diff --git a/Include/nmNum/nmGUI/nmGridRowUtils.h b/Include/nmNum/nmGUI/nmGridRowUtils.h
index 9b91cc3..6db49ee 100644
--- a/Include/nmNum/nmGUI/nmGridRowUtils.h
+++ b/Include/nmNum/nmGUI/nmGridRowUtils.h
@@ -156,7 +156,7 @@ protected:
     virtual void connectSignalsOf(iGridRowItem* p) override;
 
     /// @brief 参数项创建完成后的绑定处理（如产液段与有效长度的关联）
-    virtual void bindItems() override;
+    virtual void dealwithItemBinds() override;
 
     // ================================================================
     // 多井分组内部方法
@@ -183,9 +183,20 @@ public slots:
     /// @param bOk   是否成功获取
     virtual void slotGetValueOf(QString sPara, QVariant& o, bool& bOk) override;
 
+private slots:
+
+    /// @brief 单位换算完成后，使用最新基准值重新提交参数
+    void slotUnitEditorEditingFinished();
+
 private:
 
+    /// @brief 连接所有带单位输入框的最终提交信号
+    void connectUnitEditorCommitSignals();
+
     /// @brief 井名映射（wellCode → 显示名）
     QMap<QString, QString> m_mapWellNames;
 
+    /// @brief 输入框与对应单位参数项的映射
+    QMap<QLineEdit*, iGridRowItemUnt*> m_mapUnitEditorItems;
+
 };
diff --git a/Src/nmNum/nmGUI/nmGridRowUtils.cpp b/Src/nmNum/nmGUI/nmGridRowUtils.cpp
index a959903..22df202 100644
--- a/Src/nmNum/nmGUI/nmGridRowUtils.cpp
+++ b/Src/nmNum/nmGUI/nmGridRowUtils.cpp
@@ -2,6 +2,7 @@
 #include "iGridRowGroup.h"
 #include "iParameter.h"
 #include "iSysParaHelper.h"
+#include <QLineEdit>
 
 // 井编码可能互为前缀，拆分参数时必须优先匹配更长的编码。
 static bool longerStringFirst(const QString& a, const QString& b)
@@ -93,7 +94,7 @@ bool nmGridRowUtils::buildRowUtils(QStringList listParas,
 
         // 对象分组追加完成后，重新备份、绑定、计算布局。
         bkAllItems();
-        bindItems();
+        dealwithItemBinds();
 
         double h = getUtilHeight();
         QRectF rt = QRectF(0, 0, 300, h);
@@ -101,6 +102,8 @@ bool nmGridRowUtils::buildRowUtils(QStringList listParas,
         setMinimumHeight(h);
     }
 
+    connectUnitEditorCommitSignals();
+
     return true;
 }
 
@@ -269,9 +272,47 @@ void nmGridRowUtils::connectSignalsOf(iGridRowItem* p)
     iGridRowUtils::connectSignalsOf(p);
 }
 
-void nmGridRowUtils::bindItems()
+void nmGridRowUtils::dealwithItemBinds()
+{
+    iGridRowUtils::dealwithItemBinds();
+}
+
+void nmGridRowUtils::connectUnitEditorCommitSignals()
 {
-    iGridRowUtils::bindItems();
+    foreach (iGridRowItem* pItem, m_vecAllItems)
+    {
+        iGridRowItemUnt* pUnitItem = qobject_cast<iGridRowItemUnt*>(pItem);
+        if (pUnitItem == nullptr)
+        {
+            continue;
+        }
+
+        QLineEdit* pEditor = qobject_cast<QLineEdit*>(pUnitItem->getMainEditor());
+        if (pEditor == nullptr || m_mapUnitEditorItems.contains(pEditor))
+        {
+            continue;
+        }
+
+        m_mapUnitEditorItems.insert(pEditor, pUnitItem);
+        connect(pEditor, SIGNAL(editingFinished()),
+                this, SLOT(slotUnitEditorEditingFinished()),
+                Qt::QueuedConnection);
+    }
+}
+
+void nmGridRowUtils::slotUnitEditorEditingFinished()
+{
+    QLineEdit* pEditor = qobject_cast<QLineEdit*>(sender());
+    iGridRowItemUnt* pUnitItem = m_mapUnitEditorItems.value(pEditor, nullptr);
+    if (pEditor == nullptr || pUnitItem == nullptr)
+    {
+        return;
+    }
+
+    // Binder在editingFinished中更新基准值；排队到其后再走参数项原有提交通道。
+    QMetaObject::invokeMethod(pUnitItem, "slotItemValueChanged",
+                              Qt::DirectConnection,
+                              Q_ARG(QString, pEditor->text()));
 }
 
 // ================================================================