diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/TotaltaxValidationBillPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/TotaltaxValidationBillPlugin.java
new file mode 100644
index 0000000..895cef3
--- /dev/null
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/TotaltaxValidationBillPlugin.java
@@ -0,0 +1,38 @@
+package zcgj.zcdev.zcdev.pr.plugin.form;
+
+import kd.bos.bill.AbstractBillPlugIn;
+import kd.bos.dataentity.entity.DynamicObject;
+import kd.bos.dataentity.entity.DynamicObjectCollection;
+import kd.bos.entity.datamodel.events.ChangeData;
+import kd.bos.entity.datamodel.events.PropertyChangedArgs;
+import kd.sdk.plugin.Plugin;
+
+import java.math.BigDecimal;
+
+public class TotaltaxValidationBillPlugin extends AbstractBillPlugIn implements Plugin {
+    @Override
+    public void propertyChanged(PropertyChangedArgs e) {
+        super.propertyChanged(e);
+        String name = e.getProperty().getName();
+        if (name.equals("totaltax")) {
+            ChangeData changeData = e.getChangeSet()[0];
+            BigDecimal newTotaltax = (BigDecimal) changeData.getNewValue();
+
+            //获取单据体当前税额值，进行累加
+            BigDecimal totaltax1 = new BigDecimal(0);
+            DynamicObjectCollection listmodelentry = this.getModel().getEntryEntity("listmodelentry");
+            for (DynamicObject dy : listmodelentry) {
+                DynamicObjectCollection dyEntrys = dy.getDynamicObjectCollection("listentry");
+                for (DynamicObject dyEntry : dyEntrys) {
+                    BigDecimal thistax = dyEntry.getBigDecimal("thistax");
+                    totaltax1 = totaltax1.add(thistax);
+                }
+            }
+            //如果不相等，将算出来的值赋给tataltax
+            if (!totaltax1.equals(newTotaltax)) {
+                this.getModel().setValue("totaltax", totaltax1);
+            }
+        }
+
+    }
+}