diff --git a/Src/nmNum/nmCalculation/nmCalculationPebiGrid.cpp b/Src/nmNum/nmCalculation/nmCalculationPebiGrid.cpp
index 0f783b1..32d6134 100644
--- a/Src/nmNum/nmCalculation/nmCalculationPebiGrid.cpp
+++ b/Src/nmNum/nmCalculation/nmCalculationPebiGrid.cpp
@@ -1,8 +1,6 @@
 #include "nmCalculationPebiGrid.h"
 #include <Windows.h>
-#include <QApplication>
 #include <QDebug>
-#include <QDir>
 #include <QMutex>
 #include <QMutexLocker>
 #include <QThread>
@@ -122,26 +120,6 @@ std::vector<double> buildConstantPvtPressure()
     return pressure;
 }
 
-QString solverModelFileTag(NM_SOLVER_MODEL_TYPE modelType)
-{
-    switch(modelType) {
-    case SMT_Oil_ConstPvt:
-        return "T1_oil_const_pvt";
-    case SMT_Oil_VariablePvt:
-        return "T2_oil_variable_pvt";
-    case SMT_Water_ConstPvt:
-        return "T3_water_const_pvt";
-    case SMT_Water_VariablePvt:
-        return "T4_water_variable_pvt";
-    case SMT_Gas_VariablePvt:
-        return "T5_gas_variable_pvt";
-    case SMT_Oil_Water_TwoPhase:
-        return "T8_oil_water_two_phase";
-    default:
-        return QString("T%1_unsupported").arg(static_cast<int>(modelType));
-    }
-}
-
 void fillScenePvtByModel(nmDataBinaryTools::NM_PEBI_SCENE& scene,
                          NM_SOLVER_MODEL_TYPE modelType,
                          nmDataPvtParaForPebi* pvt,
@@ -1703,31 +1681,6 @@ bool nmCalculationPebiGrid::calculateSnapshot(
     }
 
     try {
-        // 第一步：后台写出已经值化的场景，不再回查当前成果或井对象。
-        QDir oAppDir(QCoreApplication::applicationDirPath());
-        QDir oDataDir(oAppDir.filePath(
-                          "../../ML/nmWTAI-ML/data/temp"));
-        if(!oDataDir.exists()) {
-            oDataDir.mkpath(".");
-        }
-
-        const NM_SOLVER_MODEL_TYPE eSolverModelType =
-                static_cast<NM_SOLVER_MODEL_TYPE>(
-                    oSnapshot.m_oScene.solverType);
-        const QString sScenePath = oDataDir.filePath(
-                    QString("scene_%1.bin")
-                    .arg(solverModelFileTag(eSolverModelType)));
-        if(!nmDataBinaryTools::savePebiSceneBin(
-               sScenePath, oSnapshot.m_oScene)) {
-            zxLogInstance::getInstance()->writeLogF(
-                        "savePebiSceneBin failed: " +
-                        nmDataBinaryTools::getLastError());
-            FreeLibrary(hGridModule);
-            return false;
-        }
-        zxLogInstance::getInstance()->writeLogF(
-                    "scene exported: " + sScenePath);
-
         if(isCancellationRequested(pCancelRequested)) {
             FreeLibrary(hGridModule);
             return false;