diff --git a/src/dbus/applicationservice.cpp b/src/dbus/applicationservice.cpp
index b5717c0..252cf4a 100644
--- a/src/dbus/applicationservice.cpp
+++ b/src/dbus/applicationservice.cpp
@@ -377,6 +377,7 @@ LaunchTask ApplicationService::unescapeExec(const QString &str, const QStringLis
     auto matcher = re.match(str);
     if (!matcher.hasMatch()) {
         task.command.append(std::move(execList));
+        task.Resources.emplace_back(QString{""});  // mapReduce should run once at least
         return task;
     }
 
diff --git a/src/desktopentry.cpp b/src/desktopentry.cpp
index 65441f8..d0167d1 100644
--- a/src/desktopentry.cpp
+++ b/src/desktopentry.cpp
@@ -21,7 +21,7 @@ bool isInvalidLocaleString(const QString &str) noexcept
     constexpr auto Language = R"((?:[a-z]+))";        // language of locale postfix. eg.(en, zh)
     constexpr auto Country = R"((?:_[A-Z]+))";        // country of locale postfix. eg.(US, CN)
     constexpr auto Encoding = R"((?:\.[0-9A-Z-]+))";  // encoding of locale postfix. eg.(UFT-8)
-    constexpr auto Modifier = R"((?:@[a-z=;]+))";     // modifier of locale postfix. eg.(euro;collation=traditional)
+    constexpr auto Modifier = R"((?:@[a-zA-Z=;]+))";  // modifier of locale postfix. eg.(euro;collation=traditional)
     const static auto validKey = QString(R"(^%1%2?%3?%4?$)").arg(Language, Country, Encoding, Modifier);
     // example: https://regex101.com/r/hylOay/2
     static const QRegularExpression _re = []() -> QRegularExpression {
@@ -75,7 +75,7 @@ private:
 void Parser::skip() noexcept
 {
     while (!m_stream.atEnd() and (m_line.startsWith('#') or m_line.isEmpty())) {
-        m_line = m_stream.readLine();
+        m_line = m_stream.readLine().trimmed();
     }
 }
 
@@ -137,6 +137,9 @@ DesktopErrorCode Parser::addGroup(Groups &ret) noexcept
     m_line.clear();
     while (!m_stream.atEnd() && !m_line.startsWith('[')) {
         skip();
+        if (m_line.startsWith('[')) {
+            break;
+        }
         auto err = addEntry(group);
         if (err != DesktopErrorCode::NoError) {
             return err;
@@ -198,7 +201,12 @@ DesktopErrorCode Parser::addEntry(Groups::iterator &group) noexcept
         return DesktopErrorCode::NoError;
     }
 
-    group->insert(key, {{localeStr, valueStr}});
+    if (keyIt == group->end()) {
+        group->insert(key, {{localeStr, valueStr}});
+        return DesktopErrorCode::NoError;
+    }
+
+    keyIt->insert(localeStr, valueStr);
     return DesktopErrorCode::NoError;
 }
 
@@ -482,7 +490,9 @@ QString DesktopEntry::Value::toString(bool &ok) const noexcept
 {
     ok = false;
     auto str = this->find(defaultKeyStr);
+
     if (str == this->end()) {
+        qWarning() << "value not found.";
         return {};
     }
 
diff --git a/src/global.h b/src/global.h
index 7cf3130..8ac1357 100644
--- a/src/global.h
+++ b/src/global.h
@@ -69,10 +69,8 @@ void applyIteratively(QList<QDir> dirs, T &&func)
             continue;
         }
 
-        const auto &infoList =
-            dir.entryInfoList({"*.desktop"},
-                              QDir::Readable | QDir::AllDirs | QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot,
-                              QDir::Name | QDir::DirsLast);
+        const auto &infoList = dir.entryInfoList(
+            {"*.desktop"}, QDir::Readable | QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot, QDir::Name | QDir::DirsLast);
 
         for (const auto &info : infoList) {
             if (info.isFile() and func(info)) {
diff --git a/tests/data/applications/deepin-editor.desktop b/tests/data/applications/deepin-editor.desktop
index e8ae088..ec60459 100644
--- a/tests/data/applications/deepin-editor.desktop
+++ b/tests/data/applications/deepin-editor.desktop
@@ -55,7 +55,7 @@ GenericName[es]=Editor de texto
 GenericName[et]=Tekstiredaktor
 GenericName[fi]=Tekstieditori
 GenericName[fr]=Éditeur de texte
-GenericName[en_US.UTF-8@euro;collation=traditional]=just for test\;teststing=abab\;
+GenericName[en_US.UTF-8@euro]=just for test\;teststing=abab\;
 GenericName[gl_ES]=Editor de texto
 GenericName[hr]=Uređivač teksta
 GenericName[hu]=Szövegszerkesztő