diff --git a/AGENTS.md b/AGENTS.md
index 8a7b92b..ce83441 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -81,7 +81,7 @@ app-mobile (依赖 flow-mobile-ui + flow-mobile-approval)
 - 设计器插件体系通过此机制注册节点视图组件（ConditionViewPlugin、RouterViewPlugin 等）
 
 **ActionFactory** — 动作工厂（flow-pc-approval、flow-mobile-approval、flow-design 各有一份）：
-- 单例模式，按 ActionType（PASS/REJECT/SAVE/ADD_AUDIT/DELEGATE/RETURN/TRANSFER/CUSTOM）注册对应 React 组件
+- 单例模式，按 ActionType（PASS/REJECT/SAVE/ADD_AUDIT/REDUCE_AUDIT/DELEGATE/RETURN/TRANSFER/CUSTOM）注册对应 React 组件
 - PC 端和移动端各自实现不同的组件
 
 **FlowNodeRegistry** — 节点注册机制（flow-design）：
diff --git a/CLAUDE.md b/CLAUDE.md
index 68a58e5..58aebc6 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -81,7 +81,7 @@ app-mobile (依赖 flow-mobile-ui + flow-mobile-approval)
 - 设计器插件体系通过此机制注册节点视图组件（ConditionViewPlugin、RouterViewPlugin 等）
 
 **ActionFactory** — 动作工厂（flow-pc-approval、flow-mobile-approval、flow-design 各有一份）：
-- 单例模式，按 ActionType（PASS/REJECT/SAVE/ADD_AUDIT/DELEGATE/RETURN/TRANSFER/CUSTOM）注册对应 React 组件
+- 单例模式，按 ActionType（PASS/REJECT/SAVE/ADD_AUDIT/REDUCE_AUDIT/DELEGATE/RETURN/TRANSFER/CUSTOM）注册对应 React 组件
 - PC 端和移动端各自实现不同的组件
 
 **ActionInterceptor / DialogContentProvider** — 审批交互扩展钩子（flow-approval-presenter，经 `FlowActionPresenter` 订阅）：
diff --git a/apps/app-pc/README.md b/apps/app-pc/README.md
index 114f1b3..806baed 100644
--- a/apps/app-pc/README.md
+++ b/apps/app-pc/README.md
@@ -69,7 +69,7 @@ pnpm run preview
 
 - 通过/拒绝审批
 - 保存草稿
-- 加签/委派
+- 加签/减签/委派
 - 退回/转办
 - 流程撤回
 
diff --git a/packages/flow-approval-presenter/README.md b/packages/flow-approval-presenter/README.md
index a3464a9..9f0c435 100644
--- a/packages/flow-approval-presenter/README.md
+++ b/packages/flow-approval-presenter/README.md
@@ -7,7 +7,7 @@ Flow Engine 审批展示器框架，基于 Redux 管理审批状态与动作分
 `flow-approval-presenter` 是 Flow Engine 的审批展示器框架，提供审批状态管理能力：
 
 - 审批状态管理（Redux store：节点、操作者、动作、表单数据）
-- 审批动作分发（通过/拒绝/保存/加签/委派/退回/转办/自定义）
+- 审批动作分发（通过/拒绝/保存/加签/减签/委派/退回/转办/自定义）
 - 审批视图绑定（ViewBindPlugin 动态绑定审批动作视图）
 - 审批上下文（`useApprovalContext` 桥接 React 与 Presenter）
 
diff --git a/packages/flow-mobile/flow-mobile-approval/README.md b/packages/flow-mobile/flow-mobile-approval/README.md
index 627fda7..2948dce 100644
--- a/packages/flow-mobile/flow-mobile-approval/README.md
+++ b/packages/flow-mobile/flow-mobile-approval/README.md
@@ -7,7 +7,7 @@ Flow Engine 移动端审批组件库，提供审批时间线、审批操作与
 `flow-mobile-approval` 是 Flow Engine 移动端的审批组件库，提供：
 
 - 审批时间线（节点记录、操作者、审批动作与意见）
-- 审批动作（通过、拒绝、保存、加签、委派、退回、转办、自定义）
+- 审批动作（通过、拒绝、保存、加签、减签、委派、退回、转办、自定义）
 - 子流程记录展示（含"主流程"来源标记与自动跳过标记）
 - 审批表单渲染
 
diff --git a/packages/flow-pc/flow-pc-approval/README.md b/packages/flow-pc/flow-pc-approval/README.md
index f6b173a..f7b021d 100644
--- a/packages/flow-pc/flow-pc-approval/README.md
+++ b/packages/flow-pc/flow-pc-approval/README.md
@@ -249,6 +249,7 @@ const MyApprovalForm = () => {
 - `REJECT` - 拒绝
 - `SAVE` - 保存
 - `ADD_AUDIT` - 加签
+- `REDUCE_AUDIT` - 减签（仅循序/并签节点，不支持合并批量）
 - `DELEGATE` - 委托
 - `RETURN` - 退回
 - `TRANSFER` - 转交
diff --git a/packages/flow-types/README.md b/packages/flow-types/README.md
index 91ca0d0..37d6e4e 100644
--- a/packages/flow-types/README.md
+++ b/packages/flow-types/README.md
@@ -55,7 +55,7 @@ pnpm run dev
 
 - `FlowAction` - 动作基础类型
 - `ActionType` - 动作类型枚举
-- 动作具体类型：`PassAction`, `RejectAction`, `SaveAction`, `AddAuditAction`, `DelegateAction`, `ReturnAction`, `TransferAction`, `CustomAction`
+- 动作具体类型：`PassAction`, `RejectAction`, `SaveAction`, `AddAuditAction`, `ReduceAuditAction`, `DelegateAction`, `ReturnAction`, `TransferAction`, `CustomAction`
 
 ### 表单类型