diff --git a/main/java/shkd/repc/repmd/formplugin/validators/ProjectBillSubmitValidator.java b/main/java/shkd/repc/repmd/formplugin/validators/ProjectBillSubmitValidator.java
new file mode 100644
index 0000000..1a3611f
--- /dev/null
+++ b/main/java/shkd/repc/repmd/formplugin/validators/ProjectBillSubmitValidator.java
@@ -0,0 +1,51 @@
+package shkd.repc.repmd.formplugin.validators;
+
+import kd.bos.dataentity.entity.DynamicObject;
+import kd.bos.dataentity.entity.DynamicObjectCollection;
+import kd.bos.entity.ExtendedDataEntity;
+import kd.bos.entity.validate.AbstractValidator;
+import kd.bos.form.plugin.AbstractFormPlugin;
+import kd.sdk.plugin.Plugin;
+
+import java.math.BigDecimal;
+
+/**
+ * 动态表单插件
+ */
+public class ProjectBillSubmitValidator extends AbstractValidator {
+
+    @Override
+    public void validate() {
+        ExtendedDataEntity[] dataEntities = this.getDataEntities();
+        if (dataEntities != null && dataEntities.length >= 1) {
+            for (ExtendedDataEntity dataEntity : dataEntities) {
+                if (dataEntity != null) {
+                    DynamicObject bill = dataEntity.getDataEntity();
+                    //产品构成
+                    DynamicObjectCollection productEntry = bill.getDynamicObjectCollection("productentry");
+                    if (null != productEntry && productEntry.size() != 0) {
+                        boolean hasBeenCalculated = true;
+                        for (int i = 0; i < productEntry.size(); i++) {
+                            //改建后建筑面积
+                            BigDecimal buildingArea = productEntry.get(i).getBigDecimal("productentry_buildingarea");
+                            DynamicObjectCollection collections = productEntry.get(i).getDynamicObjectCollection("qeug_subentryentity");
+                            if (null != collections && collections.size() != 0) {
+                                BigDecimal total = collections.stream()
+                                        .map(entry -> entry.getBigDecimal("qeug_jrgsbsz"))  // 获取每个条目的 BigDecimal 值
+                                        .filter(value -> value != null)  // 过滤掉空值
+                                        .reduce(BigDecimal.ZERO, BigDecimal::add);
+                                if (buildingArea.compareTo(total)!=0){
+                                    hasBeenCalculated = false;
+                                    break;
+                                }
+                            }
+                        }
+                        if (!hasBeenCalculated){
+                            this.addErrorMessage(dataEntity, "有尚未计算的【面积数据】，请点击【面积汇总】按钮！");
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
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