diff --git a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
index e0d94de..19ca06f 100644
--- a/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
+++ b/Src/nmNum/nmData/nmDataAnalyzeManager.cpp
@@ -3144,6 +3144,11 @@ bool nmDataAnalyzeManager::ReadProjectData(const QString & filePath)
 		m_pTimeStep->FromJsonValue(doc["TimeStep"]);
 	}
 
+	// 恢复当前求解器模型类型
+	if(doc.HasMember("SolverModelType") && doc["SolverModelType"].IsInt()) {
+		m_eSolverModelType = static_cast<NM_SOLVER_MODEL_TYPE>(doc["SolverModelType"].GetInt());
+	}
+
 	return true;
 }
 
@@ -3318,6 +3323,9 @@ bool nmDataAnalyzeManager::WriteProjectData(const QString & filePath)
       doc.AddMember("TimeStep", timeStepJson, allocator);
     }
 
+    // 保存当前求解器模型类型
+    doc.AddMember("SolverModelType", static_cast<int>(m_eSolverModelType), allocator);
+
     // 将最终构建好的 Document 写入文件
     if(!nmDataJsonTools::WriteDomToFile(doc, filePath)) {
         qDebug() << "Error: Failed to write DOM to file:" << filePath;
diff --git a/Src/nmNum/nmData/nmDataReservoir.cpp b/Src/nmNum/nmData/nmDataReservoir.cpp
index 0994a48..dcfdce7 100644
--- a/Src/nmNum/nmData/nmDataReservoir.cpp
+++ b/Src/nmNum/nmData/nmDataReservoir.cpp
@@ -131,6 +131,9 @@ rapidjson::Value nmDataReservoir::ToJsonValue(rapidjson::Document::AllocatorType
 	reservoirObject.AddMember("Sgi", m_Sgi.ToJsonValue(allocator), allocator);
 	reservoirObject.AddMember("Swi", m_Swi.ToJsonValue(allocator), allocator);
 
+	// 多相流类型
+	reservoirObject.AddMember("PhaseType", static_cast<int>(m_ePhaseType), allocator);
+
 	return reservoirObject; // 返回序列化后的 RapidJSON Value
 }
 
@@ -204,6 +207,11 @@ void nmDataReservoir::FromJsonValue(const rapidjson::Value& jsonValue)
 	if (jsonValue.HasMember("Swi") && jsonValue["Swi"].IsObject()) {
 		m_Swi.FromJsonValue(jsonValue["Swi"]);
 	}
+
+	// 多相流类型
+	if (jsonValue.HasMember("PhaseType") && jsonValue["PhaseType"].IsInt()) {
+		m_ePhaseType = static_cast<NM_PHASE_TYPE>(jsonValue["PhaseType"].GetInt());
+	}
 }
 
 
diff --git a/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp b/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
index feec2a1..afc47ef 100644
--- a/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
+++ b/Src/nmNum/nmSubWnd/nmSubWndUtils.cpp
@@ -824,10 +824,10 @@ bool nmSubWndUtils::loadRsts(iSubWnd* pSubWnd, \
         // 设置当前操作的是哪一个分析
         nmDataAnalyzeManager::setCurrentFitting(pSubWndF);
 
-        // 加载本地文件的数据到数据中心里的数据体里
-        pDataManager->loadNmResult(sDir);
         // 加载当前分析中的PVT数据
         pDataManager->initPvtParaFromSubFit();
+        // 加载本地文件的数据到数据中心里的数据体里（含用户选择的模型类型，覆盖PVT推导结果）
+        pDataManager->loadNmResult(sDir);
 
         // 切换左侧参数视图
         pSubWndF->swapAnaNmDocks(true);