diff --git a/lc123/cloud/app/plugin/operate/sys/MaterialManualAssignOpPlugin.java b/lc123/cloud/app/plugin/operate/sys/MaterialManualAssignOpPlugin.java
index 74545f2..5373489 100644
--- a/lc123/cloud/app/plugin/operate/sys/MaterialManualAssignOpPlugin.java
+++ b/lc123/cloud/app/plugin/operate/sys/MaterialManualAssignOpPlugin.java
@@ -21,6 +21,7 @@ import kd.bos.servicehelper.basedata.BaseDataServiceHelper;
 import kd.bos.servicehelper.botp.ConvertServiceHelper;
 import kd.bos.servicehelper.operation.OperationServiceHelper;
 import kd.bos.servicehelper.operation.SaveServiceHelper;
+import kd.bos.util.StringUtils;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -63,6 +64,11 @@ public class MaterialManualAssignOpPlugin extends AbstractOperationServicePlugIn
         DynamicObject[] dataEntities1 = e.getDataEntities();
         for (DynamicObject dynamicObject : dataEntities1) {
             dynamicObject = BusinessDataServiceHelper.loadSingle(dynamicObject.getPkValue(), "bd_material");
+            String tqq9_srcnumber = dynamicObject.getString("tqq9_srcnumber");
+            if (StringUtils.isNotEmpty(tqq9_srcnumber)) {
+                return;
+            }
+
             PushArgs pushArgs = new PushArgs();
             //源单标识
             pushArgs.setSourceEntityNumber("bd_material");