diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleBillPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleBillPlugin.java
index 7f41b2a..f07ff26 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleBillPlugin.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleBillPlugin.java
@@ -22,7 +22,7 @@ import java.util.Date;
  * 单据界面插件
  * 合同结算公共插件插件
  */
-public class ContractSettleBillPlugin extends ContractSettleCommonEditPluginExt{
+public class ContractSettleBillPlugin extends ContractSettleCommonEditPlugin{
 
     @Override
     protected void setDateEditMinAndMaxDate() {
@@ -81,9 +81,9 @@ public class ContractSettleBillPlugin extends ContractSettleCommonEditPluginExt{
             }else if (StringUtils.equals(name, "zcgj_adjustmounttax")) {
                 //this.adjustAmountTax(changeData);
             }
-        } else {
+        }/* else {
             this.setDateEditMinAndMaxDate();
-        }
+        }*/
 
     }
 
diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleCommonEditPluginExt.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleCommonEditPluginExt.java
index 73a0474..711ea5a 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleCommonEditPluginExt.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/plugin/form/ContractSettleCommonEditPluginExt.java
@@ -289,13 +289,12 @@ public class ContractSettleCommonEditPluginExt extends AbstractContBillPlugin im
         for(int var7 = 0; var7 < var6; ++var7) {
             int rowIndex = var5[var7];
             itemPayItem = this.getModel().getEntryRowEntity("payitemdetailentry", rowIndex);
-            detailunitproject = itemPayItem.getDynamicObject("detailpayitem");
-            if (detailunitproject != null) {
-                DynamicObject detailunitproject1 = (DynamicObject)itemPayItem.get("detailunitproject");//二开修改
-                String mapKey = (detailunitproject1 != null ? detailunitproject1.getString("id") : "")
-                        + "," + (detailunitproject1 != null ? detailunitproject1.getString("id") : "");//二开修改
-//                DynamicObject detailunitproject = (DynamicObject)itemPayItem.get("detailunitproject");//系统标准
-//                String mapKey = detailunitproject.getString("id") + "," + (detailunitproject != null ? detailunitproject.getString("id") : "");//系统标准
+            DynamicObject detailpayitem = itemPayItem.getDynamicObject("detailpayitem");
+            if (detailpayitem != null) {
+                // 修复：正确获取detailunitproject并生成mapKey
+                DynamicObject detailunitproject1 = (DynamicObject)itemPayItem.get("detailunitproject");
+                String mapKey = detailpayitem.getString("id") + "," + (detailunitproject1 != null ? detailunitproject1.getString("id") : "");
+
                 itemOfTaxAmt = (BigDecimal)ofTaxMap.getOrDefault(mapKey, BigDecimal.ZERO);
                 itemOfTaxAmt = itemOfTaxAmt.add(itemPayItem.getBigDecimal("detailoftaxamt") == null ? BigDecimal.ZERO : itemPayItem.getBigDecimal("detailoftaxamt"));
                 ofTaxMap.put(mapKey, itemOfTaxAmt);
@@ -324,9 +323,13 @@ public class ContractSettleCommonEditPluginExt extends AbstractContBillPlugin im
                     }
 
                     itemEntry = (DynamicObject)iterator.next();
-                    itemPayItem = itemEntry.getDynamicObject("payitem");
+/*                    itemPayItem = itemEntry.getDynamicObject("payitem");
                     detailunitproject = (DynamicObject)itemEntry.get("itemunitproject");
-                    uniquekey = itemPayItem.getString("id") + "," + (detailunitproject != null ? detailunitproject.getString("id") : "");
+                    uniquekey = itemPayItem.getString("id") + "," + (detailunitproject != null ? detailunitproject.getString("id") : "");*///系统源码
+                    itemPayItem = itemEntry.getDynamicObject("payitem");//合同支付项-名称
+                    DynamicObject itemunitproject = (DynamicObject)itemEntry.get("itemunitproject");//合同支付项-单位工程
+                    // 修复：正确生成uniquekey以匹配mapKey
+                    uniquekey = itemPayItem.getString("id") + "," + (itemunitproject != null ? itemunitproject.getString("id") : "");//二开修改
                 } while(!ofTaxMap.containsKey(uniquekey));
 
                 BigDecimal itemDetailOfTaxAmt = (BigDecimal)ofTaxMap.getOrDefault(uniquekey, BigDecimal.ZERO);