diff --git a/src/dbus/applicationmanager1service.cpp b/src/dbus/applicationmanager1service.cpp
index a70b3c4..46f40ae 100644
--- a/src/dbus/applicationmanager1service.cpp
+++ b/src/dbus/applicationmanager1service.cpp
@@ -547,13 +547,13 @@ QString ApplicationManager1Service::Identify(const QDBusUnixFileDescriptor &pidf
 
     auto pid = getPidFromPidFd(pidfd);
     if (pid == 0) {
-        sendErrorReply(QDBusError::Failed, "pid is invalid");
+        safe_sendErrorReply(QDBusError::Failed, "pid is invalid");
         return {};
     }
 
     const auto ret = m_identifier->Identify(pid);
     if (ret.ApplicationId.isEmpty()) {
-        sendErrorReply(QDBusError::Failed, "Identify failed.");
+        safe_sendErrorReply(QDBusError::Failed, "Identify failed.");
         return {};
     }
 
@@ -562,7 +562,7 @@ QString ApplicationManager1Service::Identify(const QDBusUnixFileDescriptor &pidf
     });
 
     if (app == m_applicationList.cend()) {
-        sendErrorReply(QDBusError::Failed, "can't find application:" % ret.ApplicationId);
+        safe_sendErrorReply(QDBusError::Failed, "can't find application:" % ret.ApplicationId);
         return {};
     }
 
@@ -575,7 +575,7 @@ QString ApplicationManager1Service::Identify(const QDBusUnixFileDescriptor &pidf
         instancePath = (*app)->findInstance(ret.InstanceId);
     }
     if (instancePath.path().isEmpty()) {
-        sendErrorReply(QDBusError::Failed, "can't find instance:" % ret.InstanceId);
+        safe_sendErrorReply(QDBusError::Failed, "can't find instance:" % ret.InstanceId);
         return {};
     }
 
@@ -706,14 +706,14 @@ ApplicationManager1Service::findApplicationsByIds(const QStringList &appIds) con
 QString ApplicationManager1Service::addUserApplication(const QVariantMap &desktop_file, const QString &name) noexcept
 {
     if (name.isEmpty()) {
-        sendErrorReply(QDBusError::Failed, "file name is empty.");
+        safe_sendErrorReply(QDBusError::Failed, "file name is empty.");
         return {};
     }
 
     QDir xdgDataHome;
     QString dir{getXDGDataHome() + "/applications"};
     if (!xdgDataHome.mkpath(dir)) {
-        sendErrorReply(QDBusError::Failed, "couldn't create directory of user applications.");
+        safe_sendErrorReply(QDBusError::Failed, "couldn't create directory of user applications.");
         return {};
     }
 
@@ -721,13 +721,13 @@ QString ApplicationManager1Service::addUserApplication(const QVariantMap &deskto
     const auto &filePath = xdgDataHome.filePath(name);
 
     if (QFileInfo info{filePath}; info.exists() and info.isFile()) {
-        sendErrorReply(QDBusError::Failed, QString{"file already exists:%1"}.arg(info.absoluteFilePath()));
+        safe_sendErrorReply(QDBusError::Failed, QString{"file already exists:%1"}.arg(info.absoluteFilePath()));
         return {};
     }
 
     QFile file{filePath};
     if (!file.open(QFile::NewOnly | QFile::WriteOnly | QFile::Text)) {
-        sendErrorReply(QDBusError::Failed, file.errorString());
+        safe_sendErrorReply(QDBusError::Failed, file.errorString());
         return {};
     }
 
@@ -735,14 +735,14 @@ QString ApplicationManager1Service::addUserApplication(const QVariantMap &deskto
     auto fileContent = DesktopFileGenerator::generate(desktop_file, errMsg);
     if (fileContent.isEmpty() or !errMsg.isEmpty()) {
         file.remove();
-        sendErrorReply(QDBusError::Failed, errMsg);
+        safe_sendErrorReply(QDBusError::Failed, errMsg);
         return {};
     }
 
     auto writeContent = fileContent.toLocal8Bit();
     if (file.write(writeContent) != writeContent.size()) {
         file.remove();
-        sendErrorReply(QDBusError::Failed, "incomplete file content.this file will be removed.");
+        safe_sendErrorReply(QDBusError::Failed, "incomplete file content.this file will be removed.");
         return {};
     }
 
@@ -753,13 +753,13 @@ QString ApplicationManager1Service::addUserApplication(const QVariantMap &deskto
     if (err != ParserError::NoError) {
         file.remove();
         qDebug() << "add user's application failed:" << err;
-        sendErrorReply(QDBusError::Failed, "search failed.");
+        safe_sendErrorReply(QDBusError::Failed, "search failed.");
         return {};
     }
 
     if (!ret) {
         file.remove();
-        sendErrorReply(QDBusError::InternalError);
+        safe_sendErrorReply(QDBusError::InternalError);
         return {};
     }
 
@@ -767,7 +767,7 @@ QString ApplicationManager1Service::addUserApplication(const QVariantMap &deskto
     auto appId = desktopSource.desktopId();
     if (!addApplication(std::move(desktopSource))) {
         file.remove();
-        sendErrorReply(QDBusError::Failed, "add application to ApplicationManager failed.");
+        safe_sendErrorReply(QDBusError::Failed, "add application to ApplicationManager failed.");
         return {};
     }
 
diff --git a/src/dbus/applicationservice.cpp b/src/dbus/applicationservice.cpp
index 0ffc61d..c43a9c6 100644
--- a/src/dbus/applicationservice.cpp
+++ b/src/dbus/applicationservice.cpp
@@ -232,9 +232,7 @@ ApplicationService::Launch(const QString &action, const QStringList &fields, con
         if (!Actions) {
             QString msg{"application can't be executed."};
             qWarning() << msg;
-            if (calledFromDBus()) {
-                sendErrorReply(QDBusError::Failed, msg);
-            }
+            safe_sendErrorReply(QDBusError::Failed, msg);
             return {};
         }
 
@@ -242,9 +240,7 @@ ApplicationService::Launch(const QString &action, const QStringList &fields, con
         if (execStr.isEmpty()) {
             QString msg{"maybe entry actions's format is invalid, abort launch."};
             qWarning() << msg;
-            if (calledFromDBus()) {
-                sendErrorReply(QDBusError::Failed, msg);
-            }
+            safe_sendErrorReply(QDBusError::Failed, msg);
             return {};
         }
     }
@@ -258,18 +254,14 @@ ApplicationService::Launch(const QString &action, const QStringList &fields, con
     auto cmds = generateCommand(optionsMap);
     auto task = unescapeExec(execStr, fields);
     if (!task) {
-        if (calledFromDBus()) {
-            sendErrorReply(QDBusError::InternalError, "Invalid Command.");
-        }
+        safe_sendErrorReply(QDBusError::InternalError, "Invalid Command.");
         return {};
     }
 
     auto [bin, execCmds, res] = std::move(task);
     if (bin.isEmpty()) {
         qCritical() << "error command is detected, abort.";
-        if (calledFromDBus()) {
-            sendErrorReply(QDBusError::Failed);
-        }
+        safe_sendErrorReply(QDBusError::Failed);
         return {};
     }
 
@@ -352,7 +344,7 @@ bool ApplicationService::SendToDesktop() const noexcept
     auto success = m_desktopSource.sourceFileRef().link(desktopFile);
     if (!success) {
         qDebug() << "create link failed:" << m_desktopSource.sourceFileRef().errorString() << "path:" << desktopFile;
-        sendErrorReply(QDBusError::ErrorType::Failed, m_desktopSource.sourceFileRef().errorString());
+        safe_sendErrorReply(QDBusError::ErrorType::Failed, m_desktopSource.sourceFileRef().errorString());
     }
 
     return success;
@@ -375,7 +367,7 @@ bool ApplicationService::RemoveFromDesktop() const noexcept
 
     if (!success) {
         qDebug() << "remove desktop file failed:" << desktopFile.errorString();
-        sendErrorReply(QDBusError::ErrorType::Failed, desktopFile.errorString());
+        safe_sendErrorReply(QDBusError::ErrorType::Failed, desktopFile.errorString());
     }
 
     return success;
@@ -568,19 +560,19 @@ void ApplicationService::setEnviron(const QString &value) noexcept
     auto storagePtr = m_storage.lock();
     if (!storagePtr) {
         qCritical() << "broken storage.";
-        sendErrorReply(QDBusError::InternalError);
+        safe_sendErrorReply(QDBusError::InternalError);
         return;
     }
 
     auto appId = id();
     if (!storagePtr->readApplicationValue(appId, ApplicationPropertiesGroup, Environ).isNull()) {
         if (!storagePtr->updateApplicationValue(appId, ApplicationPropertiesGroup, Environ, value)) {
-            sendErrorReply(QDBusError::Failed, "update environ failed.");
+            safe_sendErrorReply(QDBusError::Failed, "update environ failed.");
             return;
         }
     } else {
         if (!storagePtr->createApplicationValue(appId, ApplicationPropertiesGroup, Environ, value)) {
-            sendErrorReply(QDBusError::Failed, "set environ failed.");
+            safe_sendErrorReply(QDBusError::Failed, "set environ failed.");
         }
     }
 
@@ -664,7 +656,7 @@ void ApplicationService::setAutoStart(bool autostart) noexcept
     QFile autostartFile{fileName};
     if (!autostartFile.open(QFile::WriteOnly | QFile::Text | QFile::Truncate)) {
         qWarning() << "open file" << fileName << "failed:" << autostartFile.error();
-        sendErrorReply(QDBusError::Failed);
+        safe_sendErrorReply(QDBusError::Failed);
         return;
     }
 
@@ -690,7 +682,7 @@ void ApplicationService::setAutoStart(bool autostart) noexcept
 
     if (writeBytes != hideAutostart.size() or !autostartFile.flush()) {
         qWarning() << "incomplete write:" << autostartFile.error();
-        sendErrorReply(QDBusError::Failed, "set failed: filesystem error.");
+        safe_sendErrorReply(QDBusError::Failed, "set failed: filesystem error.");
         return;
     }
 
@@ -755,7 +747,7 @@ void ApplicationService::setMimeTypes(const QStringList &value) noexcept
     auto &infos = parent()->mimeManager().infos();
     auto userInfo = std::find_if(infos.begin(), infos.end(), [](const MimeInfo &info) { return info.directory() == userDir; });
     if (userInfo == infos.cend()) {
-        sendErrorReply(QDBusError::Failed, "user-specific config file doesn't exists.");
+        safe_sendErrorReply(QDBusError::Failed, "user-specific config file doesn't exists.");
         return;
     }
 
diff --git a/src/dbus/instanceservice.cpp b/src/dbus/instanceservice.cpp
index afec0df..88f2aa4 100644
--- a/src/dbus/instanceservice.cpp
+++ b/src/dbus/instanceservice.cpp
@@ -34,5 +34,5 @@ void InstanceService::KillAll(int signal)
         return;
     }
 
-    sendErrorReply(reply.errorName(), reply.errorMessage());
+    safe_sendErrorReply(reply.errorName(), reply.errorMessage());
 }
diff --git a/src/dbus/mimemanager1service.cpp b/src/dbus/mimemanager1service.cpp
index 2024981..7d4f224 100644
--- a/src/dbus/mimemanager1service.cpp
+++ b/src/dbus/mimemanager1service.cpp
@@ -92,7 +92,7 @@ void MimeManager1Service::setDefaultApplication(const QStringMap &defaultApps) n
     auto &app = m_infos.front().appsList();
 
     if (app.empty()) {
-        sendErrorReply(QDBusError::InternalError);
+        safe_sendErrorReply(QDBusError::InternalError);
         return;
     }
 
@@ -101,7 +101,7 @@ void MimeManager1Service::setDefaultApplication(const QStringMap &defaultApps) n
 
     if (userConfig == app.end()) {
         qWarning() << "couldn't find user mimeApps";
-        sendErrorReply(QDBusError::InternalError);
+        safe_sendErrorReply(QDBusError::InternalError);
         return;
     }
 
@@ -110,7 +110,7 @@ void MimeManager1Service::setDefaultApplication(const QStringMap &defaultApps) n
     }
 
     if (!userConfig->writeToFile()) {
-        sendErrorReply(QDBusError::Failed, "set default app failed, these config will be reset after re-login.");
+        safe_sendErrorReply(QDBusError::Failed, "set default app failed, these config will be reset after re-login.");
     }
 }
 
@@ -121,7 +121,7 @@ void MimeManager1Service::unsetDefaultApplication(const QStringList &mimeTypes)
 
     if (userConfig == app.end()) {
         qWarning() << "couldn't find user mimeApps";
-        sendErrorReply(QDBusError::InternalError);
+        safe_sendErrorReply(QDBusError::InternalError);
         return;
     }
 
@@ -130,7 +130,7 @@ void MimeManager1Service::unsetDefaultApplication(const QStringList &mimeTypes)
     }
 
     if (!userConfig->writeToFile()) {
-        sendErrorReply(QDBusError::Failed, "unset default app failed, these config will be reset after re-login.");
+        safe_sendErrorReply(QDBusError::Failed, "unset default app failed, these config will be reset after re-login.");
     }
 }
 
diff --git a/src/global.h b/src/global.h
index 0b86caa..3dd96eb 100644
--- a/src/global.h
+++ b/src/global.h
@@ -651,4 +651,6 @@ inline int pidfd_open(pid_t pid, uint flags)
     return syscall(SYS_pidfd_open, pid, flags);
 }
 
+#define safe_sendErrorReply if (calledFromDBus()) sendErrorReply
+
 #endif