diff --git a/ui/src/api/API_README.md b/ui/src/api/API_README.md
index 89463c42df9..d52e27ce63e 100644
--- a/ui/src/api/API_README.md
+++ b/ui/src/api/API_README.md
@@ -755,6 +755,11 @@ Web 知识库详情及更新响应的顶层 `doc_strategy` 使用 `DocumentStrat
 
 `setting/scheduled-sync/` 页面调用设置查询、保存和日志分页接口；保存返回的规范化配置用于回填。
 
+四个知识库范围分别在自己的 `sync.ts` 中维护接口，由 `views/knowledge-detail/context.ts`
+按资源范围装配为 `resourceApi.sync`。Workspace、System 资源管理、System 共享资源提供查询、保存及日志分页；
+Workspace 共享版本只提供设置查询和日志分页。定时同步设置页通过 `useKnowledgeSettingContext()`
+取得可管理范围的 API，不回退其他范围，也不为只读范围补写接口。
+
 `workspace/knowledge/sync.ts` 提供 `getKnowledgeSyncSetting`、`putKnowledgeSyncSetting`，
 分别通过 GET、PUT `/<knowledgeId>/sync_setting` 查询和保存 Web、飞书及工作流知识库同步设置。
 `KnowledgeSyncSetting` 定义在 `types/knowledge-sync.ts`，包含 `enabled`、`schedule_type`、
diff --git a/ui/src/api/admin/system/resource-management/knowledge/sync.ts b/ui/src/api/admin/system/resource-management/knowledge/sync.ts
new file mode 100644
index 00000000000..1ce00d52f2c
--- /dev/null
+++ b/ui/src/api/admin/system/resource-management/knowledge/sync.ts
@@ -0,0 +1,16 @@
+import { get, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { KnowledgeSyncLog, KnowledgeSyncSetting } from '@/api/types'
+const getPrefix = (knowledgeId: string) => `/system/resource/knowledge/${knowledgeId}`
+/** 获取知识库定时同步设置。 */
+const getKnowledgeSyncSetting = (knowledgeId: string) => get<KnowledgeSyncSetting>(`${getPrefix(knowledgeId)}/sync_setting`)
+
+/** 保存知识库定时同步设置。 */
+const putKnowledgeSyncSetting = (knowledgeId: string, setting: KnowledgeSyncSetting) =>
+  put<KnowledgeSyncSetting, KnowledgeSyncSetting>(`${getPrefix(knowledgeId)}/sync_setting`, setting)
+
+/** 获取知识库同步日志分页。 */
+const getKnowledgeSyncLogPage = (knowledgeId: string, page: ParamsPage) =>
+  get<ResponsePage<KnowledgeSyncLog>>(`${getPrefix(knowledgeId)}/sync_log/${page.currentPage}/${page.pageSize}`)
+
+export default { getKnowledgeSyncSetting, putKnowledgeSyncSetting, getKnowledgeSyncLogPage }
diff --git a/ui/src/api/admin/system/shared-resources/knowledge/sync.ts b/ui/src/api/admin/system/shared-resources/knowledge/sync.ts
new file mode 100644
index 00000000000..ca02dcbfc50
--- /dev/null
+++ b/ui/src/api/admin/system/shared-resources/knowledge/sync.ts
@@ -0,0 +1,18 @@
+import { get, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { KnowledgeSyncLog, KnowledgeSyncSetting } from '@/api/types'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/knowledge/${knowledgeId}`
+
+/** 获取知识库定时同步设置。 */
+const getKnowledgeSyncSetting = (knowledgeId: string) => get<KnowledgeSyncSetting>(`${getPrefix(knowledgeId)}/sync_setting`)
+
+/** 保存知识库定时同步设置。 */
+const putKnowledgeSyncSetting = (knowledgeId: string, setting: KnowledgeSyncSetting) =>
+  put<KnowledgeSyncSetting, KnowledgeSyncSetting>(`${getPrefix(knowledgeId)}/sync_setting`, setting)
+
+/** 获取知识库同步日志分页。 */
+const getKnowledgeSyncLogPage = (knowledgeId: string, page: ParamsPage) =>
+  get<ResponsePage<KnowledgeSyncLog>>(`${getPrefix(knowledgeId)}/sync_log/${page.currentPage}/${page.pageSize}`)
+
+export default { getKnowledgeSyncSetting, putKnowledgeSyncSetting, getKnowledgeSyncLogPage }
diff --git a/ui/src/api/admin/workspace/shared/knowledge/sync.ts b/ui/src/api/admin/workspace/shared/knowledge/sync.ts
new file mode 100644
index 00000000000..f50e6016035
--- /dev/null
+++ b/ui/src/api/admin/workspace/shared/knowledge/sync.ts
@@ -0,0 +1,15 @@
+import { get } from '../../../core/request'
+import type { ParamsPage, ResponsePage } from '../../../core/types'
+import type { KnowledgeSyncLog, KnowledgeSyncSetting } from '@/api/types'
+import { getWorkspaceId } from '@/utils/resource-context'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}`
+
+/** 获取知识库定时同步设置。 */
+const getKnowledgeSyncSetting = (knowledgeId: string) => get<KnowledgeSyncSetting>(`${getPrefix(knowledgeId)}/sync_setting`)
+
+/** 获取知识库同步日志分页。 */
+const getKnowledgeSyncLogPage = (knowledgeId: string, page: ParamsPage) =>
+  get<ResponsePage<KnowledgeSyncLog>>(`${getPrefix(knowledgeId)}/sync_log/${page.currentPage}/${page.pageSize}`)
+
+export default { getKnowledgeSyncSetting, getKnowledgeSyncLogPage }