diff --git a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
index 07813d5..64390e7 100644
--- a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
+++ b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
@@ -457,6 +457,28 @@ bool nmDataAnalyzeManager::removeWell(nmDataWellBase* pWellData)
     if(pWellData == nullptr) {
         return false;
     }
+    
+    const QString removedWellName = pWellData->getWellName();
+    const bool isCurrentWell = (m_pCurDataWell == pWellData);
+
+    // 删除井对象前，先移除仍然引用这口井的状态。
+    for(int i = m_vecCalculationWells.size() - 1; i >= 0; --i) {
+        if(m_vecCalculationWells[i].second == removedWellName) {
+            m_vecCalculationWells.remove(i);
+        }
+    }
+
+    // 如果删的是当前井，切换到其他有效井；如果没有，则清空当前井指针。
+    if(isCurrentWell) {
+        m_pCurDataWell = nullptr;
+        for(int i = 0; i < m_vWellData.size(); ++i) {
+            nmDataWellBase* pCandidate = m_vWellData[i];
+            if(pCandidate != nullptr && pCandidate != pWellData) {
+                m_pCurDataWell = pCandidate;
+                break;
+            }
+        }
+    }
 
     // 遍历 m_vWellData，找到并移除指定的井对象
     for(auto it = m_vWellData.begin(); it != m_vWellData.end(); ++it) {
diff --git a/Src/nmNum/nmSubWxs/nmWxNumericalDesign.cpp b/Src/nmNum/nmSubWxs/nmWxNumericalDesign.cpp
index d82ecf3..45d4365 100644
--- a/Src/nmNum/nmSubWxs/nmWxNumericalDesign.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxNumericalDesign.cpp
@@ -200,6 +200,11 @@ void nmWxNumericalDesign::fillResultWellCombo(const QString& selectedWellName)
         }
     }
 
+// 当前井可能已经被删除；如果它已不在结果井下拉框中，就清空这个失效井名。
+    if(!sCurrentWellName.isEmpty() && m_pResultWellCombo->findText(sCurrentWellName) < 0) {
+        sCurrentWellName.clear();
+    }
+
     // 未计算时没有结果井列表，先显示当前井，避免下拉框空白。
     if(m_pResultWellCombo->count() == 0 && !sCurrentWellName.isEmpty()) {
         m_pResultWellCombo->addItem(sCurrentWellName);