diff --git a/Include/nmNum/nmSubWxs/nmReservoirParameterField.h b/Include/nmNum/nmSubWxs/nmReservoirParameterField.h
index d1d67a2..7669d9f 100644
--- a/Include/nmNum/nmSubWxs/nmReservoirParameterField.h
+++ b/Include/nmNum/nmSubWxs/nmReservoirParameterField.h
@@ -3,6 +3,7 @@
 #include "nmSubWxs_global.h"
 #include "nmReservoirParameterCatalog.h"
 
+#include <QColor>
 #include <QObject>
 #include <QVariant>
 
@@ -157,6 +158,7 @@ private:
     QComboBox* m_pValueComboBox;                 ///< 枚举值下拉框。
     QComboBox* m_pUnitComboBox;                  ///< 可换算单位下拉框。
     QLabel* m_pUnitLabel;                        ///< 无单位字段的空白对齐占位。
+    QColor m_clrNormalText;                      ///< 输入框默认文字颜色。
     bool m_bVisible;                             ///< 参数行是否参与编辑。
     bool m_bUpdating;                            ///< 程序写值时阻止业务信号。
 };
diff --git a/Src/nmNum/nmSubWxs/nmReservoirParameterField.cpp b/Src/nmNum/nmSubWxs/nmReservoirParameterField.cpp
index 6e80ce8..e82e0ba 100644
--- a/Src/nmNum/nmSubWxs/nmReservoirParameterField.cpp
+++ b/Src/nmNum/nmSubWxs/nmReservoirParameterField.cpp
@@ -10,6 +10,7 @@
 #include <QGridLayout>
 #include <QLabel>
 #include <QLineEdit>
+#include <QPalette>
 #include <QSizePolicy>
 
 namespace
@@ -31,6 +32,24 @@ QString fieldText(const char* pText)
             "nmReservoirParameterField", pText);
 }
 
+/** @brief 根据有效状态生成悬浮提示文字。 */
+QString validationToolTip(const QString& sText, bool bValid)
+{
+    if (bValid)
+    {
+        return sText;
+    }
+
+    QString sEscaped = sText;
+    sEscaped.replace("&", "&amp;");
+    sEscaped.replace("<", "&lt;");
+    sEscaped.replace(">", "&gt;");
+    sEscaped.replace("\"", "&quot;");
+    sEscaped.replace("\n", "<br/>");
+    return "<span style=\"color:red;\">" +
+            sEscaped + "</span>";
+}
+
 }
 
 nmReservoirParameterField::nmReservoirParameterField(
@@ -46,6 +65,7 @@ nmReservoirParameterField::nmReservoirParameterField(
       m_pValueComboBox(nullptr),
       m_pUnitComboBox(nullptr),
       m_pUnitLabel(nullptr),
+      m_clrNormalText(),
       m_bVisible(true),
       m_bUpdating(false)
 {
@@ -149,6 +169,7 @@ bool nmReservoirParameterField::createNumericEditor(
                             QSizePolicy::Fixed);
 
     m_pLineEdit = new QLineEdit(pParentWidget);
+    m_clrNormalText = m_pLineEdit->palette().color(QPalette::Text);
     m_pLineEdit->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
     m_pLineEdit->setFixedHeight(editorHeight());
     m_pLineEdit->setMinimumWidth(editorMinimumWidth());
@@ -399,12 +420,17 @@ QString nmReservoirParameterField::formatBaseValue(double dValue) const
 
 void nmReservoirParameterField::updateValidationAppearance(bool bValid)
 {
-    Q_UNUSED(bValid);
     if (m_pLineEdit == nullptr || m_pParameter == nullptr)
     {
         return;
     }
 
+    // 只修改文字色，避免Qt 4.8样式表绘制覆盖原生输入框边框。
+    QPalette oPalette = m_pLineEdit->palette();
+    oPalette.setColor(QPalette::Text,
+                      bValid ? m_clrNormalText : QColor(Qt::red));
+    m_pLineEdit->setPalette(oPalette);
+
     QString sCurrentUnit;
     iUnitGroup* pUnitGroup = nullptr;
     if (m_pUnitComboBox != nullptr && m_pUnitService != nullptr)
@@ -414,7 +440,19 @@ void nmReservoirParameterField::updateValidationAppearance(bool bValid)
     }
     QString sRange = iParaItemCtrl::getScaleStrOf(
             m_pParameter, sCurrentUnit, pUnitGroup);
-    QString sHelp = m_pParameter->m_sDesc;
+    // 参数别名来自当前语言XML，稳定ID便于定位参数定义。
+    QString sHelp = m_pParameter->m_sAlias;
+    if (!m_pParameter->m_sName.isEmpty())
+    {
+        if (!sHelp.isEmpty())
+        {
+            sHelp += "[" + m_pParameter->m_sName + "]";
+        }
+        else
+        {
+            sHelp = m_pParameter->m_sName;
+        }
+    }
     if (!sRange.isEmpty())
     {
         if (!sHelp.isEmpty())
@@ -423,7 +461,7 @@ void nmReservoirParameterField::updateValidationAppearance(bool bValid)
         }
         sHelp += sRange;
     }
-    m_pLineEdit->setToolTip(sHelp);
+    m_pLineEdit->setToolTip(validationToolTip(sHelp, bValid));
     m_pLineEdit->setWhatsThis(sHelp);
     if (m_pLabel != nullptr)
     {