diff --git a/src/main/java/com/yem/wm/sys/opplugin/op/NewVersionOp.java b/src/main/java/com/yem/wm/sys/opplugin/op/NewVersionOp.java
index b22d8f10..74ffc2ff 100644
--- a/src/main/java/com/yem/wm/sys/opplugin/op/NewVersionOp.java
+++ b/src/main/java/com/yem/wm/sys/opplugin/op/NewVersionOp.java
@@ -443,15 +443,26 @@ public class NewVersionOp extends AbstractOperationServicePlugIn {
      * @param operationKey
      */
     private void effectNewVersion(DynamicObject dataEntity, String operationKey) {
+        Map<String, Object> getsignbackerid = new HashMap<>();
         DynamicObject tplObj = (DynamicObject) validateMsg.get("tplObj");
         String entityNumber = dataEntity.getDynamicObjectType().getName();
         boolean yem_changebill = entityNumber.equals(tplObj.getString("yem_changebill.number"));
         //检测是否是方案配置的生效操作
         String effectOption = tplObj.getString("yem_effectoption");
         if (operationKey.equals(effectOption) && yem_changebill) {
+            if (entityNumber.equals("yem_es_xsalesorder")) {
+                getsignbackerid = getsignbackerid(tplObj, dataEntity);
+            }
             NewVersionHelper.effectChange(tplObj, dataEntity);
             if (entityNumber.equals("yem_es_xsalesorder")) {
+                //同步变更单附件至源单
                 effectVersion(dataEntity, "");
+                //更新回签人至源单
+                if (getsignbackerid.size() > 0) {
+                    DynamicObject oldDataEntity = BusinessDataServiceHelper.loadSingle(getsignbackerid.get("masterid"), "yem_es_salesorder");
+                    oldDataEntity.set("yem_signbackerid", getsignbackerid.get("yem_signbackerid"));
+                    SaveServiceHelper.update(oldDataEntity);
+                }
             }
         }
     }
@@ -499,4 +510,19 @@ public class NewVersionOp extends AbstractOperationServicePlugIn {
             }
         }
     }
+
+    private Map<String, Object> getsignbackerid(DynamicObject tplObj, DynamicObject dataEntity) {
+        Map<String, Object> map = new HashMap<>();
+        String entityNumber = dataEntity.getDynamicObjectType().getName();
+        String yem_requirebill = tplObj.getString("yem_requirebill.number");
+        String yem_changebill = tplObj.getString("yem_changebill.number");
+        dataEntity = BusinessDataServiceHelper.loadSingle(dataEntity.getPkValue(), yem_changebill);
+        long masterid = dataEntity.getLong("yem_masterid");
+        if (masterid > 0 && entityNumber.equals(yem_changebill)) {
+            DynamicObject oldDataEntity = BusinessDataServiceHelper.loadSingle(masterid, yem_requirebill);
+            map.put("yem_signbackerid", oldDataEntity.getDynamicObject("yem_signbackerid"));
+            map.put("masterid", masterid);
+        }
+        return map;
+    }
 }