diff --git a/WebServer/WebServer.pro b/WebServer/WebServer.pro
index ce28918b..97757287 100644
--- a/WebServer/WebServer.pro
+++ b/WebServer/WebServer.pro
@@ -11,8 +11,11 @@ CONFIG += console
 CONFIG -= app_bundle
 
 # C++14 or higher version is required.
-CONFIG += c++14
-QMAKE_CXXFLAGS += -std=c++14
+# CONFIG += c++14
+# QMAKE_CXXFLAGS += -std=c++14
+# C++17 or higher version is required.
+CONFIG += c++17
+QMAKE_CXXFLAGS += -std=c++17
 
 macx {
     QMAKE_CXXFLAGS += -stdlib=libc++
diff --git a/WebServer/main.cpp b/WebServer/main.cpp
index 6869e797..c2e54802 100644
--- a/WebServer/main.cpp
+++ b/WebServer/main.cpp
@@ -133,10 +133,16 @@ bool loadXlsx(QString fileName, QString& strHtml)
             int row = cl.row - 1;
             int col = cl.col - 1;
 
-            QSharedPointer<Cell> ptrCell = cl.cell; // cell pointer
+            //  Update ShowConsole example for 9ab612f
+            // {{
+            // QSharedPointer<Cell> ptrCell = cl.cell; // cell pointer
+            std::shared_ptr<Cell> ptrCell = cl.cell; // cell pointer
 
             // value of cell
-            QVariant var = cl.cell.data()->value();
+            // QVariant var = cl.cell.data()->value();
+            QVariant var = ptrCell->value();
+            // }}
+
             QString str = var.toString();
 
             cellValues[row][col] = str;