diff --git a/src/views/flow/admin/Routers.vue b/src/views/flow/admin/Routers.vue
index 396caed..f861cec 100644
--- a/src/views/flow/admin/Routers.vue
+++ b/src/views/flow/admin/Routers.vue
@@ -22,7 +22,7 @@ const columns = [
     { title: "名称", key: "name", width: 160 },
     { title: "服务目录键", key: "serviceKey", width: 110 },
     {
-        // 2026-10-12 SERVICE 收口：reg_app_key 非空=yh-flow-route starter 自注册行（归属应用）
+        // 2026-10-12 SERVICE 收口：reg_app_key 非空=yh-flow-callback starter 自注册行（归属应用）
         title: "来源",
         width: 160,
         render: (h: any, p: any) => h("span", p.row.regAppKey ? `自注册 · ${p.row.regAppKey}` : "手工"),
diff --git a/src/views/flow/admin/def-editor/components/ConditionDrawer.vue b/src/views/flow/admin/def-editor/components/ConditionDrawer.vue
index bdf7364..1beea2d 100644
--- a/src/views/flow/admin/def-editor/components/ConditionDrawer.vue
+++ b/src/views/flow/admin/def-editor/components/ConditionDrawer.vue
@@ -21,7 +21,8 @@ const ctx = inject(EDITOR_CTX)!;
 const form = reactive({
     name: "",
     routerKey: "",
-    judgeMode: "SERVICE" as JudgeMode,
+    // 2026-10-12 SERVICE 收口：新建缺省翻转为表达式（主路径）；存量归一化见 syncFromNode（勿动）
+    judgeMode: "EXPRESSION" as JudgeMode,
 });
 
 function syncFromNode(): void {
@@ -134,6 +135,11 @@ function onRemove(): void {
                 <div v-else class="hint">
                     判断逻辑由业务方实现：引擎运行到该节点时同步调用判断接口，按返回出口名走对应分支
                 </div>
+                <div class="hint">
+                    仅当判断依赖流程到达时点的实时业务数据时使用；简单条件请用"表达式"（apply 时 formData
+                    自带判断数据）。判断端点与登记由
+                    <code>yh-flow-callback-spring-boot-starter</code>（流程中心接入件）自动完成，见《子应用接入流程中心规范》§6.6。
+                </div>
             </div>
 
             <div v-else class="fld">
diff --git a/src/views/flow/admin/def-editor/model.ts b/src/views/flow/admin/def-editor/model.ts
index d92cded..8646fce 100644
--- a/src/views/flow/admin/def-editor/model.ts
+++ b/src/views/flow/admin/def-editor/model.ts
@@ -177,14 +177,14 @@ export function createParallel(): ParallelNode {
     return { uid: newUid(), kind: "parallel", branches: [[createApproval()], [createApproval()]] };
 }
 
-/** 条件分支：默认 2 分支占位出口名，插入后弹配置抽屉选判断方式（缺省服务） */
+/** 条件分支：默认 2 分支占位出口名，插入后弹配置抽屉选判断方式（2026-10-12 收口：缺省表达式） */
 export function createCondition(): ConditionNode {
     return {
         uid: newUid(),
         kind: "condition",
         name: "条件判断",
         routerKey: "",
-        judgeMode: "SERVICE",
+        judgeMode: "EXPRESSION",
         conditions: ["", ""],
         outlets: ["出口一", "出口二"],
         branches: [[createApproval()], [createApproval()]],