diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/operate/PaymentapplyRelationalCkOp.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/operate/PaymentapplyRelationalCkOp.java
new file mode 100644
index 0000000..403292e
--- /dev/null
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/operate/PaymentapplyRelationalCkOp.java
@@ -0,0 +1,75 @@
+package zcgj.zcdev.zcdev.pr.plugin.operate;
+
+import kd.bos.context.RequestContext;
+import kd.bos.dataentity.entity.DynamicObject;
+import kd.bos.dataentity.entity.DynamicObjectCollection;
+import kd.bos.entity.ExtendedDataEntity;
+import kd.bos.entity.plugin.AbstractOperationServicePlugIn;
+import kd.bos.entity.plugin.AddValidatorsEventArgs;
+import kd.bos.entity.plugin.PreparePropertysEventArgs;
+import kd.bos.entity.validate.AbstractValidator;
+import kd.bos.servicehelper.user.UserServiceHelper;
+
+/**
+ *  付款申请单关联单据校验
+ */
+public class PaymentapplyRelationalCkOp extends AbstractOperationServicePlugIn {
+
+    @Override
+    public void onPreparePropertys(PreparePropertysEventArgs e) {
+        super.onPreparePropertys(e);
+        e.getFieldKeys().add("entryentity");//
+        e.getFieldKeys().add("zcgj_maintenance");//设备维修申请单
+        e.getFieldKeys().add("zcgj_purchaseapply");//采购申请单
+    }
+
+    @Override
+    public void onAddValidators(AddValidatorsEventArgs e) {
+        super.onAddValidators(e);
+        e.getValidators().add(new ValidatorExt());
+    }
+
+    class ValidatorExt extends AbstractValidator {
+        @Override
+        public void validate() {
+            ExtendedDataEntity[] extendedDataEntities = this.getDataEntities();
+            for (ExtendedDataEntity extendedDataEntity : extendedDataEntities) {
+                DynamicObject dataEntity = extendedDataEntity.getDataEntity();
+
+                DynamicObjectCollection entryentity = dataEntity.getDynamicObjectCollection("entryentity");
+                if(entryentity != null){
+                    boolean isshowwxsq = false;
+                    boolean isshowcgsq = false;
+                    for (DynamicObject dynamicObject : entryentity) {
+                        DynamicObject contract = dynamicObject.getDynamicObject("contract");
+                        String paymenttype = dynamicObject.getString("paymenttype");
+                        if(contract!=null){
+                            DynamicObject contracttype = contract.getDynamicObject("contracttype");
+                            System.out.println();
+                            if("PREPAYMENT".equals(paymenttype)){
+                                if("sbwbl".equals(contracttype.getString("number"))){//设备维保 sbwbl
+                                    isshowwxsq = true;
+                                }else if("ZCHLX02".equals(contracttype.getString("number"))){//物资采购 ZCHLX02
+                                    isshowcgsq = true;
+                                }
+                            }
+                        }
+                    }
+                    if(isshowwxsq){
+                        DynamicObjectCollection maintenance = dataEntity.getDynamicObjectCollection("zcgj_maintenance");
+                        if((maintenance == null || maintenance.isEmpty())){
+                            this.addFatalErrorMessage(extendedDataEntity, String.format("设备维修申请单分录不能为空！"));
+                        }
+
+                    }
+                    if(isshowcgsq){
+                        DynamicObjectCollection purchaseapply = dataEntity.getDynamicObjectCollection("zcgj_purchaseapply");
+                        if((purchaseapply == null || purchaseapply.isEmpty())){
+                            this.addFatalErrorMessage(extendedDataEntity, String.format("设备维修申请单分录不能为空！"));
+                        }
+                    }
+                }
+            }
+        }
+    }
+}