diff --git a/cf-module-prod-plan/cf-module-prod-plan-biz/src/main/java/com/cf/imes/module/plan/service/orderImport/factory/WebCadOrderImportFactory.java b/cf-module-prod-plan/cf-module-prod-plan-biz/src/main/java/com/cf/imes/module/plan/service/orderImport/factory/WebCadOrderImportFactory.java
index e06918ac5..48047490a 100644
--- a/cf-module-prod-plan/cf-module-prod-plan-biz/src/main/java/com/cf/imes/module/plan/service/orderImport/factory/WebCadOrderImportFactory.java
+++ b/cf-module-prod-plan/cf-module-prod-plan-biz/src/main/java/com/cf/imes/module/plan/service/orderImport/factory/WebCadOrderImportFactory.java
@@ -1497,9 +1497,14 @@ public class WebCadOrderImportFactory {
             if (ObjectUtil.isNotNull(componentDO)) {
                 plateComponentId = componentDO.getId();
 
-                componentDO.setBodyId(orderBodyDO.getId());
-                componentDO.setRoomName(orderBodyDO.getRoomName());
-                componentDO.setBodyName(orderBodyDO.getName());
+                // 三项都未赋值时，首次绑定所属柜体；后续 block 不覆盖
+                if (componentDO.getBodyId() == null
+                        && componentDO.getRoomName() == null
+                        && componentDO.getBodyName() == null) {
+                    componentDO.setBodyId(orderBodyDO.getId());
+                    componentDO.setRoomName(orderBodyDO.getRoomName());
+                    componentDO.setBodyName(orderBodyDO.getName());
+                }
             }
         }
 
@@ -1742,6 +1747,15 @@ public class WebCadOrderImportFactory {
             OrderComponentDO componentDO = componentGroupMap.get(cadGroupId);
             if (ObjectUtil.isNotNull(componentDO)) {
                 partComponentIds.add(componentDO.getId());
+
+                // 三项都未赋值时，首次绑定所属柜体；后续 block 不覆盖
+                if (componentDO.getBodyId() == null
+                        && componentDO.getRoomName() == null
+                        && componentDO.getBodyName() == null) {
+                    componentDO.setBodyId(orderBodyDO.getId());
+                    componentDO.setRoomName(orderBodyDO.getRoomName());
+                    componentDO.setBodyName(orderBodyDO.getName());
+                }
             }
         }