diff --git a/main/NekoGui.cpp b/main/NekoGui.cpp
index 154ecd8..fd176a5 100644
--- a/main/NekoGui.cpp
+++ b/main/NekoGui.cpp
@@ -1,4 +1,5 @@
 #include "NekoGui.hpp"
+#include "fmt/Preset.hpp"
 
 #include <QFile>
 #include <QDir>
@@ -314,6 +315,10 @@ namespace NekoGui {
                 "domain:crashlytics.com\n"
                 "domain:google-analytics.com";
         }
+        if (IS_NEKO_BOX) {
+            if (!Preset::SingBox::DomainStrategy.contains(domain_strategy)) domain_strategy = "";
+            if (!Preset::SingBox::DomainStrategy.contains(outbound_domain_strategy)) outbound_domain_strategy = "";
+        }
         _add(new configItem("direct_ip", &this->direct_ip, itemType::string));
         _add(new configItem("direct_domain", &this->direct_domain, itemType::string));
         _add(new configItem("proxy_ip", &this->proxy_ip, itemType::string));
@@ -337,12 +342,12 @@ namespace NekoGui {
 
     QString Routing::DisplayRouting() const {
         return QString("[Proxy] %1\n[Proxy] %2\n[Direct] %3\n[Direct] %4\n[Block] %5\n[Block] %6\n[Default Outbound] %7\n[DNS] %8")
-            .arg(SplitLinesSkipSharp(proxy_domain).join(","))
-            .arg(SplitLinesSkipSharp(proxy_ip).join(","))
-            .arg(SplitLinesSkipSharp(direct_domain).join(","))
-            .arg(SplitLinesSkipSharp(direct_ip).join(","))
-            .arg(SplitLinesSkipSharp(block_domain).join(","))
-            .arg(SplitLinesSkipSharp(block_ip).join(","))
+            .arg(SplitLinesSkipSharp(proxy_domain).join(","), 10)
+            .arg(SplitLinesSkipSharp(proxy_ip).join(","), 10)
+            .arg(SplitLinesSkipSharp(direct_domain).join(","), 10)
+            .arg(SplitLinesSkipSharp(direct_ip).join(","), 10)
+            .arg(SplitLinesSkipSharp(block_domain).join(","), 10)
+            .arg(SplitLinesSkipSharp(block_ip).join(","), 10)
             .arg(def_outbound)
             .arg(use_dns_object ? "DNS Object" : "Simple DNS");
     }
@@ -352,11 +357,16 @@ namespace NekoGui {
         return dr.entryList(QDir::Files);
     }
 
-    void Routing::SetToActive(const QString &name) {
+    bool Routing::SetToActive(const QString &name) {
+        NekoGui::dataStore->routing = std::make_unique<Routing>();
+        NekoGui::dataStore->routing->load_control_must = true;
         NekoGui::dataStore->routing->fn = ROUTES_PREFIX + name;
-        NekoGui::dataStore->routing->Load();
-        NekoGui::dataStore->active_routing = name;
-        NekoGui::dataStore->Save();
+        auto ok = NekoGui::dataStore->routing->Load();
+        if (ok) {
+            NekoGui::dataStore->active_routing = name;
+            NekoGui::dataStore->Save();
+        }
+        return ok;
     }
 
     // NO default extra core
diff --git a/main/NekoGui_DataStore.hpp b/main/NekoGui_DataStore.hpp
index fb5c3e2..492de2b 100644
--- a/main/NekoGui_DataStore.hpp
+++ b/main/NekoGui_DataStore.hpp
@@ -33,7 +33,7 @@ namespace NekoGui {
 
         static QStringList List();
 
-        static void SetToActive(const QString &name);
+        static bool SetToActive(const QString &name);
     };
 
     class ExtraCore : public JsonStore {
@@ -74,7 +74,7 @@ namespace NekoGui {
         QString appdataDir = "";
         QStringList ignoreConnTag = {};
 
-        Routing *routing = new Routing;
+        std::unique_ptr<Routing> routing;
         int imported_count = 0;
         bool refreshing_group_list = false;
         bool refreshing_group = false;
diff --git a/main/NekoGui_Utils.cpp b/main/NekoGui_Utils.cpp
index 83fc4ef..92a0672 100644
--- a/main/NekoGui_Utils.cpp
+++ b/main/NekoGui_Utils.cpp
@@ -30,12 +30,14 @@ QStringList SplitLines(const QString &_string) {
 #endif
 }
 
-QStringList SplitLinesSkipSharp(const QString &_string) {
+QStringList SplitLinesSkipSharp(const QString &_string, int maxLine) {
     auto lines = SplitLines(_string);
     QStringList newLines;
+    int i = 0;
     for (const auto &line: lines) {
         if (line.trimmed().startsWith("#")) continue;
         newLines << line;
+        if (maxLine > 0 && ++i >= maxLine) break;
     }
     return newLines;
 }
diff --git a/main/NekoGui_Utils.hpp b/main/NekoGui_Utils.hpp
index 8b9719c..ab2d750 100644
--- a/main/NekoGui_Utils.hpp
+++ b/main/NekoGui_Utils.hpp
@@ -50,7 +50,7 @@ QString QStringList2Command(const QStringList &list);
 
 QStringList SplitLines(const QString &_string);
 
-QStringList SplitLinesSkipSharp(const QString &_string);
+QStringList SplitLinesSkipSharp(const QString &_string, int maxLine = 0);
 
 // Base64
 
diff --git a/main/main.cpp b/main/main.cpp
index 1281984..d619358 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -219,6 +219,7 @@ int main(int argc, char* argv[]) {
     if (NekoGui::dataStore->start_minimal) NekoGui::dataStore->flag_tray = true;
 
     // load routing
+    NekoGui::dataStore->routing = std::make_unique<NekoGui::Routing>();
     NekoGui::dataStore->routing->fn = ROUTES_PREFIX + NekoGui::dataStore->active_routing;
     isLoaded = NekoGui::dataStore->routing->Load();
     if (!isLoaded) {
diff --git a/ui/dialog_manage_routes.cpp b/ui/dialog_manage_routes.cpp
index 55dfc50..c6bf0ae 100644
--- a/ui/dialog_manage_routes.cpp
+++ b/ui/dialog_manage_routes.cpp
@@ -89,7 +89,7 @@ DialogManageRoutes::DialogManageRoutes(QWidget *parent) : QDialog(parent), ui(ne
     ui->proxyIPLayout->addWidget(proxyIPTxt, 0, 0);
     ui->blockIPLayout->addWidget(blockIPTxt, 0, 0);
     //
-    REFRESH_ACTIVE_ROUTING(NekoGui::dataStore->active_routing, NekoGui::dataStore->routing)
+    REFRESH_ACTIVE_ROUTING(NekoGui::dataStore->active_routing, NekoGui::dataStore->routing.get())
 
     ADD_ASTERISK(this)
 }
@@ -102,7 +102,7 @@ void DialogManageRoutes::accept() {
     D_C_SAVE_STRING(custom_route_global)
     bool routeChanged = false;
     if (NekoGui::dataStore->active_routing != active_routing) routeChanged = true;
-    SaveDisplayRouting(NekoGui::dataStore->routing);
+    SaveDisplayRouting(NekoGui::dataStore->routing.get());
     NekoGui::dataStore->active_routing = active_routing;
     NekoGui::dataStore->routing->fn = ROUTES_PREFIX + NekoGui::dataStore->active_routing;
     if (NekoGui::dataStore->routing->Save()) routeChanged = true;
@@ -211,7 +211,7 @@ void DialogManageRoutes::on_load_save_clicked() {
             r->fn = ROUTES_PREFIX + fn;
             if (r->Load()) {
                 if (QMessageBox::question(nullptr, software_name, tr("Load routing: %1").arg(fn) + "\n" + r->DisplayRouting()) == QMessageBox::Yes) {
-                    REFRESH_ACTIVE_ROUTING(fn, r.get())
+                    REFRESH_ACTIVE_ROUTING(fn, r.get()) // temp save to the window
                     w->accept();
                 }
             }
@@ -238,7 +238,7 @@ void DialogManageRoutes::on_load_save_clicked() {
                 f.remove();
                 if (NekoGui::dataStore->active_routing == fn) {
                     NekoGui::Routing::SetToActive(NekoGui::Routing::List().first());
-                    REFRESH_ACTIVE_ROUTING(NekoGui::dataStore->active_routing, NekoGui::dataStore->routing)
+                    REFRESH_ACTIVE_ROUTING(NekoGui::dataStore->active_routing, NekoGui::dataStore->routing.get())
                 }
                 w->accept();
             }
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index 0942456..3b6f0e1 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -94,8 +94,6 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
         software_core_name = "sing-box";
         // replace default values
         if (NekoGui::dataStore->log_level == "warning") NekoGui::dataStore->log_level = "info";
-        if (!Preset::SingBox::DomainStrategy.contains(NekoGui::dataStore->routing->domain_strategy)) NekoGui::dataStore->routing->domain_strategy = "";
-        if (!Preset::SingBox::DomainStrategy.contains(NekoGui::dataStore->routing->outbound_domain_strategy)) NekoGui::dataStore->routing->outbound_domain_strategy = "";
         if (NekoGui::dataStore->mux_protocol.isEmpty()) NekoGui::dataStore->mux_protocol = "h2mux";
         //
         if (QDir("dashboard").count() == 0) {