diff --git a/src/transmissionReconstruction/dataFilter/sensitivityCalculations.cpp b/src/transmissionReconstruction/dataFilter/sensitivityCalculations.cpp
index 69ef2d9..d3c4237 100644
--- a/src/transmissionReconstruction/dataFilter/sensitivityCalculations.cpp
+++ b/src/transmissionReconstruction/dataFilter/sensitivityCalculations.cpp
@@ -131,16 +131,18 @@ Aurora::Matrix precalcSensitivityForTAS(const Aurora::Matrix &aMSensChar,
                                         const Aurora::Matrix &aMStartPositions,
                                         const Aurora::Matrix &aMStartNormals,
                                         const Aurora::Matrix &aMEndPositions) {
-  auto sens = Aurora::zeros(aMEndPositions.getDimSize(1),
-                            aMStartPositions.getDimSize(1));
-  for (size_t i = 0; i < aMStartPositions.getDimSize(1); ++i) {
-    auto dirVector = aMEndPositions -
-                     Aurora::repmat(aMStartPositions(Aurora::$, i).toMatrix(),
-                                    1, aMEndPositions.getDimSize(1));
-    sens(Aurora::$, i) = getSensitivity(
-        aMSensChar, aMStartNormals(Aurora::$, i).toMatrix(), dirVector);
-  }
-  return sens;
+    auto sens = Aurora::zeros(aMEndPositions.getDimSize(1),
+                                aMStartPositions.getDimSize(1));
+    //有修改，多线程化，可提升10倍速
+    #pragma omp parallel for
+    for (size_t i = 0; i < aMStartPositions.getDimSize(1); ++i) {
+        auto dirVector = aMEndPositions -
+                        Aurora::repmat(aMStartPositions(Aurora::$, i).toMatrix(),
+                                        1, aMEndPositions.getDimSize(1));
+        sens(Aurora::$, i) = getSensitivity(
+            aMSensChar, aMStartNormals(Aurora::$, i).toMatrix(), dirVector);
+    }
+    return sens;
 }
 
 std::vector<Aurora::Matrix>
@@ -150,35 +152,35 @@ combineSensitivity(const Aurora::Matrix &aVSenderTASRange,
                    const Aurora::Matrix &aVReceiverElementRange,
                    const Aurora::Matrix &aMSenderSens,
                    const Aurora::Matrix &aMReceiverSens) {
-  double maxReceiverElementRange =
-      Aurora::max(aVReceiverElementRange).getScalar();
-  double maxReceiverTASRange = Aurora::max(aVReceiverTASRange).getScalar();
-  double maxSenderElementRange = Aurora::max(aVSenderElementRange).getScalar();
-  double maxSenderTASRange = Aurora::max(aVSenderTASRange).getScalar();
-  std::vector<Aurora::Matrix> ret;
-  for (size_t i = 0; i < maxSenderTASRange; ++i) {
-    ret.emplace_back(Aurora::zeros(maxReceiverElementRange, maxReceiverTASRange,
-                                   maxSenderElementRange));
-  }
-  size_t countSE = 0;
-  for (size_t i = 0; i < aVSenderTASRange.getDataSize(); i++) {
-    auto se = aVReceiverTASRange.getData()[i];
-    for (size_t j = 0; j < aVSenderElementRange.getDataSize(); j++) {
-      auto sn = aVSenderElementRange.getData()[j];
-      size_t countRE = 0;
-      for (size_t k = 0; k < aVReceiverTASRange.getDataSize(); k++) {
-        auto re = aVReceiverTASRange.getData()[k];
-        for (size_t n = 0; n < aVReceiverElementRange.getDataSize(); n++) {
-          auto rn = aVReceiverElementRange.getData()[n];
-          ret[se - 1](rn - 1, re - 1, sn - 1) =
-              aMSenderSens(countRE, countSE).toMatrix().getScalar() *
-              aMReceiverSens(countSE, countRE).toMatrix().getScalar();
-          countRE++;
-        }
-      }
-      countSE++;
+    double maxReceiverElementRange =
+        Aurora::max(aVReceiverElementRange).getScalar();
+    double maxReceiverTASRange = Aurora::max(aVReceiverTASRange).getScalar();
+    double maxSenderElementRange = Aurora::max(aVSenderElementRange).getScalar();
+    double maxSenderTASRange = Aurora::max(aVSenderTASRange).getScalar();
+    std::vector<Aurora::Matrix> ret;
+    for (size_t i = 0; i < maxSenderTASRange; ++i) {
+        ret.emplace_back(Aurora::zeros(maxReceiverElementRange, maxReceiverTASRange,
+                                    maxSenderElementRange));
+    }
+    //有修改，多线程化，可提升10倍速
+    #pragma omp parallel for
+    for (size_t i = 0; i < aVSenderTASRange.getDataSize(); i++) {
+        auto se = aVReceiverTASRange.getData()[i];
+        for (size_t j = 0; j < aVSenderElementRange.getDataSize(); j++) {
+        auto sn = aVSenderElementRange.getData()[j];
+        size_t countSE = i * aVSenderElementRange.getDataSize() + j;
+        for (size_t k = 0; k < aVReceiverTASRange.getDataSize(); k++) {
+            auto re = aVReceiverTASRange.getData()[k];
+            for (size_t n = 0; n < aVReceiverElementRange.getDataSize(); n++) {
+                size_t countRE = k*aVReceiverElementRange.getDataSize()+n;
+                auto rn = aVReceiverElementRange.getData()[n];
+                ret[se - 1](rn - 1, re - 1, sn - 1) =
+                    aMSenderSens(countRE, countSE).toMatrix().getScalar() *
+                    aMReceiverSens(countSE, countRE).toMatrix().getScalar();
+            }
+        }
+        }
     }
-  }
   return ret;
 }