diff --git a/Include/nmNum/nmData/nmDataAnalyzeManager.h b/Include/nmNum/nmData/nmDataAnalyzeManager.h
index 41bff42..ab55625 100644
--- a/Include/nmNum/nmData/nmDataAnalyzeManager.h
+++ b/Include/nmNum/nmData/nmDataAnalyzeManager.h
@@ -438,8 +438,10 @@ class NM_DATA_EXPORT nmDataAnalyzeManager : public ZxDataObjectBin
         // 保存数值成果到本地
         // @param sRstCode 当前成果ID
         // @param pSubWndF 当前分析窗体
+        // @param bClearRoot 是否清空成果目录（仅在遍历保存的第一个窗口时传true，
+        //                   清理旧窗口残留；后续窗口传false避免误删其他窗口数据）
         // @return 保存成功返回 true，否则返回 false
-        bool saveNmResult(QString sRstCode, iSubWndFitting* pSubWndF);
+        bool saveNmResult(QString sRstCode, iSubWndFitting* pSubWndF, bool bClearRoot = false);
 
         // 加载本地成果到内存中
         // @param sLoadAnalDir 加载的分析目录
diff --git a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
index 883262e..5f773eb 100644
--- a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
+++ b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
@@ -3376,7 +3376,7 @@ bool nmDataAnalyzeManager::WriteProjectData(const QString & filePath)
     return true;
 }
 
-bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWndF)
+bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWndF, bool bClearRoot)
 {
     Q_ASSERT(nullptr != pSubWndF);
     // 通过窗口层上下文获取保存目录
@@ -3387,11 +3387,13 @@ bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWn
         return false;
     }
 
-    // sDir为当前成果窗口目录
-    // 保存前先清空成果ID目录下的旧内容，避免旧RstWnd目录或残留文件继续被加载
-    QString sResultRootPath = QFileInfo(sDir).dir().absolutePath();
-    if(!clearDirectoryContents(sResultRootPath)) {
-        return false;
+    // bClearRoot为true时清空整个成果目录，清理已删除窗口的残留数据。
+    // 仅在遍历保存的第一个窗口传入true，后续窗口传false避免误删其他窗口数据。
+    if(bClearRoot) {
+        QString sResultRootPath = QFileInfo(sDir).dir().absolutePath();
+        if(!clearDirectoryContents(sResultRootPath)) {
+            return false;
+        }
     }
 
     QString sResultPath = sDir + "/Results";
@@ -3403,7 +3405,7 @@ bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWn
     QString sWellHistoryDataPath = sDir + "/WellHistory";
     this->ensureDirectoryExists(sWellHistoryDataPath);
 
-    QVector<nmDataWellBase*> vecAllWells = nmDataAnalyzeManager::getCurrentInstance()->getWellDataList(); // 获取所有井
+    QVector<nmDataWellBase*> vecAllWells = this->getWellDataList(); // 获取所有井
 
     // 遍历所有井，保存历史数据
     for(int wellIdx = 0; wellIdx < vecAllWells.size(); ++wellIdx) {
@@ -3452,7 +3454,7 @@ bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWn
     // 保存参与计算井的结果数据
     QString sWellRstDataPath = sDir + "/WellRst";
     this->ensureDirectoryExists(sWellRstDataPath);
-    QVector<QPair<NM_WELL_MODEL, QString>> vecWells = nmDataAnalyzeManager::getCurrentInstance()->getCalculationWells();
+    QVector<QPair<NM_WELL_MODEL, QString>> vecWells = this->getCalculationWells();
 
     // 遍历每口井，保存里面计算出来的数据
     for(int wellIdx = 0; wellIdx < vecWells.size(); ++wellIdx) {
@@ -3464,7 +3466,7 @@ bool nmDataAnalyzeManager::saveNmResult(QString sRstCode, iSubWndFitting* pSubWn
             continue;
         }
 
-        nmDataWellBase* pWellData = nmDataAnalyzeManager::getCurrentInstance()->findWellByName(wellName);
+        nmDataWellBase* pWellData = this->findWellByName(wellName);
 
         if(pWellData) {
             this->saveWellCalRstData(sWellRstDataPath, pWellData);
diff --git a/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp b/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
index 1e308fb..4702052 100644
--- a/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
+++ b/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
@@ -738,16 +738,37 @@ bool nmSubWndUtils::saveRsts(iSubWnd* pSubWnd, \
             return false;
         }
         // 根据窗体指针，找到创建的对应的数据管理对象
-        nmDataAnalyzeManager*pDataManager = nmDataAnalyzeManager::findManagerByFitting(pSubWndF);
+        nmDataAnalyzeManager* pDataManager = nmDataAnalyzeManager::findManagerByFitting(pSubWndF);
 
         // 如果不存在，则说明当前分析窗体没有做数值解，不需要做保存处理
         if(pDataManager == nullptr) {
             return false;
         }
 
-        // 如果存在，则对当前分析数据进行保存
-        if(!pDataManager->saveNmResult(sRstName, pSubWndF)) {
-            return false;
+        // 获取当前Tab下所有流动段分析窗口，统一遍历保存。
+        // 无论主窗口对哪个流动段分析窗口调用 saveRsts，
+        // 都会遍历当前Tab下所有有 DataManager 的窗口依次保存，
+        // 确保多窗口数据全部持久化。第一个窗口保存时清空成果目录，
+        // 后续窗口不再清空，避免误删其他窗口数据。
+        ZxMainWindow* pMainWnd1 = const_cast<ZxMainWindow*>(pMainWnd);
+        ZxTabWidget* pTabWx = pMainWnd1->getCurTabWx();
+        QVector<iSubWnd*> vecAllFittingWnds = pMainWnd1->getAllSubWndsOf(pTabWx, "3004", false);
+
+        bool bFirstSave = true;
+        foreach(iSubWnd* pSub, vecAllFittingWnds) {
+            iSubWndFitting* pFit = dynamic_cast<iSubWndFitting*>(pSub);
+            if(pFit == nullptr) {
+                continue;
+            }
+
+            nmDataAnalyzeManager* pMgr = nmDataAnalyzeManager::findManagerByFitting(pFit);
+            if(pMgr == nullptr) {
+                continue;
+            }
+
+            // 第一个窗口保存时清空成果目录（清理旧窗口残留），后续窗口不再清空
+            pMgr->saveNmResult(sRstName, pFit, bFirstSave);
+            bFirstSave = false;
         }
     } else if(pSubWnd->getWndID() == "5118") {
         return true;