diff --git a/view-object-model/src/main/java/com/inspur/edp/formserver/viewmodel/common/ConvertVoUtils.java b/view-object-model/src/main/java/com/inspur/edp/formserver/viewmodel/common/ConvertVoUtils.java
index e79c0cd0f117e878f549e9cbeba00b188410cd47..6864c4e4521820080471d4662fe8a1ba898d9635 100644
--- a/view-object-model/src/main/java/com/inspur/edp/formserver/viewmodel/common/ConvertVoUtils.java
+++ b/view-object-model/src/main/java/com/inspur/edp/formserver/viewmodel/common/ConvertVoUtils.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.inspur.edp.formserver.viewmodel.common;
 
 import com.inspur.edp.bef.bizentity.GspBizEntityObject;
@@ -12,6 +28,7 @@ import com.inspur.edp.formserver.viewmodel.GspViewObject;
 import com.inspur.edp.formserver.viewmodel.collection.ViewObjectCollection;
 import com.inspur.edp.formserver.viewmodel.common.mapping.GspVoElementSourceType;
 import com.inspur.edp.formserver.viewmodel.common.mapping.GspVoObjectSourceType;
+import io.iec.edp.caf.commons.utils.CollectionUtils;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -39,7 +56,7 @@ public class ConvertVoUtils {
         utils.linkActions(model);
     }
 
-    public static void dealObject(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
+    private static void dealObject(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
         dealObjectBasicInfo(bizObject, viewObject);
 
         dealElements(be, bizObject, viewObject);
@@ -47,37 +64,40 @@ public class ConvertVoUtils {
         dealObjectSelfInfo(bizObject, viewObject);
         //联动中处理
 //        dealModifyChildObjects(be,bizObject,viewObject);
-        dealAddChildObjects(bizObject, viewObject);
+        dealAddChildObjects(be, bizObject, viewObject);
 
     }
 
-    public static void dealAddChildObjects(GspBizEntityObject bizObject, GspViewObject viewObject) {
-        if (bizObject == null || bizObject.getContainChildObjects() == null || bizObject.getContainChildObjects().size() == 0)
+    private static void dealAddChildObjects(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
+        if (bizObject == null || CollectionUtils.isEmpty(bizObject.getContainChildObjects()))
             return;
         GspObjectCollection beObjectCollection = bizObject.getContainChildObjects();
         for (IGspCommonObject beObj : beObjectCollection) {
-            if (isExistBizChildObject(viewObject, beObj.getID()))
+            // VO中查询对应子对象
+            GspViewObject gspViewObject = getExistBizChildObject(viewObject, beObj.getID());
+            // 若存在对应子对象, 则递归同步
+            if (gspViewObject != null) {
+                dealObject(be, (GspBizEntityObject) beObj, gspViewObject);
                 continue;
+            }
+            // 子对象不存在则新增
             IGspCommonObject newViewObject = ConvertUtils.toObject(beObj, viewObject.getMapping().getTargetMetadataPkgName(), viewObject.getMapping().getTargetMetadataId(), viewObject.getIDElement().getID(), GspVoObjectSourceType.BeObject);
             viewObject.getContainChildObjects().add(newViewObject);
         }
 
     }
 
-    public static boolean isExistedBizObject(GspBusinessEntity be, String objId) {
-        GspBizEntityObject bizObj = (GspBizEntityObject) be.getNode(node -> node.getID().equals(objId));
-        if (bizObj == null)
-            return false;
-        return true;
+    private static boolean isExistedBizObject(GspBusinessEntity be, String objId) {
+        GspBizEntityObject bizObj = be.getNode(node -> node.getID().equals(objId));
+        return bizObj != null;
     }
 
-    public static GspBizEntityObject getBizObject(GspBusinessEntity be, String objId) {
-        GspBizEntityObject bizObj = (GspBizEntityObject) be.getNode(node -> node.getID().equals(objId));
-        return bizObj;
+    private static GspBizEntityObject getBizObject(GspBusinessEntity be, String objId) {
+        return be.getNode(node -> node.getID().equals(objId));
     }
 
-    public static void dealModifyChildObjects(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
-        if (viewObject.getContainChildObjects() == null || viewObject.getContainChildObjects().size() == 0)
+    private static void dealModifyChildObjects(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
+        if (viewObject == null || CollectionUtils.isEmpty(viewObject.getContainChildObjects()))
             return;
         ViewObjectCollection childObjList = viewObject.getContainChildObjects();
         Iterator<IGspCommonObject> iterators = childObjList.iterator();
@@ -86,28 +106,29 @@ public class ConvertVoUtils {
             if (childObj.getIsVirtual()) {
                 continue;
             }
-            String beChildObjId = ((GspViewObject) childObj).getMapping().getTargetObjId();
+            String beChildObjId = childObj.getMapping().getTargetObjId();
 
             if (!isExistedBizObject(be, beChildObjId)) {
                 iterators.remove();
                 continue;
             }
             GspBizEntityObject childBizObject = getBizObject(be, beChildObjId);
-            dealObject(be, childBizObject, (GspViewObject) childObj);
+            dealObject(be, childBizObject, childObj);
         }
     }
 
-    public static void dealObjectSelfInfo(GspBizEntityObject bizObject, GspViewObject viewObject) {
+    private static void dealObjectSelfInfo(GspBizEntityObject bizObject, GspViewObject viewObject) {
     }
 
-    public static void dealElements(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
+    private static void dealElements(GspBusinessEntity be, GspBizEntityObject bizObject, GspViewObject viewObject) {
         dealBeAddElements(bizObject, viewObject);
     }
 
-    public static void dealBeAddElements(GspBizEntityObject bizObject, GspViewObject viewObject) {
-        ArrayList<IGspCommonField> bizElemens = bizObject.getContainElements().getAllItems(item -> item.getIsVirtual() == false);
-        if (bizElemens == null || bizElemens.size() == 0)
+    private static void dealBeAddElements(GspBizEntityObject bizObject, GspViewObject viewObject) {
+        ArrayList<IGspCommonField> bizElemens = bizObject.getContainElements().getAllItems(item -> !item.getIsVirtual());
+        if (CollectionUtils.isEmpty(bizElemens)) {
             return;
+        }
         for (IGspCommonField beEle : bizElemens) {
             if (isExistBizElement(viewObject, beEle.getID()))
                 continue;
@@ -118,7 +139,7 @@ public class ConvertVoUtils {
 
     }
 
-    public static boolean isExistBizElement(GspViewObject bizObject, String elementId) {
+    private static boolean isExistBizElement(GspViewObject bizObject, String elementId) {
         ArrayList<IGspCommonElement> list = bizObject.getAllElementList(false);
         for (IGspCommonElement ele : list) {
             String beIdInView = ((GspViewModelElement) ele).getMapping().getTargetElementId();
@@ -129,17 +150,17 @@ public class ConvertVoUtils {
         return false;
     }
 
-    public static boolean isExistBizChildObject(GspViewObject bizObject, String objectId) {
+    private static GspViewObject getExistBizChildObject(GspViewObject bizObject, String objectId) {
         ViewObjectCollection viewObjectCollection = bizObject.getContainChildObjects();
         for (IGspCommonObject ele : viewObjectCollection) {
             String objectIdInView = ((GspViewObject) ele).getMapping().getTargetObjId();
             if (objectId.equals(objectIdInView)) {
-                return true;
+                return (GspViewObject) ele;
             }
         }
-        return false;
+        return null;
     }
 
-    public static void dealObjectBasicInfo(GspBizEntityObject bizObject, GspViewObject viewObject) {
+    private static void dealObjectBasicInfo(GspBizEntityObject bizObject, GspViewObject viewObject) {
     }
 }