diff --git a/shkd-cosmic-debug/src/main/java/shkd/fi/em/plugin/ContractBillExtList.java b/shkd-cosmic-debug/src/main/java/shkd/fi/em/plugin/ContractBillExtList.java
index 3688d04..72aefb3 100644
--- a/shkd-cosmic-debug/src/main/java/shkd/fi/em/plugin/ContractBillExtList.java
+++ b/shkd-cosmic-debug/src/main/java/shkd/fi/em/plugin/ContractBillExtList.java
@@ -25,6 +25,7 @@ import kd.bos.form.control.events.UploadEvent;
 import kd.bos.form.control.events.UploadListener;
 import kd.bos.form.events.AfterDoOperationEventArgs;
 import kd.bos.form.events.BeforeDoOperationEventArgs;
+import kd.bos.form.operate.FormOperate;
 import kd.bos.list.plugin.AbstractListPlugin;
 import kd.bos.logging.Log;
 import kd.bos.logging.LogFactory;
@@ -78,7 +79,23 @@ public class ContractBillExtList extends AbstractListPlugin implements Plugin, U
     }
 
     public void beforeDoOperation(BeforeDoOperationEventArgs args) {
-
+        FormOperate operate = (FormOperate)args.getSource();
+        // 下推预付单 or 对公报销 or 下推暂估单 检查补充附件的数量，0件的情况不允许操作
+        if("pushtoprepay".equals(operate.getOperateKey())
+                || "publicreimburse".equals(operate.getOperateKey())
+                || "pushcostestimatebill".equals(operate.getOperateKey())){
+            ListSelectedRowCollection selected = args.getListSelectedData();
+            for(ListSelectedRow row : selected) {
+                List<Map<String, Object>> temp2 = AttachmentServiceHelper.getAttachments("er_contractbill",
+                        row.getPrimaryKeyValue() + "", "shkd_attachmentpanelap");
+                if(temp2.size() == 0) {
+                    System.out.println(operate.getOperateKey());
+                    this.getView().showTipNotification("单据编号：" + row.getBillNo() + ", 请先上传归档附件。");
+                    args.setCancel(true);
+                    return;
+                }
+            }
+        }
     }
 
     @Override