diff --git a/shkd-cosmic-debug/src/main/java/shkd/fi/er/plugin/formplugin/ContractbillFromPlugin.java b/shkd-cosmic-debug/src/main/java/shkd/fi/er/plugin/formplugin/ContractbillFromPlugin.java
new file mode 100644
index 0000000..0c77b4c
--- /dev/null
+++ b/shkd-cosmic-debug/src/main/java/shkd/fi/er/plugin/formplugin/ContractbillFromPlugin.java
@@ -0,0 +1,59 @@
+package shkd.fi.er.plugin.formplugin;
+
+import kd.bos.dataentity.entity.DynamicObject;
+import kd.bos.dataentity.metadata.IDataEntityProperty;
+import kd.bos.entity.datamodel.IDataModel;
+import kd.bos.entity.datamodel.events.ChangeData;
+import kd.bos.entity.datamodel.events.PropertyChangedArgs;
+import kd.bos.form.plugin.AbstractFormPlugin;
+
+import java.util.EventObject;
+
+/**
+ * @projectName: shkd-cosmic-root-project
+ * @package: shkd.fi.er.plugin.opplugin
+ * @className: ContractbillFromPlugin
+ * @author: wenyx
+ * @description: TODO
+ * @date: 2024/5/27 16:09
+ * @version: 1.0
+ */
+public class ContractbillFromPlugin extends AbstractFormPlugin {
+
+    @Override
+    public void afterCreateNewData(EventObject e) {
+        super.afterCreateNewData(e);
+        IDataModel model = this.getModel();
+
+
+    }
+
+    @Override
+    public void afterBindData(EventObject e) {
+        super.afterBindData(e);
+        IDataModel model = this.getModel();
+        DynamicObject dataEntity = model.getDataEntity();
+        String billno = dataEntity.getString("billno");
+        String contractcode = dataEntity.getString("contractcode");
+        if(contractcode.isEmpty()){
+            model.setValue("contractcode",billno);
+        }
+
+    }
+
+    @Override
+    public void propertyChanged(PropertyChangedArgs e) {
+        super.propertyChanged(e);
+        IDataModel model = this.getModel();
+        String name = e.getProperty().getName();
+        ChangeData[] changeSet = e.getChangeSet();
+        ChangeData changeData = changeSet[0];
+
+
+        switch (name){
+            case "contractparty" :
+                DynamicObject newValue = (DynamicObject)changeData.getNewValue();
+                this.getModel().setValue("costcompany",newValue);
+        }
+    }
+}