diff --git a/Src/nmNum/nmSubWxs/nmWxTimeDependentSkin.cpp b/Src/nmNum/nmSubWxs/nmWxTimeDependentSkin.cpp
index b2cd474d..98dab9cd 100644
--- a/Src/nmNum/nmSubWxs/nmWxTimeDependentSkin.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxTimeDependentSkin.cpp
@@ -273,6 +273,8 @@ void nmWxTimeDependentSkin::initUI()
     createButton(m_pRemoveBtn, appDir + "/Res/Icon/nmTimeDepSkin3.png", tr("Remove"));
     createButton(m_pSplitStepsBtn, appDir + "/Res/Icon/nmTimeDepSkin4.png", tr("Split Steps"));
     createButton(m_pComputeBtn, appDir + "/Res/Icon/nmTimeDepSkin5.png", tr("Compute"));
+    // 计算功能尚未实现，隐藏图标和文字容器，让射孔封堵前移到该位置。
+    m_pComputeBtn->parentWidget()->hide();
     createButton(m_pPerforationClosingBtn, appDir + "/Res/Icon/nmTimeDepSkin6.png", tr("Perforation Closing"));
 
     m_pToolbarLayout->addStretch();
@@ -1218,8 +1220,9 @@ void nmWxTimeDependentSkin::restoreToolbarState()
         m_pSplitStepsBtn->parentWidget()->setVisible(true);
     }
 
+    // 切回默认界面时仍保持计算入口隐藏。
     if(m_pComputeBtn && m_pComputeBtn->parentWidget()) {
-        m_pComputeBtn->parentWidget()->setVisible(true);
+        m_pComputeBtn->parentWidget()->setVisible(false);
     }
 
     if(m_pPerforationClosingBtn && m_pPerforationClosingBtn->parentWidget()) {