diff --git a/Include/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.h b/Include/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.h
index c76658d..32fed00 100644
--- a/Include/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.h
+++ b/Include/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.h
@@ -81,7 +81,7 @@ private slots:
     /** @brief 根据各页面状态更新确定按钮。 */
     void slotPageValidityChanged(bool bValid);
 
-    /** @brief 进入当前界面的上下文帮助模式。 */
+    /** @brief 打开系统帮助文档。 */
     void slotHelp();
 
 private:
diff --git a/Src/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.cpp b/Src/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.cpp
index baee7d4..2beb682 100644
--- a/Src/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxReservoirPropertiesEditor.cpp
@@ -22,7 +22,6 @@
 #include <QStackedWidget>
 #include <QToolButton>
 #include <QVBoxLayout>
-#include <QWhatsThis>
 
 nmWxReservoirPropertiesEditor::nmWxReservoirPropertiesEditor(
         nmIReservoirPropertiesDataSource* pDataSource,
@@ -434,8 +433,8 @@ void nmWxReservoirPropertiesEditor::slotPageValidityChanged(bool bValid)
 
 void nmWxReservoirPropertiesEditor::slotHelp()
 {
-    // 顶部和底部帮助命令共用Qt上下文帮助；字段说明和范围来自XML。
-    QWhatsThis::enterWhatsThisMode();
+    // 顶部和底部帮助命令统一打开系统帮助文档。
+    ZxBaseUtil::startHelp();
 }
 
 bool nmWxReservoirPropertiesEditor::validateAllPages()