleSave">
+          保存
+        </el-button>
       </el-form>
     </div>
     <SyncLogTable v-if="activeTab === 'logs' && knowledge" :api="resourceApi.sync" :knowledge-id="knowledge.id" />