diff --git a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/FreshPartner.java b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/FreshPartner.java
index 1d25273..0ba2160 100644
--- a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/FreshPartner.java
+++ b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/FreshPartner.java
@@ -2,14 +2,14 @@
 
 import io.github.dddplus.annotation.Partner;
 import io.github.dddplus.ext.IIdentityResolver;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 @Partner(code = FreshPartner.CODE, name = "生鲜业务前台BP")
-public class FreshPartner implements IIdentityResolver<IOrderModel> {
+public class FreshPartner implements IIdentityResolver<IOrderMain> {
     public static final String CODE = "fresh";
 
     @Override
-    public boolean match(IOrderModel model) {
+    public boolean match(IOrderMain model) {
         return model.getSource().toLowerCase().equals(CODE);
     }
 }
diff --git a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PostPersitExt.java b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PostPersitExt.java
index 59cd406..4b8b6c4 100644
--- a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PostPersitExt.java
+++ b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PostPersitExt.java
@@ -4,14 +4,14 @@
 import lombok.extern.slf4j.Slf4j;
 import org.example.bp.oms.fresh.FreshPartner;
 import org.example.cp.oms.spec.ext.IPostPersistExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 @Slf4j
 @Extension(code = FreshPartner.CODE, value = "freshPostPersistExt")
 public class PostPersitExt implements IPostPersistExt {
 
     @Override
-    public void afterPersist(IOrderModel model) {
+    public void afterPersist(IOrderMain model) {
         log.info("{} 落库了，我要发个MQ通知我的下游！", model);
     }
 }
diff --git a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PresortExt.java b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PresortExt.java
index 554b8b3..82792e2 100644
--- a/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PresortExt.java
+++ b/order-center-bp-fresh/src/main/java/org/example/bp/oms/fresh/extension/PresortExt.java
@@ -4,7 +4,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.example.bp.oms.fresh.FreshPartner;
 import org.example.cp.oms.spec.ext.IPresortExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -13,7 +13,7 @@
 public class PresortExt implements IPresortExt {
 
     @Override
-    public void presort(@NotNull IOrderModel model) {
+    public void presort(@NotNull IOrderMain model) {
         log.info("Fresh里预分拣的结果：{}", new MockInnerClass().getResult());
     }
 
diff --git a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/IsvPartner.java b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/IsvPartner.java
index 8a7924e..874af57 100644
--- a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/IsvPartner.java
+++ b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/IsvPartner.java
@@ -1,14 +1,14 @@
 package org.example.bp.oms.isv;
 
 import lombok.extern.slf4j.Slf4j;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.annotation.Partner;
 import io.github.dddplus.ext.IIdentityResolver;
 import org.springframework.beans.factory.DisposableBean;
 
 @Partner(code = IsvPartner.CODE, name = "ISV业务前台")
 @Slf4j
-public class IsvPartner implements IIdentityResolver<IOrderModel>, DisposableBean {
+public class IsvPartner implements IIdentityResolver<IOrderMain>, DisposableBean {
     public static final String CODE = "ISV";
 
     public IsvPartner() {
@@ -17,7 +17,7 @@ public IsvPartner() {
     }
 
     @Override
-    public boolean match(IOrderModel model) {
+    public boolean match(IOrderMain model) {
         if (model.getSource() == null) {
             return false;
         }
diff --git a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/CustomModelExt.java b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/CustomModelExt.java
index 583177c..44e8df5 100644
--- a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/CustomModelExt.java
+++ b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/CustomModelExt.java
@@ -9,19 +9,19 @@
 import org.example.bp.oms.isv.aop.AutoLogger;
 import org.example.cp.oms.spec.exception.OrderErrorReason;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 import java.util.Map;
 
 @Slf4j
 @Extension(code = IsvPartner.CODE, value = "isvCustomModel", name = "ISV前台的订单个性化字段处理逻辑")
-public class CustomModelExt implements IModelAttachmentExt<IOrderModel> {
+public class CustomModelExt implements IModelAttachmentExt<IOrderMain> {
     private static final String KEY_STATION_NO = "_station_contact_";
 
     @Override
     @AutoLogger
-    public void explain(@NotNull RequestProfile source, @NotNull IOrderModel target) {
+    public void explain(@NotNull RequestProfile source, @NotNull IOrderMain target) {
         // 入参里预留了扩展属性
         Map<String, String> ext = source.getExt();
         // 站点联系人号码，是个性化字段，中台只存储，不负责逻辑：前台来处理逻辑，并告诉中台存储到哪些已预留的字段
@@ -38,10 +38,10 @@ public void explain(@NotNull RequestProfile source, @NotNull IOrderModel target)
     }
 
     @Override
-    public void explain(@NotNull IOrderModel model) {
+    public void explain(@NotNull IOrderMain model) {
     }
 
     @Override
-    public void render(@NotNull IOrderModel source, @NotNull ApiResult target) {
+    public void render(@NotNull IOrderMain source, @NotNull ApiResult target) {
     }
 }
diff --git a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/PresortExt.java b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/PresortExt.java
index f95423e..6ffc05f 100644
--- a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/PresortExt.java
+++ b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/PresortExt.java
@@ -8,7 +8,7 @@
 import org.example.bp.oms.isv.aop.AutoLogger;
 import org.example.bp.oms.isv.extension.util.WarehouseUtil;
 import org.example.cp.oms.spec.ext.IPresortExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 import java.io.IOException;
@@ -22,7 +22,7 @@ public class PresortExt implements IPresortExt {
 
     @Override
     @AutoLogger
-    public void presort(@NotNull IOrderModel model) {
+    public void presort(@NotNull IOrderMain model) {
         log.info("ISV里预分拣的结果：{}", new MockInnerClass().getResult());
 
         // 演示第三方包的使用：guava
diff --git a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/SerializableIsolationExt.java b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/SerializableIsolationExt.java
index 5b288d4..48684ce 100644
--- a/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/SerializableIsolationExt.java
+++ b/order-center-bp-isv/src/main/java/org/example/bp/oms/isv/extension/SerializableIsolationExt.java
@@ -3,7 +3,7 @@
 import io.github.dddplus.annotation.Extension;
 import org.example.bp.oms.isv.IsvPartner;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 
 import javax.validation.constraints.NotNull;
@@ -13,7 +13,7 @@
 public class SerializableIsolationExt implements ISerializableIsolationExt {
 
     @Override
-    public LockEntry createLockEntry(@NotNull IOrderModel model) {
+    public LockEntry createLockEntry(@NotNull IOrderMain model) {
         return new LockEntry(model.customerProvidedOrderNo(), 50, TimeUnit.MINUTES);
     }
 }
diff --git a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/KaPartner.java b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/KaPartner.java
index f16ee60..e41cccd 100644
--- a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/KaPartner.java
+++ b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/KaPartner.java
@@ -1,15 +1,15 @@
 package org.example.bp.oms.ka;
 
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.annotation.Partner;
 import io.github.dddplus.ext.IIdentityResolver;
 
 @Partner(code = KaPartner.CODE, name = "KA业务前台")
-public class KaPartner implements IIdentityResolver<IOrderModel> {
+public class KaPartner implements IIdentityResolver<IOrderMain> {
     public static final String CODE = "KA";
 
     @Override
-    public boolean match(IOrderModel model) {
+    public boolean match(IOrderMain model) {
         if (model.getSource() == null) {
             return false;
         }
diff --git a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/AssignOrderNoExt.java b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/AssignOrderNoExt.java
index 129ab96..dbc3c6b 100644
--- a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/AssignOrderNoExt.java
+++ b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/AssignOrderNoExt.java
@@ -3,7 +3,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.example.bp.oms.ka.KaPartner;
 import org.example.cp.oms.spec.ext.IAssignOrderNoExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.spec.resource.IStockRpc;
 
@@ -19,7 +19,7 @@ public class AssignOrderNoExt implements IAssignOrderNoExt {
     private IStockRpc stockService;
 
     @Override
-    public void assignOrderNo(@NotNull IOrderModel model) {
+    public void assignOrderNo(@NotNull IOrderMain model) {
         log.info("KA 预占库存 GSM098");
         if (!stockService.preOccupyStock("GSM098")) {
             throw new RuntimeException("预占库存失败");
diff --git a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/ReviseStepsExt.java b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/ReviseStepsExt.java
index 13401e0..cbf45f2 100644
--- a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/ReviseStepsExt.java
+++ b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/ReviseStepsExt.java
@@ -4,7 +4,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.example.bp.oms.ka.KaPartner;
 import org.example.cp.oms.spec.ext.IReviseStepsExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import java.util.List;
 
@@ -13,7 +13,7 @@
 public class ReviseStepsExt implements IReviseStepsExt {
 
     @Override
-    public List<String> reviseSteps(IOrderModel model) {
+    public List<String> reviseSteps(IOrderMain model) {
         log.info("KA will not revise subsequent steps");
         return null;
     }
diff --git a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/SerializableIsolationExt.java b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/SerializableIsolationExt.java
index 3ea9aca..f6220ea 100644
--- a/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/SerializableIsolationExt.java
+++ b/order-center-bp-ka/src/main/java/org/example/bp/oms/ka/extension/SerializableIsolationExt.java
@@ -3,7 +3,7 @@
 import lombok.extern.slf4j.Slf4j;
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 import org.example.bp.oms.ka.KaPartner;
 
@@ -15,7 +15,7 @@
 public class SerializableIsolationExt implements ISerializableIsolationExt {
 
     @Override
-    public LockEntry createLockEntry(@NotNull IOrderModel model) {
+    public LockEntry createLockEntry(@NotNull IOrderMain model) {
         log.info("KA的锁TTL大一些");
         return new LockEntry(model.customerProvidedOrderNo(), 11, TimeUnit.MINUTES);
     }
diff --git a/order-center-cp/cp-oc-controller/src/main/java/org/example/cp/oms/controller/OrderController.java b/order-center-cp/cp-oc-controller/src/main/java/org/example/cp/oms/controller/OrderController.java
index e61b2e6..53e3f8b 100644
--- a/order-center-cp/cp-oc-controller/src/main/java/org/example/cp/oms/controller/OrderController.java
+++ b/order-center-cp/cp-oc-controller/src/main/java/org/example/cp/oms/controller/OrderController.java
@@ -3,7 +3,7 @@
 import lombok.extern.slf4j.Slf4j;
 import io.github.dddplus.api.RequestProfile;
 import io.github.dddplus.runtime.registry.Container;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.model.OrderModelCreator;
 import org.example.cp.oms.domain.service.SubmitOrder;
 import org.slf4j.MDC;
@@ -47,7 +47,7 @@ public String submitOrder(@RequestParam(required = false) String type) {
         creator.setSource(type);
         creator.setCustomerNo("goog"); // if 'home', HomeAppliancePattern will match
         creator.setExternalNo("20200987655");
-        OrderModel model = OrderModel.createWith(creator);
+        OrderMain model = OrderMain.createWith(creator);
 
         // 调用domain service完成该use case
         submitOrder.submit(model);
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/AssignOrderNoAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/AssignOrderNoAbility.java
index ac02bda..0749b9e 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/AssignOrderNoAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/AssignOrderNoAbility.java
@@ -3,7 +3,7 @@
 import org.example.cp.oms.domain.CoreDomain;
 import org.example.cp.oms.domain.ability.extension.DefaultAssignOrderNoExt;
 import org.example.cp.oms.spec.ext.IAssignOrderNoExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.annotation.DomainAbility;
 import io.github.dddplus.runtime.BaseDomainAbility;
 
@@ -11,17 +11,17 @@
 import javax.validation.constraints.NotNull;
 
 @DomainAbility(domain = CoreDomain.CODE, name = "分配订单号的能力")
-public class AssignOrderNoAbility extends BaseDomainAbility<IOrderModel, IAssignOrderNoExt> {
+public class AssignOrderNoAbility extends BaseDomainAbility<IOrderMain, IAssignOrderNoExt> {
 
     @Resource
     private DefaultAssignOrderNoExt defaultAssignOrderNoExt;
 
-    public void assignOrderNo(@NotNull IOrderModel model) {
+    public void assignOrderNo(@NotNull IOrderMain model) {
         firstExtension(model).assignOrderNo(model);
     }
 
     @Override
-    public IAssignOrderNoExt defaultExtension(@NotNull IOrderModel model) {
+    public IAssignOrderNoExt defaultExtension(@NotNull IOrderMain model) {
         return defaultAssignOrderNoExt;
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/CustomModelAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/CustomModelAbility.java
index 8d36073..ae4f47d 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/CustomModelAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/CustomModelAbility.java
@@ -4,19 +4,19 @@
 import io.github.dddplus.ext.IModelAttachmentExt;
 import io.github.dddplus.runtime.BaseDomainAbility;
 import org.example.cp.oms.domain.CoreDomain;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
 @DomainAbility(domain = CoreDomain.CODE)
-public class CustomModelAbility extends BaseDomainAbility<IOrderModel, IModelAttachmentExt> {
+public class CustomModelAbility extends BaseDomainAbility<IOrderMain, IModelAttachmentExt> {
 
-    public void explain(@NotNull IOrderModel model) {
+    public void explain(@NotNull IOrderMain model) {
         firstExtension(model).explain(model.requestProfile(), model);
     }
 
     @Override
-    public IModelAttachmentExt defaultExtension(IOrderModel model) {
+    public IModelAttachmentExt defaultExtension(IOrderMain model) {
         return null;
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/DecideStepsAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/DecideStepsAbility.java
index 224da4e..79ab59e 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/DecideStepsAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/DecideStepsAbility.java
@@ -2,7 +2,7 @@
 
 import org.example.cp.oms.domain.CoreDomain;
 import org.example.cp.oms.spec.DomainAbilities;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.annotation.DomainAbility;
 import io.github.dddplus.ext.IDecideStepsExt;
 import io.github.dddplus.runtime.BaseDomainAbility;
@@ -11,14 +11,14 @@
 import java.util.List;
 
 @DomainAbility(domain = CoreDomain.CODE, name = "动态决定领域步骤的能力", tags = DomainAbilities.decideSteps)
-public class DecideStepsAbility extends BaseDomainAbility<IOrderModel, IDecideStepsExt> {
+public class DecideStepsAbility extends BaseDomainAbility<IOrderMain, IDecideStepsExt> {
 
-    public List<String> decideSteps(@NotNull IOrderModel model, String activityCode) {
+    public List<String> decideSteps(@NotNull IOrderMain model, String activityCode) {
         return firstExtension(model).decideSteps(model, activityCode);
     }
 
     @Override
-    public IDecideStepsExt defaultExtension(@NotNull IOrderModel model) {
+    public IDecideStepsExt defaultExtension(@NotNull IOrderMain model) {
         // 没有默认的扩展点实现
         return null;
     }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PostPersistAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PostPersistAbility.java
index b17cf40..c8cfc79 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PostPersistAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PostPersistAbility.java
@@ -4,20 +4,19 @@
 import io.github.dddplus.runtime.BaseDomainAbility;
 import org.example.cp.oms.domain.CoreDomain;
 import org.example.cp.oms.spec.ext.IPostPersistExt;
-import org.example.cp.oms.spec.ext.IPresortExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
 @DomainAbility(domain = CoreDomain.CODE, name = "落库后的扩展能力")
-public class PostPersistAbility extends BaseDomainAbility<IOrderModel, IPostPersistExt> {
+public class PostPersistAbility extends BaseDomainAbility<IOrderMain, IPostPersistExt> {
 
-    public void afterPersist(@NotNull IOrderModel model) {
+    public void afterPersist(@NotNull IOrderMain model) {
         firstExtension(model).afterPersist(model);
     }
 
     @Override
-    public IPostPersistExt defaultExtension(@NotNull IOrderModel model) {
+    public IPostPersistExt defaultExtension(@NotNull IOrderMain model) {
         return null;
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PresortAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PresortAbility.java
index bfa7294..f1ad9df 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PresortAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/PresortAbility.java
@@ -4,19 +4,19 @@
 import io.github.dddplus.runtime.BaseDomainAbility;
 import org.example.cp.oms.domain.CoreDomain;
 import org.example.cp.oms.spec.ext.IPresortExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
 @DomainAbility(domain = CoreDomain.CODE, name = "预分拣的能力")
-public class PresortAbility extends BaseDomainAbility<IOrderModel, IPresortExt> {
+public class PresortAbility extends BaseDomainAbility<IOrderMain, IPresortExt> {
 
-    public void presort(@NotNull IOrderModel model) {
+    public void presort(@NotNull IOrderMain model) {
         firstExtension(model).presort(model);
     }
 
     @Override
-    public IPresortExt defaultExtension(@NotNull IOrderModel model) {
+    public IPresortExt defaultExtension(@NotNull IOrderMain model) {
         return null;
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/ReviseStepsAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/ReviseStepsAbility.java
index 35ed8c5..1d98252 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/ReviseStepsAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/ReviseStepsAbility.java
@@ -3,22 +3,22 @@
 import io.github.dddplus.annotation.DomainAbility;
 import io.github.dddplus.runtime.BaseDomainAbility;
 import org.example.cp.oms.domain.CoreDomain;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.spec.ext.IReviseStepsExt;
 
 import javax.validation.constraints.NotNull;
 import java.util.List;
 
 @DomainAbility(domain = CoreDomain.CODE)
-public class ReviseStepsAbility extends BaseDomainAbility<OrderModel, IReviseStepsExt> {
+public class ReviseStepsAbility extends BaseDomainAbility<OrderMain, IReviseStepsExt> {
 
-    public List<String> revisedSteps(@NotNull OrderModel model) {
+    public List<String> revisedSteps(@NotNull OrderMain model) {
         // execute ext with timeout 300ms
         return firstExtension(model, 300).reviseSteps(model);
     }
 
     @Override
-    public IReviseStepsExt defaultExtension(@NotNull OrderModel model) {
+    public IReviseStepsExt defaultExtension(@NotNull OrderMain model) {
         return null;
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/SerializableIsolationAbility.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/SerializableIsolationAbility.java
index 24aa2f0..bf4da14 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/SerializableIsolationAbility.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/SerializableIsolationAbility.java
@@ -5,7 +5,7 @@
 import org.example.cp.oms.domain.facade.cache.IRedisClient;
 import org.example.cp.oms.domain.facade.lock.IRedisLockFactory;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 import io.github.dddplus.annotation.DomainAbility;
 import io.github.dddplus.runtime.BaseDomainAbility;
@@ -16,7 +16,7 @@
 
 @DomainAbility(domain = CoreDomain.CODE, name = "订单串行化隔离的能力")
 @Slf4j
-public class SerializableIsolationAbility extends BaseDomainAbility<IOrderModel, ISerializableIsolationExt> {
+public class SerializableIsolationAbility extends BaseDomainAbility<IOrderMain, ISerializableIsolationExt> {
     private static final Lock withoutLock = null;
 
     @Resource
@@ -25,7 +25,7 @@ public class SerializableIsolationAbility extends BaseDomainAbility<IOrderModel,
     @Resource
     private IRedisClient redisClient;
 
-    public Lock acquireLock(@NotNull IOrderModel model) {
+    public Lock acquireLock(@NotNull IOrderMain model) {
         LockEntry lockEntry = firstExtension(model).createLockEntry(model);
         if (lockEntry == null) {
             return withoutLock;
@@ -42,7 +42,7 @@ public static boolean useLock(Lock lock) {
     }
 
     @Override
-    public ISerializableIsolationExt defaultExtension(@NotNull IOrderModel model) {
+    public ISerializableIsolationExt defaultExtension(@NotNull IOrderMain model) {
         // 默认不防并发
         return null;
     }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/extension/DefaultAssignOrderNoExt.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/extension/DefaultAssignOrderNoExt.java
index 7c88b12..b5937ce 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/extension/DefaultAssignOrderNoExt.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/ability/extension/DefaultAssignOrderNoExt.java
@@ -2,7 +2,7 @@
 
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.spec.ext.IAssignOrderNoExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -10,7 +10,7 @@
 public class DefaultAssignOrderNoExt implements IAssignOrderNoExt {
 
     @Override
-    public void assignOrderNo(@NotNull IOrderModel model) {
+    public void assignOrderNo(@NotNull IOrderMain model) {
 
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/mq/IMessageProducer.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/mq/IMessageProducer.java
index 1f715ca..b00ad39 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/mq/IMessageProducer.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/mq/IMessageProducer.java
@@ -1,10 +1,10 @@
 package org.example.cp.oms.domain.facade.mq;
 
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 
 import javax.validation.constraints.NotNull;
 
 public interface IMessageProducer {
 
-    void produce(@NotNull OrderModel orderModel);
+    void produce(@NotNull OrderMain orderModel);
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/repository/IOrderRepository.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/repository/IOrderRepository.java
index 201d095..d9de9e6 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/repository/IOrderRepository.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/facade/repository/IOrderRepository.java
@@ -1,10 +1,10 @@
 package org.example.cp.oms.domain.facade.repository;
 
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 
 import javax.validation.constraints.NotNull;
 
 public interface IOrderRepository {
 
-    void persist(@NotNull OrderModel orderModel);
+    void persist(@NotNull OrderMain orderModel);
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderModel.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderMain.java
similarity index 78%
rename from order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderModel.java
rename to order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderMain.java
index a6ee7c2..4dd90e7 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderModel.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/OrderMain.java
@@ -6,14 +6,19 @@
 import io.github.dddplus.api.RequestProfile;
 import org.example.cp.oms.spec.exception.OrderException;
 import org.example.cp.oms.domain.model.vo.ProductDelegate;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.IProductDelegate;
 
 import javax.validation.constraints.NotNull;
 
-@Getter
+/**
+ * 订单主档.
+ *
+ * <p>注意，它没有实现Serializable，因为它不会网络传递，也不会本地文件存储.</p>
+ */
+@Getter // 注意：它没有@Setter，是为了封装，包含订单一致性
 @Slf4j
-public class OrderModel implements IOrderModel {
+public class OrderMain implements IOrderMain {
 
     private String source;
     private String customerNo;
@@ -35,12 +40,12 @@ public class OrderModel implements IOrderModel {
     @Getter
     private String x1, x2;
 
-    public static OrderModel createWith(@NotNull OrderModelCreator creator) throws OrderException {
+    public static OrderMain createWith(@NotNull OrderModelCreator creator) throws OrderException {
         log.debug("creating with {}", creator);
-        return new OrderModel(creator).validate();
+        return new OrderMain(creator).validate();
     }
 
-    private OrderModel(OrderModelCreator creator) {
+    private OrderMain(OrderModelCreator creator) {
         this.source = creator.getSource();
         this.customerNo = creator.getCustomerNo();
         this.externalNo = creator.getExternalNo();
@@ -49,7 +54,7 @@ private OrderModel(OrderModelCreator creator) {
         this.productDelegate = ProductDelegate.createWith(creator);
     }
 
-    private OrderModel validate() throws OrderException {
+    private OrderMain validate() throws OrderException {
         // 模型本身的基础校验
         return this;
     }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/vo/OrderItem.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/vo/OrderItem.java
new file mode 100644
index 0000000..f1270a4
--- /dev/null
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/model/vo/OrderItem.java
@@ -0,0 +1,6 @@
+package org.example.cp.oms.domain.model.vo;
+
+import org.example.cp.oms.spec.model.vo.IOrderItem;
+
+public class OrderItem implements IOrderItem {
+}
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/CancelOrder.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/CancelOrder.java
index fdbb58f..4375ba7 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/CancelOrder.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/CancelOrder.java
@@ -5,7 +5,7 @@
 import org.example.cp.oms.domain.ability.SerializableIsolationAbility;
 import org.example.cp.oms.spec.exception.OrderErrorReason;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.CancelOrderStepsExec;
 import io.github.dddplus.annotation.DomainService;
 import io.github.dddplus.model.IDomainService;
@@ -25,7 +25,7 @@ public class CancelOrder implements IDomainService {
     @Resource
     private CancelOrderStepsExec cancelOrderStepsExec;
 
-    public void submit(@NotNull OrderModel orderModel) throws OrderException {
+    public void submit(@NotNull OrderMain orderModel) throws OrderException {
         Lock lock = DDD.findAbility(SerializableIsolationAbility.class).acquireLock(orderModel);
         if (SerializableIsolationAbility.useLock(lock) && !lock.tryLock()) {
             // 存在并发
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/SubmitOrder.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/SubmitOrder.java
index 71508b3..414f0f7 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/SubmitOrder.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/service/SubmitOrder.java
@@ -11,7 +11,7 @@
 import org.example.cp.oms.domain.ability.DecideStepsAbility;
 import org.example.cp.oms.spec.exception.OrderErrorReason;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.spec.Steps;
 
 import javax.annotation.Resource;
@@ -26,7 +26,7 @@ public class SubmitOrder implements IDomainService {
     @Resource
     private SubmitOrderStepsExec submitOrderStepsExec;
 
-    public void submit(@NotNull OrderModel orderModel) throws OrderException {
+    public void submit(@NotNull OrderMain orderModel) throws OrderException {
         // 先通过防并发扩展点防止一个订单多次处理：但防并发逻辑在不同场景下不同
         // 同时，也希望研发清楚：扩展点不是绑定到领域步骤的，它可以在任何地方使用！
         Lock lock = DDD.findAbility(SerializableIsolationAbility.class).acquireLock(orderModel);
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStep.java
index 6113e17..01f5a95 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStep.java
@@ -1,11 +1,11 @@
 package org.example.cp.oms.domain.step;
 
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import io.github.dddplus.step.IDomainStep;
 import org.example.cp.oms.spec.Steps;
 
-public abstract class CancelOrderStep implements IDomainStep<OrderModel, OrderException> {
+public abstract class CancelOrderStep implements IDomainStep<OrderMain, OrderException> {
 
     @Override
     public String activityCode() {
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStepsExec.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStepsExec.java
index 5b6ad18..d8d273b 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStepsExec.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/CancelOrderStepsExec.java
@@ -2,19 +2,19 @@
 
 import io.github.dddplus.runtime.StepsExecTemplate;
 import lombok.extern.slf4j.Slf4j;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.springframework.stereotype.Component;
 
 @Component
 @Slf4j
-public class CancelOrderStepsExec extends StepsExecTemplate<CancelOrderStep, OrderModel> {
+public class CancelOrderStepsExec extends StepsExecTemplate<CancelOrderStep, OrderMain> {
 
     @Override
-    protected void beforeStep(CancelOrderStep step, OrderModel model) {
+    protected void beforeStep(CancelOrderStep step, OrderMain model) {
         log.info("step:{}.{} before:{}", step.activityCode(), step.stepCode(), model.label());
     }
 
     @Override
-    protected void afterStep(CancelOrderStep step, OrderModel model) {
+    protected void afterStep(CancelOrderStep step, OrderMain model) {
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStep.java
index b0a063b..848aef3 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStep.java
@@ -1,13 +1,13 @@
 package org.example.cp.oms.domain.step;
 
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import io.github.dddplus.step.IRevokableDomainStep;
 import org.example.cp.oms.spec.exception.OrderException;
 import org.example.cp.oms.spec.Steps;
 
 import javax.validation.constraints.NotNull;
 
-public abstract class SubmitOrderStep implements IRevokableDomainStep<OrderModel, OrderException> {
+public abstract class SubmitOrderStep implements IRevokableDomainStep<OrderMain, OrderException> {
 
     @Override
     public String activityCode() {
@@ -15,7 +15,7 @@ public String activityCode() {
     }
 
     @Override
-    public void rollback(@NotNull OrderModel model, @NotNull OrderException cause) {
+    public void rollback(@NotNull OrderMain model, @NotNull OrderException cause) {
         // 默认不回滚，子类可以通过覆盖实现对应步骤的回滚逻辑
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStepsExec.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStepsExec.java
index ac87d1d..16089b0 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStepsExec.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/SubmitOrderStepsExec.java
@@ -2,19 +2,19 @@
 
 import io.github.dddplus.runtime.StepsExecTemplate;
 import lombok.extern.slf4j.Slf4j;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.springframework.stereotype.Component;
 
 @Component
 @Slf4j
-public class SubmitOrderStepsExec extends StepsExecTemplate<SubmitOrderStep, OrderModel> {
+public class SubmitOrderStepsExec extends StepsExecTemplate<SubmitOrderStep, OrderMain> {
 
     @Override
-    protected void beforeStep(SubmitOrderStep step, OrderModel model) {
+    protected void beforeStep(SubmitOrderStep step, OrderMain model) {
         log.info("step:{}.{} before:{}", step.activityCode(), step.stepCode(), model.label());
     }
 
     @Override
-    protected void afterStep(SubmitOrderStep step, OrderModel model) {
+    protected void afterStep(SubmitOrderStep step, OrderMain model) {
     }
 }
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/BasicStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/BasicStep.java
index 5195e6a..ac1d4d4 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/BasicStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/BasicStep.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.CancelOrderStep;
 import org.example.cp.oms.spec.Steps;
 import io.github.dddplus.annotation.Step;
@@ -14,7 +14,7 @@
 public class BasicStep extends CancelOrderStep {
 
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
 
     }
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/StateStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/StateStep.java
index 619d112..0a17af9 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/StateStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/cancelorder/StateStep.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.CancelOrderStep;
 import org.example.cp.oms.spec.Steps;
 import io.github.dddplus.annotation.Step;
@@ -14,7 +14,7 @@
 public class StateStep extends CancelOrderStep {
 
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
 
     }
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BasicStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BasicStep.java
index a29f1f4..04d90ff 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BasicStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BasicStep.java
@@ -6,7 +6,7 @@
 import io.github.dddplus.step.ReviseStepsException;
 import org.example.cp.oms.domain.ability.PresortAbility;
 import org.example.cp.oms.domain.ability.ReviseStepsAbility;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.SubmitOrderStep;
 import org.example.cp.oms.spec.Steps;
 import org.example.cp.oms.spec.exception.OrderException;
@@ -19,7 +19,7 @@
 public class BasicStep extends SubmitOrderStep {
 
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
         model.setStep(this.stepCode());
 
         // 动态决定后续步骤：决定后续步骤这个行为，也抽象为扩展点，不同场景进行实现，以实现动态步骤编排的业务多态性
@@ -36,7 +36,7 @@ public void execute(@NotNull OrderModel model) throws OrderException {
     }
 
     @Override
-    public void rollback(@NotNull OrderModel model, @NotNull OrderException cause) {
+    public void rollback(@NotNull OrderMain model, @NotNull OrderException cause) {
         log.info("will rollback now...");
     }
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BroadcastStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BroadcastStep.java
index d68f70b..f70ba68 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BroadcastStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/BroadcastStep.java
@@ -2,7 +2,7 @@
 
 import org.example.cp.oms.spec.exception.OrderException;
 import org.example.cp.oms.domain.facade.mq.IMessageProducer;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.SubmitOrderStep;
 import org.example.cp.oms.spec.Steps;
 import io.github.dddplus.annotation.Step;
@@ -17,7 +17,7 @@ public class BroadcastStep extends SubmitOrderStep {
     private IMessageProducer messageProducer;
     
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
         messageProducer.produce(model);
     }
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PersistStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PersistStep.java
index 7c10f79..f88afc2 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PersistStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PersistStep.java
@@ -4,7 +4,7 @@
 import org.example.cp.oms.domain.ability.CustomModelAbility;
 import org.example.cp.oms.spec.exception.OrderException;
 import org.example.cp.oms.domain.facade.repository.IOrderRepository;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.SubmitOrderStep;
 import org.example.cp.oms.spec.Steps;
 import io.github.dddplus.annotation.Step;
@@ -20,7 +20,7 @@ public class PersistStep extends SubmitOrderStep {
     private IOrderRepository orderRepository;
     
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
         // 分配订单号：不同场景下，订单号规则不同
         DDD.findAbility(AssignOrderNoAbility.class).assignOrderNo(model);
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PresortStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PresortStep.java
index aa084e0..32a56d5 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PresortStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/PresortStep.java
@@ -1,23 +1,18 @@
 package org.example.cp.oms.domain.step.submitorder;
 
 import io.github.dddplus.annotation.Step;
-import io.github.dddplus.runtime.DDD;
-import org.example.cp.oms.domain.ability.AssignOrderNoAbility;
-import org.example.cp.oms.domain.ability.CustomModelAbility;
-import org.example.cp.oms.domain.facade.repository.IOrderRepository;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.SubmitOrderStep;
 import org.example.cp.oms.spec.Steps;
 import org.example.cp.oms.spec.exception.OrderException;
 
-import javax.annotation.Resource;
 import javax.validation.constraints.NotNull;
 
 @Step(value = "submitPresortStep", name = "预分拣步骤")
 public class PresortStep extends SubmitOrderStep {
 
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
         // TODO 把预分拣扩展点从BasicStep移动到这里
     }
 
diff --git a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/ProductStep.java b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/ProductStep.java
index 9822ab9..7c9e7b9 100644
--- a/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/ProductStep.java
+++ b/order-center-cp/cp-oc-domain/src/main/java/org/example/cp/oms/domain/step/submitorder/ProductStep.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.step.SubmitOrderStep;
 import org.example.cp.oms.spec.Steps;
 import io.github.dddplus.annotation.Step;
@@ -14,7 +14,7 @@
 public class ProductStep extends SubmitOrderStep {
 
     @Override
-    public void execute(@NotNull OrderModel model) throws OrderException {
+    public void execute(@NotNull OrderMain model) throws OrderException {
     }
 
     @Override
diff --git a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/mq/MessageProducer.java b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/mq/MessageProducer.java
index 8a485c8..efccc19 100644
--- a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/mq/MessageProducer.java
+++ b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/mq/MessageProducer.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.example.cp.oms.domain.facade.mq.IMessageProducer;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.springframework.stereotype.Component;
 
 import javax.validation.constraints.NotNull;
@@ -12,7 +12,7 @@
 public class MessageProducer implements IMessageProducer {
 
     @Override
-    public void produce(@NotNull OrderModel orderModel) {
+    public void produce(@NotNull OrderMain orderModel) {
         log.info("已经发送给MQ：{}", orderModel);
     }
 }
diff --git a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/repository/OrderRepository.java b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/repository/OrderRepository.java
index b461bb6..1af23cb 100644
--- a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/repository/OrderRepository.java
+++ b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/repository/OrderRepository.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.example.cp.oms.domain.facade.repository.IOrderRepository;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.infra.manager.IOrderManager;
 import org.example.cp.oms.infra.po.OrderMainData;
 import org.example.cp.oms.infra.translator.OrderTranslator;
@@ -19,7 +19,7 @@ public class OrderRepository implements IOrderRepository {
     private IOrderManager orderManager;
 
     @Override
-    public void persist(@NotNull OrderModel orderModel) {
+    public void persist(@NotNull OrderMain orderModel) {
         log.info("落库：{}", orderModel);
 
         if (true) {
diff --git a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/translator/OrderTranslator.java b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/translator/OrderTranslator.java
index 0518b54..94f5d60 100644
--- a/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/translator/OrderTranslator.java
+++ b/order-center-cp/cp-oc-infrastructure/src/main/java/org/example/cp/oms/infra/translator/OrderTranslator.java
@@ -2,7 +2,7 @@
 
 import org.example.cp.oms.infra.po.OrderMainData;
 import io.github.dddplus.IBaseTranslator;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.mapstruct.Mapper;
 import org.mapstruct.ReportingPolicy;
 import org.mapstruct.factory.Mappers;
@@ -12,10 +12,10 @@
         unmappedTargetPolicy = ReportingPolicy.WARN,
         typeConversionPolicy = ReportingPolicy.ERROR
 )
-public interface OrderTranslator extends IBaseTranslator<OrderModel, OrderMainData> {
+public interface OrderTranslator extends IBaseTranslator<OrderMain, OrderMainData> {
 
     OrderTranslator instance = Mappers.getMapper(OrderTranslator.class);
 
     @Override
-    OrderMainData translate(OrderModel orderModel);
+    OrderMainData translate(OrderMain orderModel);
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IAssignOrderNoExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IAssignOrderNoExt.java
index a810b65..efe55c0 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IAssignOrderNoExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IAssignOrderNoExt.java
@@ -1,6 +1,6 @@
 package org.example.cp.oms.spec.ext;
 
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.ext.IDomainExtension;
 
 import javax.validation.constraints.NotNull;
@@ -10,6 +10,6 @@
  */
 public interface IAssignOrderNoExt extends IDomainExtension {
 
-    void assignOrderNo(@NotNull IOrderModel model);
+    void assignOrderNo(@NotNull IOrderMain model);
 
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPostPersistExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPostPersistExt.java
index 976023a..f72ad10 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPostPersistExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPostPersistExt.java
@@ -1,7 +1,7 @@
 package org.example.cp.oms.spec.ext;
 
 import io.github.dddplus.ext.IDomainExtension;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -10,5 +10,5 @@
  */
 public interface IPostPersistExt extends IDomainExtension {
 
-    void afterPersist(@NotNull IOrderModel model);
+    void afterPersist(@NotNull IOrderMain model);
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPresortExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPresortExt.java
index 4ad9815..207f448 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPresortExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IPresortExt.java
@@ -1,7 +1,7 @@
 package org.example.cp.oms.spec.ext;
 
 import io.github.dddplus.ext.IDomainExtension;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -12,5 +12,5 @@
  */
 public interface IPresortExt extends IDomainExtension {
 
-    void presort(@NotNull IOrderModel model);
+    void presort(@NotNull IOrderMain model);
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IReviseStepsExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IReviseStepsExt.java
index ef336d8..c3264e7 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IReviseStepsExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/IReviseStepsExt.java
@@ -1,6 +1,6 @@
 package org.example.cp.oms.spec.ext;
 
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.ext.IDomainExtension;
 
 import javax.validation.constraints.NotNull;
@@ -8,6 +8,6 @@
 
 public interface IReviseStepsExt extends IDomainExtension {
 
-    List<String> reviseSteps(@NotNull IOrderModel model);
+    List<String> reviseSteps(@NotNull IOrderMain model);
 
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISensitiveWordsExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISensitiveWordsExt.java
index d0454d3..6f12b32 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISensitiveWordsExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISensitiveWordsExt.java
@@ -1,7 +1,7 @@
 package org.example.cp.oms.spec.ext;
 
 import io.github.dddplus.ext.IDomainExtension;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -10,5 +10,5 @@
  */
 public interface ISensitiveWordsExt extends IDomainExtension {
 
-    String[] extract(@NotNull IOrderModel model);
+    String[] extract(@NotNull IOrderMain model);
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISerializableIsolationExt.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISerializableIsolationExt.java
index 05346ad..c3bb27a 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISerializableIsolationExt.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/ext/ISerializableIsolationExt.java
@@ -1,6 +1,6 @@
 package org.example.cp.oms.spec.ext;
 
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 import io.github.dddplus.ext.IDomainExtension;
 
@@ -17,6 +17,6 @@ public interface ISerializableIsolationExt extends IDomainExtension {
      * @param model
      * @return lock entry object. if null, 不需要防并发
      */
-    LockEntry createLockEntry(@NotNull IOrderModel model);
+    LockEntry createLockEntry(@NotNull IOrderMain model);
 
 }
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderModel.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderMain.java
similarity index 88%
rename from order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderModel.java
rename to order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderMain.java
index 22cda57..1a43e45 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderModel.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/IOrderMain.java
@@ -6,9 +6,9 @@
 import lombok.NonNull;
 
 /**
- * 中台为业务前台输出的领域模型：以接口的方式控制visibility.
+ * 中台为业务前台输出的订单聚合根：以接口的方式控制visibility.
  */
-public interface IOrderModel extends IDomainModel {
+public interface IOrderMain extends IDomainModel {
 
     /**
      * 获取订单里包含的产品信息.
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IOrderItem.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IOrderItem.java
new file mode 100644
index 0000000..688e72c
--- /dev/null
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IOrderItem.java
@@ -0,0 +1,4 @@
+package org.example.cp.oms.spec.model.vo;
+
+public interface IOrderItem {
+}
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProduct.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProduct.java
index 9f28bac..d623bca 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProduct.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProduct.java
@@ -1,7 +1,9 @@
 package org.example.cp.oms.spec.model.vo;
 
 /**
- * 产品信息.
+ * 订单包含的服务产品信息.
+ *
+ * <p>例如：仓内加工，货到付款，保价等，都是额外的服务产品.</p>
  */
 public interface IProduct {
 
diff --git a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProductDelegate.java b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProductDelegate.java
index d96fb56..6979770 100644
--- a/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProductDelegate.java
+++ b/order-center-cp/cp-oc-spec/src/main/java/org/example/cp/oms/spec/model/vo/IProductDelegate.java
@@ -2,6 +2,12 @@
 
 import java.util.List;
 
+/**
+ * 订单的服务产品管理器.
+ *
+ * <p>它管理某个订单的服务产品.</p>
+ * <p>DDD里喜欢使用带有业务属性的VO，而不是直接使用Java primitive types，是很有道理的.</p>
+ */
 public interface IProductDelegate {
     List<? extends IProduct> getProducts();
 }
diff --git a/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/ExampleTest.java b/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/ExampleTest.java
index 5961081..a7ea0b0 100644
--- a/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/ExampleTest.java
+++ b/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/ExampleTest.java
@@ -2,7 +2,7 @@
 
 import io.github.dddplus.api.RequestProfile;
 import org.example.cp.oms.spec.exception.OrderException;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.model.OrderModelCreator;
 import org.example.cp.oms.domain.service.SubmitOrder;
 import org.junit.Ignore;
@@ -38,7 +38,7 @@ public void demoSubmitOrder() throws OrderException {
         creator.setCustomerNo("home"); // HomeAppliancePattern 会触发家电相关的扩展点
         creator.setExternalNo("20200987655");
         creator.setRequestProfile(requestProfile);
-        OrderModel orderModel = OrderModel.createWith(creator);
+        OrderMain orderModel = OrderMain.createWith(creator);
 
         // ISV业务前台的下单执行：
         //   SerializableIsolationExt -> DecideStepsExt -> BasicStep(PresortExt) -> PersistStep(AssignOrderNoExt, CustomModelAbility) -> BroadcastStep
@@ -56,7 +56,7 @@ public void failureCase() {
         creator.setCustomerNo("home"); // HomeAppliancePattern 会触发家电相关的扩展点
         creator.setExternalNo("20200987655");
         creator.setRequestProfile(requestProfile);
-        OrderModel orderModel = OrderModel.createWith(creator);
+        OrderMain orderModel = OrderMain.createWith(creator);
         try {
             submitOrder.submit(orderModel);
             fail();
diff --git a/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/PluginMechanismTest.java b/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/PluginMechanismTest.java
index cd2c658..a669a4c 100644
--- a/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/PluginMechanismTest.java
+++ b/order-center-cp/cp-oc-test/src/test/java/org/example/cp/oms/PluginMechanismTest.java
@@ -5,7 +5,7 @@
 import io.github.dddplus.plugin.IPlugin;
 import io.github.dddplus.runtime.registry.Container;
 import lombok.extern.slf4j.Slf4j;
-import org.example.cp.oms.domain.model.OrderModel;
+import org.example.cp.oms.domain.model.OrderMain;
 import org.example.cp.oms.domain.model.OrderModelCreator;
 import org.example.cp.oms.domain.service.SubmitOrder;
 import org.junit.Ignore;
@@ -115,7 +115,7 @@ private void submitOrder(ApplicationContext applicationContext, String source) {
         creator.setSource(source);
         creator.setCustomerNo("home"); // HomeAppliancePattern
         creator.setExternalNo("20200987655");
-        OrderModel orderModel = OrderModel.createWith(creator);
+        OrderMain orderModel = OrderMain.createWith(creator);
 
         // call the domain service
         SubmitOrder submitOrder = (SubmitOrder) applicationContext.getBean("submitOrder");
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/ColdChainB2BPattern.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/ColdChainB2BPattern.java
index 250b370..f4ba9c1 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/ColdChainB2BPattern.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/ColdChainB2BPattern.java
@@ -3,16 +3,16 @@
 import io.github.dddplus.annotation.Pattern;
 import io.github.dddplus.ext.IIdentityResolver;
 import org.example.cp.oms.spec.Patterns;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
 @Pattern(code = ColdChainB2BPattern.CODE, name = "冷链B2B模式", tags = Patterns.Tags.B2B)
-public class ColdChainB2BPattern implements IIdentityResolver<IOrderModel> {
+public class ColdChainB2BPattern implements IIdentityResolver<IOrderMain> {
     public static final String CODE = Patterns.ColdChainB2B;
 
     @Override
-    public boolean match(@NotNull IOrderModel model) {
+    public boolean match(@NotNull IOrderMain model) {
         return model.isB2B() && model.isColdChain();
     }
 }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HairPattern.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HairPattern.java
index c732ce3..500eb71 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HairPattern.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HairPattern.java
@@ -2,17 +2,17 @@
 
 import io.github.dddplus.annotation.Pattern;
 import org.example.cp.oms.spec.Patterns;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.ext.IIdentityResolver;
 
 import javax.validation.constraints.NotNull;
 
 @Pattern(code = HairPattern.CODE, name = "海尔业务模式")
-public class HairPattern implements IIdentityResolver<IOrderModel> {
+public class HairPattern implements IIdentityResolver<IOrderMain> {
     public static final String CODE = Patterns.Hair;
 
     @Override
-    public boolean match(@NotNull IOrderModel model) {
+    public boolean match(@NotNull IOrderMain model) {
         if (model.getCustomerNo() == null) {
             return false;
         }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HomeAppliancePattern.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HomeAppliancePattern.java
index 51a7d9d..f436be1 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HomeAppliancePattern.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/HomeAppliancePattern.java
@@ -2,17 +2,17 @@
 
 import io.github.dddplus.annotation.Pattern;
 import org.example.cp.oms.spec.Patterns;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import io.github.dddplus.ext.IIdentityResolver;
 
 import javax.validation.constraints.NotNull;
 
 @Pattern(code = HomeAppliancePattern.CODE, name = "家用电器行业模式")
-public class HomeAppliancePattern implements IIdentityResolver<IOrderModel> {
+public class HomeAppliancePattern implements IIdentityResolver<IOrderMain> {
     public static final String CODE = Patterns.HomeAppliance;
 
     @Override
-    public boolean match(@NotNull IOrderModel model) {
+    public boolean match(@NotNull IOrderMain model) {
         if (model.getCustomerNo() == null) {
             return false;
         }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/coldchain_b2b/SerializableIsolationExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/coldchain_b2b/SerializableIsolationExt.java
index b5c1f60..9f1fbfa 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/coldchain_b2b/SerializableIsolationExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/coldchain_b2b/SerializableIsolationExt.java
@@ -3,7 +3,7 @@
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.pattern.ColdChainB2BPattern;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 
 import javax.validation.constraints.NotNull;
@@ -13,7 +13,7 @@
 public class SerializableIsolationExt implements ISerializableIsolationExt {
 
     @Override
-    public LockEntry createLockEntry(@NotNull IOrderModel model) {
+    public LockEntry createLockEntry(@NotNull IOrderMain model) {
         return new LockEntry(model.customerProvidedOrderNo(), 19, TimeUnit.MINUTES);
     }
 }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/ReviseStepsExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/ReviseStepsExt.java
index 5f8a3b6..ec4bcbe 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/ReviseStepsExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/ReviseStepsExt.java
@@ -4,7 +4,7 @@
 import org.example.cp.oms.pattern.HairPattern;
 import org.example.cp.oms.spec.Steps;
 import org.example.cp.oms.spec.ext.IReviseStepsExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -13,7 +13,7 @@
 public class ReviseStepsExt implements IReviseStepsExt {
 
     @Override
-    public List<String> reviseSteps(IOrderModel model) {
+    public List<String> reviseSteps(IOrderMain model) {
         if (Steps.SubmitOrder.Activity.equals(model.currentActivity())) {
             if (model.currentStep().equals(Steps.SubmitOrder.BasicStep)) {
                 List<String> subsequentSteps = new ArrayList<>();
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/SerializableIsolationExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/SerializableIsolationExt.java
index ee8a856..4c8de1b 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/SerializableIsolationExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/hair/SerializableIsolationExt.java
@@ -3,7 +3,7 @@
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.pattern.HairPattern;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 
 import javax.validation.constraints.NotNull;
@@ -13,7 +13,7 @@
 public class SerializableIsolationExt implements ISerializableIsolationExt {
 
     @Override
-    public LockEntry createLockEntry(@NotNull IOrderModel model) {
+    public LockEntry createLockEntry(@NotNull IOrderMain model) {
         return new LockEntry(model.customerProvidedOrderNo(), 1, TimeUnit.HOURS);
     }
 }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/AssignOrderNoExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/AssignOrderNoExt.java
index b2a02f0..6e588f1 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/AssignOrderNoExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/AssignOrderNoExt.java
@@ -3,7 +3,7 @@
 import org.example.cp.oms.pattern.HomeAppliancePattern;
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.spec.ext.IAssignOrderNoExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -12,7 +12,7 @@ public class AssignOrderNoExt implements IAssignOrderNoExt {
     public static final String HOME_ORDER_NO = "SO9987012";
 
     @Override
-    public void assignOrderNo(@NotNull IOrderModel model) {
+    public void assignOrderNo(@NotNull IOrderMain model) {
         model.assignOrderNo(this, HOME_ORDER_NO);
     }
 }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/PresortExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/PresortExt.java
index 91f423c..40225c0 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/PresortExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/PresortExt.java
@@ -4,7 +4,7 @@
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.pattern.HomeAppliancePattern;
 import org.example.cp.oms.spec.ext.IPresortExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 
 import javax.validation.constraints.NotNull;
 
@@ -13,7 +13,7 @@
 public class PresortExt implements IPresortExt {
 
     @Override
-    public void presort(@NotNull IOrderModel model) {
+    public void presort(@NotNull IOrderMain model) {
         log.info("家电的预分拣执行了");
     }
 }
diff --git a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/SerializableIsolationExt.java b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/SerializableIsolationExt.java
index ee37f4a..7ae45a5 100644
--- a/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/SerializableIsolationExt.java
+++ b/order-center-pattern/src/main/java/org/example/cp/oms/pattern/extension/home_appliance/SerializableIsolationExt.java
@@ -3,7 +3,7 @@
 import io.github.dddplus.annotation.Extension;
 import org.example.cp.oms.pattern.HomeAppliancePattern;
 import org.example.cp.oms.spec.ext.ISerializableIsolationExt;
-import org.example.cp.oms.spec.model.IOrderModel;
+import org.example.cp.oms.spec.model.IOrderMain;
 import org.example.cp.oms.spec.model.vo.LockEntry;
 
 import javax.validation.constraints.NotNull;
@@ -13,7 +13,7 @@
 public class SerializableIsolationExt implements ISerializableIsolationExt {
 
     @Override
-    public LockEntry createLockEntry(@NotNull IOrderModel model) {
+    public LockEntry createLockEntry(@NotNull IOrderMain model) {
         return new LockEntry(model.customerProvidedOrderNo(), 5, TimeUnit.MINUTES);
     }
 }