diff --git a/ui/src/api/admin/system/resource-management/knowledge/problem.ts b/ui/src/api/admin/system/resource-management/knowledge/problem.ts
new file mode 100644
index 00000000000..e7c6a82eef2
--- /dev/null
+++ b/ui/src/api/admin/system/resource-management/knowledge/problem.ts
@@ -0,0 +1,40 @@
+import { del, get, post, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { ParagraphProblem, ProblemBatchAssociationPayload, ProblemParagraph } from '@/api/types'
+
+const getPrefix = (knowledgeId: string) => `/system/resource/knowledge/${knowledgeId}/problem`
+
+/** 批量创建知识库问题。 */
+const postProblems = (knowledgeId: string, contents: string[]) => post<string[], void>(getPrefix(knowledgeId), contents)
+
+/** 分页搜索知识库问题，供分段选择已有问题进行关联。 */
+const getProblemsPage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<ParagraphProblem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库问题的内容。 */
+const putProblem = (knowledgeId: string, problemId: string, content: string) =>
+  put<{ content: string }, void>(`${getPrefix(knowledgeId)}/${problemId}`, { content })
+
+/** 删除单个知识库问题。 */
+const deleteProblem = (knowledgeId: string, problemId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${problemId}`)
+
+/** 获取问题当前关联的文档分段。 */
+const getProblemParagraphs = (knowledgeId: string, problemId: string) => get<ProblemParagraph[]>(`${getPrefix(knowledgeId)}/${problemId}/paragraph`)
+
+/** 批量将问题关联到指定文档分段。 */
+const putBatchAssociateProblems = (knowledgeId: string, payload: ProblemBatchAssociationPayload) =>
+  put<ProblemBatchAssociationPayload, boolean>(`${getPrefix(knowledgeId)}/batch_association`, payload)
+
+/** 批量删除知识库问题。 */
+const putBatchDeleteProblems = (knowledgeId: string, problemIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, problemIds)
+
+export default {
+  postProblems,
+  getProblemsPage,
+  putProblem,
+  deleteProblem,
+  getProblemParagraphs,
+  putBatchAssociateProblems,
+  putBatchDeleteProblems,
+}
diff --git a/ui/src/api/admin/system/resource-management/knowledge/termbase.ts b/ui/src/api/admin/system/resource-management/knowledge/termbase.ts
new file mode 100644
index 00000000000..02952f12acb
--- /dev/null
+++ b/ui/src/api/admin/system/resource-management/knowledge/termbase.ts
@@ -0,0 +1,36 @@
+import { del, get, post, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { TermbaseItem, TermbaseUpdatePayload } from '@/api/types'
+
+const getPrefix = (knowledgeId: string) => `/system/resource/knowledge/${knowledgeId}/termbase`
+
+/** 批量创建知识库自定义分词条目。 */
+const postTermbases = (knowledgeId: string, contents: string[]) => post<string[], TermbaseItem[]>(getPrefix(knowledgeId), contents)
+
+/** 分页查询知识库自定义分词条目，支持内容搜索。 */
+const getTermbasePage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<TermbaseItem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库自定义分词条目。 */
+const putTermbase = (knowledgeId: string, termbaseId: string, payload: TermbaseUpdatePayload) =>
+  put<TermbaseUpdatePayload, void>(`${getPrefix(knowledgeId)}/${termbaseId}`, payload)
+
+/** 删除单个知识库自定义分词条目。 */
+const deleteTermbase = (knowledgeId: string, termbaseId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${termbaseId}`)
+
+/** 批量删除知识库自定义分词条目。 */
+const putBatchDeleteTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, termbaseIds)
+
+/** 导出所选自定义分词条目的换行文本。 */
+const postExportTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  post<string[], string>(`${getPrefix(knowledgeId)}/batch_export`, termbaseIds)
+
+export default {
+  postTermbases,
+  getTermbasePage,
+  putTermbase,
+  deleteTermbase,
+  putBatchDeleteTermbases,
+  postExportTermbases,
+}
diff --git a/ui/src/api/admin/system/shared-resources/knowledge/problem.ts b/ui/src/api/admin/system/shared-resources/knowledge/problem.ts
new file mode 100644
index 00000000000..34224284901
--- /dev/null
+++ b/ui/src/api/admin/system/shared-resources/knowledge/problem.ts
@@ -0,0 +1,40 @@
+import { del, get, post, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { ParagraphProblem, ProblemBatchAssociationPayload, ProblemParagraph } from '@/api/types'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/knowledge/${knowledgeId}/problem`
+
+/** 批量创建知识库问题。 */
+const postProblems = (knowledgeId: string, contents: string[]) => post<string[], void>(getPrefix(knowledgeId), contents)
+
+/** 分页搜索知识库问题，供分段选择已有问题进行关联。 */
+const getProblemsPage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<ParagraphProblem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库问题的内容。 */
+const putProblem = (knowledgeId: string, problemId: string, content: string) =>
+  put<{ content: string }, void>(`${getPrefix(knowledgeId)}/${problemId}`, { content })
+
+/** 删除单个知识库问题。 */
+const deleteProblem = (knowledgeId: string, problemId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${problemId}`)
+
+/** 获取问题当前关联的文档分段。 */
+const getProblemParagraphs = (knowledgeId: string, problemId: string) => get<ProblemParagraph[]>(`${getPrefix(knowledgeId)}/${problemId}/paragraph`)
+
+/** 批量将问题关联到指定文档分段。 */
+const putBatchAssociateProblems = (knowledgeId: string, payload: ProblemBatchAssociationPayload) =>
+  put<ProblemBatchAssociationPayload, boolean>(`${getPrefix(knowledgeId)}/batch_association`, payload)
+
+/** 批量删除知识库问题。 */
+const putBatchDeleteProblems = (knowledgeId: string, problemIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, problemIds)
+
+export default {
+  postProblems,
+  getProblemsPage,
+  putProblem,
+  deleteProblem,
+  getProblemParagraphs,
+  putBatchAssociateProblems,
+  putBatchDeleteProblems,
+}
diff --git a/ui/src/api/admin/system/shared-resources/knowledge/termbase.ts b/ui/src/api/admin/system/shared-resources/knowledge/termbase.ts
new file mode 100644
index 00000000000..f0ed9c38ab7
--- /dev/null
+++ b/ui/src/api/admin/system/shared-resources/knowledge/termbase.ts
@@ -0,0 +1,36 @@
+import { del, get, post, put } from '@/api/admin/core/request'
+import type { ParamsPage, ResponsePage } from '@/api/admin/core/types'
+import type { TermbaseItem, TermbaseUpdatePayload } from '@/api/types'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/knowledge/${knowledgeId}/termbase`
+
+/** 批量创建知识库自定义分词条目。 */
+const postTermbases = (knowledgeId: string, contents: string[]) => post<string[], TermbaseItem[]>(getPrefix(knowledgeId), contents)
+
+/** 分页查询知识库自定义分词条目，支持内容搜索。 */
+const getTermbasePage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<TermbaseItem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库自定义分词条目。 */
+const putTermbase = (knowledgeId: string, termbaseId: string, payload: TermbaseUpdatePayload) =>
+  put<TermbaseUpdatePayload, void>(`${getPrefix(knowledgeId)}/${termbaseId}`, payload)
+
+/** 删除单个知识库自定义分词条目。 */
+const deleteTermbase = (knowledgeId: string, termbaseId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${termbaseId}`)
+
+/** 批量删除知识库自定义分词条目。 */
+const putBatchDeleteTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, termbaseIds)
+
+/** 导出所选自定义分词条目的换行文本。 */
+const postExportTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  post<string[], string>(`${getPrefix(knowledgeId)}/batch_export`, termbaseIds)
+
+export default {
+  postTermbases,
+  getTermbasePage,
+  putTermbase,
+  deleteTermbase,
+  putBatchDeleteTermbases,
+  postExportTermbases,
+}
diff --git a/ui/src/api/admin/workspace/knowledge/problem.ts b/ui/src/api/admin/workspace/knowledge/problem.ts
index 5b6cfbcdacb..36e3b8254e5 100644
--- a/ui/src/api/admin/workspace/knowledge/problem.ts
+++ b/ui/src/api/admin/workspace/knowledge/problem.ts
@@ -1,10 +1,41 @@
-import { get } from '../../core/request'
+import { del, get, post, put } from '../../core/request'
 import type { ParamsPage, ResponsePage } from '../../core/types'
-import type { ParagraphProblem } from '@/api/types'
+import type { ParagraphProblem, ProblemBatchAssociationPayload, ProblemParagraph } from '@/api/types'
 import { getWorkspaceId } from '@/utils/resource-context'
 
+const getPrefix = (knowledgeId: string) => `/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}/problem`
+
+/** 批量创建知识库问题。 */
+const postProblems = (knowledgeId: string, contents: string[]) => post<string[], void>(getPrefix(knowledgeId), contents)
+
 /** 分页搜索知识库问题，供分段选择已有问题进行关联。 */
 const getProblemsPage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
-  get<ResponsePage<ParagraphProblem>>(`/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}/problem/${page.currentPage}/${page.pageSize}`, query)
+  get<ResponsePage<ParagraphProblem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库问题的内容。 */
+const putProblem = (knowledgeId: string, problemId: string, content: string) =>
+  put<{ content: string }, void>(`${getPrefix(knowledgeId)}/${problemId}`, { content })
+
+/** 删除单个知识库问题。 */
+const deleteProblem = (knowledgeId: string, problemId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${problemId}`)
+
+/** 获取问题当前关联的文档分段。 */
+const getProblemParagraphs = (knowledgeId: string, problemId: string) => get<ProblemParagraph[]>(`${getPrefix(knowledgeId)}/${problemId}/paragraph`)
+
+/** 批量将问题关联到指定文档分段。 */
+const putBatchAssociateProblems = (knowledgeId: string, payload: ProblemBatchAssociationPayload) =>
+  put<ProblemBatchAssociationPayload, boolean>(`${getPrefix(knowledgeId)}/batch_association`, payload)
+
+/** 批量删除知识库问题。 */
+const putBatchDeleteProblems = (knowledgeId: string, problemIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, problemIds)
 
-export default { getProblemsPage }
+export default {
+  postProblems,
+  getProblemsPage,
+  putProblem,
+  deleteProblem,
+  getProblemParagraphs,
+  putBatchAssociateProblems,
+  putBatchDeleteProblems,
+}
diff --git a/ui/src/api/admin/workspace/knowledge/termbase.ts b/ui/src/api/admin/workspace/knowledge/termbase.ts
new file mode 100644
index 00000000000..480706b2266
--- /dev/null
+++ b/ui/src/api/admin/workspace/knowledge/termbase.ts
@@ -0,0 +1,37 @@
+import { del, get, post, put } from '../../core/request'
+import type { ParamsPage, ResponsePage } from '../../core/types'
+import type { TermbaseItem, TermbaseUpdatePayload } from '@/api/types'
+import { getWorkspaceId } from '@/utils/resource-context'
+
+const getPrefix = (knowledgeId: string) => `/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}/termbase`
+
+/** 批量创建知识库自定义分词条目。 */
+const postTermbases = (knowledgeId: string, contents: string[]) => post<string[], TermbaseItem[]>(getPrefix(knowledgeId), contents)
+
+/** 分页查询知识库自定义分词条目，支持内容搜索。 */
+const getTermbasePage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<TermbaseItem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+/** 编辑单个知识库自定义分词条目。 */
+const putTermbase = (knowledgeId: string, termbaseId: string, payload: TermbaseUpdatePayload) =>
+  put<TermbaseUpdatePayload, void>(`${getPrefix(knowledgeId)}/${termbaseId}`, payload)
+
+/** 删除单个知识库自定义分词条目。 */
+const deleteTermbase = (knowledgeId: string, termbaseId: string) => del<undefined, boolean>(`${getPrefix(knowledgeId)}/${termbaseId}`)
+
+/** 批量删除知识库自定义分词条目。 */
+const putBatchDeleteTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  put<string[], boolean>(`${getPrefix(knowledgeId)}/batch_delete`, termbaseIds)
+
+/** 导出所选自定义分词条目的换行文本。 */
+const postExportTermbases = (knowledgeId: string, termbaseIds: string[]) =>
+  post<string[], string>(`${getPrefix(knowledgeId)}/batch_export`, termbaseIds)
+
+export default {
+  postTermbases,
+  getTermbasePage,
+  putTermbase,
+  deleteTermbase,
+  putBatchDeleteTermbases,
+  postExportTermbases,
+}
diff --git a/ui/src/api/admin/workspace/shared/knowledge/problem.ts b/ui/src/api/admin/workspace/shared/knowledge/problem.ts
new file mode 100644
index 00000000000..568ac3c32f4
--- /dev/null
+++ b/ui/src/api/admin/workspace/shared/knowledge/problem.ts
@@ -0,0 +1,12 @@
+import { get } from '../../../core/request'
+import type { ParamsPage, ResponsePage } from '../../../core/types'
+import type { ParagraphProblem } from '@/api/types'
+import { getWorkspaceId } from '@/utils/resource-context'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}/problem`
+
+/** 分页查询工作空间共享知识库的问题，只提供只读访问。 */
+const getProblemsPage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<ParagraphProblem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+export default { getProblemsPage }
diff --git a/ui/src/api/admin/workspace/shared/knowledge/termbase.ts b/ui/src/api/admin/workspace/shared/knowledge/termbase.ts
new file mode 100644
index 00000000000..5cdf3229e4d
--- /dev/null
+++ b/ui/src/api/admin/workspace/shared/knowledge/termbase.ts
@@ -0,0 +1,13 @@
+import { get } from '../../../core/request'
+import type { ParamsPage, ResponsePage } from '../../../core/types'
+import type { TermbaseItem } from '@/api/types'
+import { getWorkspaceId } from '@/utils/resource-context'
+
+const getPrefix = (knowledgeId: string) => `/system/shared/workspace/${getWorkspaceId()}/knowledge/${knowledgeId}/termbase`
+
+/** 分页查询工作空间共享知识库的自定义分词条目，只提供只读访问。 */
+// TODO：V3 后端需确认并提供工作空间共享知识库的 termbase 分页查询路由。
+const getTermbasePage = (knowledgeId: string, page: ParamsPage, query?: { content?: string }) =>
+  get<ResponsePage<TermbaseItem>>(`${getPrefix(knowledgeId)}/${page.currentPage}/${page.pageSize}`, query)
+
+export default { getTermbasePage }
diff --git a/ui/src/api/types/index.ts b/ui/src/api/types/index.ts
index 75143806d8b..42e61ebbdb9 100644
--- a/ui/src/api/types/index.ts
+++ b/ui/src/api/types/index.ts
@@ -32,4 +32,5 @@ export type * from './portal'
 
 export type * from './document'
 export type * from './paragraph'
+export type * from './termbase'
 export type * from './chat-log'
diff --git a/ui/src/api/types/paragraph.ts b/ui/src/api/types/paragraph.ts
index 654c3b09f3a..538c1300ed0 100644
--- a/ui/src/api/types/paragraph.ts
+++ b/ui/src/api/types/paragraph.ts
@@ -20,6 +20,24 @@ export interface ParagraphProblem {
   content: string
 }
 
+/** 从问题详情查询到的关联分段，额外携带所属知识库与文档名称。 */
+export interface ProblemParagraph extends ParagraphItem {
+  knowledge_id: string
+  document_name: string
+}
+
+/** 批量将问题关联到文档分段时使用的分段引用。 */
+export interface ProblemParagraphReference {
+  paragraph_id: string
+  document_id: string
+}
+
+/** 批量关联问题与文档分段的请求载荷。 */
+export interface ProblemBatchAssociationPayload {
+  problem_id_list: string[]
+  paragraph_list: ProblemParagraphReference[]
+}
+
 export interface ParagraphDetail extends ParagraphItem {
   problem_list: ParagraphProblem[]
 }
diff --git a/ui/src/api/types/termbase.ts b/ui/src/api/types/termbase.ts
new file mode 100644
index 00000000000..d37be9682fe
--- /dev/null
+++ b/ui/src/api/types/termbase.ts
@@ -0,0 +1,13 @@
+/** 知识库自定义分词条目。 */
+export interface TermbaseItem {
+  id: string
+  knowledge_id: string
+  content: string
+  create_time: string
+  update_time: string
+}
+
+/** 编辑单个自定义分词条目时提交的内容。 */
+export interface TermbaseUpdatePayload {
+  content: string
+}