diff --git a/yem-base/yem-base-common/src/main/java/yem/base/common/module/attach/form/PDFMergeFormPlugin.java b/yem-base/yem-base-common/src/main/java/yem/base/common/module/attach/form/PDFMergeFormPlugin.java
new file mode 100644
index 0000000..5012ad5
--- /dev/null
+++ b/yem-base/yem-base-common/src/main/java/yem/base/common/module/attach/form/PDFMergeFormPlugin.java
@@ -0,0 +1,97 @@
+package yem.base.common.module.attach.form;
+
+import kd.bos.bill.AbstractBillPlugIn;
+import kd.bos.bill.OperationStatus;
+import kd.bos.dataentity.resource.ResManager;
+import kd.bos.entity.operate.result.OperationResult;
+import kd.bos.form.CloseCallBack;
+import kd.bos.form.FormShowParameter;
+import kd.bos.form.ShowType;
+import kd.bos.form.control.Control;
+import kd.bos.form.events.AfterDoOperationEventArgs;
+import kd.bos.form.events.ClosedCallBackEvent;
+import kd.sdk.plugin.Plugin;
+import yem.base.common.utils.YEM;
+
+import java.util.EventObject;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 单据界面插件
+ */
+public class PDFMergeFormPlugin extends AbstractBillPlugIn implements Plugin {
+
+
+    @Override
+    public void registerListener(EventObject e) {
+        super.registerListener(e);
+        Control control = this.getView().getControl("yem_pdf_merge");
+        if (control != null){
+            this.addClickListeners("yem_pdf_merge");
+        }
+
+    }
+
+    @Override
+    public void click(EventObject evt) {
+        super.click(evt);
+        Control source = (Control) evt.getSource();
+        String key = source.getKey();
+        if ("yem_pdf_merge".equals(key)){
+            FormShowParameter showParameter = new FormShowParameter();
+            showParameter.setStatus(OperationStatus.ADDNEW);
+            showParameter.getOpenStyle().setShowType(ShowType.Modal);
+            showParameter.setFormId("yem_base_pdfmerge");
+            Map<String, Object> map = new HashMap<>();
+            map.put("srcAttachKey", "attachmentpanel");
+            map.put("targetAttachKey", "signattachment");
+            showParameter.setCustomParams(map);
+            showParameter.setCloseCallBack(new CloseCallBack(this.getClass().getName(),"yem_base_pdfmerge"));
+            this.getView().showForm(showParameter);
+        }
+    }
+
+
+    @Override
+    public void afterDoOperation(AfterDoOperationEventArgs e) {
+        super.afterDoOperation(e);
+        String operateKey = e.getOperateKey();
+        OperationResult operationResult = e.getOperationResult();
+        if (!operationResult.isSuccess())return;
+        switch(operateKey){
+            case "filemerge":// 附件合并
+                showFileMergePage();
+                break;
+            default :
+                break;
+        }
+    }
+
+    // 打开附件合并界面
+    private void showFileMergePage(){
+        FormShowParameter showParameter = new FormShowParameter();
+        showParameter.setStatus(OperationStatus.ADDNEW);
+        showParameter.getOpenStyle().setShowType(ShowType.Modal);
+        showParameter.setFormId("yem_base_pdfmerge");
+        showParameter.setCloseCallBack(new CloseCallBack(this.getClass().getName(),"yem_base_pdfmerge"));
+        this.getView().showForm(showParameter);
+    }
+
+
+    @Override
+    public void closedCallBack(ClosedCallBackEvent e) {
+        super.closedCallBack(e);
+        String actionId = e.getActionId();
+        if ("yem_base_pdfmerge".equals(actionId)) {
+            // 返回目标附件面板key
+            String returnData = (String) e.getReturnData();
+            if (!YEM.isEmpty(returnData)){
+                // 刷新附件面板
+                this.getView().updateView(returnData);
+                this.getView().showSuccessNotification(ResManager.loadKDString("合并PDF文件成功！", "PDFMergeFormPlugin_0", "yem-base"));
+            }
+        }
+    }
+
+}
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