diff --git a/tests/ut_applicationmanager.cpp b/tests/ut_applicationmanager.cpp
index cef71e91..61efb2bb 100644
--- a/tests/ut_applicationmanager.cpp
+++ b/tests/ut_applicationmanager.cpp
@@ -59,19 +59,22 @@ TEST_F(TestApplicationManager, identifyService)
     }
     using namespace std::chrono_literals;
     // for service unit
-    auto workingDir = QDir::cleanPath(QDir::current().absolutePath() + QDir::separator() + ".." + QDir::separator() + "tools");
-    QFile pidFile{workingDir + QDir::separator() + "pid.txt"};
+    auto workingDir = QDir::current();
+    ASSERT_TRUE(workingDir.cdUp());
+    ASSERT_TRUE(workingDir.cdUp());
+    ASSERT_TRUE(workingDir.cd("tools"));
+    QFile pidFile{workingDir.absoluteFilePath("pid.txt")};
     if (pidFile.exists()) {
         ASSERT_TRUE(pidFile.remove());
     }
 
     QProcess fakeServiceProc;
-    fakeServiceProc.setWorkingDirectory(workingDir);
+    fakeServiceProc.setWorkingDirectory(workingDir.absolutePath());
     auto InstanceId = InstancePath.path().split('/').last();
     fakeServiceProc.start("/usr/bin/systemd-run",
                           {{QString{R"(--unit=app-DDE-test\x2dApplication@%1.service)"}.arg(InstanceId)},
                            {"--user"},
-                           {QString{"--working-directory=%1"}.arg(workingDir)},
+                           {QString{"--working-directory=%1"}.arg(workingDir.absolutePath())},
                            {"--slice=app.slice"},
                            {"./fake-process.sh"}});
     fakeServiceProc.waitForFinished();
@@ -123,11 +126,11 @@ TEST_F(TestApplicationManager, identifyService)
                                         {{"--scope"},
                                          {QString{R"(--unit=app-DDE-test\x2dApplication-%1.scope)"}.arg(InstanceId)},
                                          {"--user"},
-                                         {QString{"--working-directory=%1"}.arg(workingDir)},
+                                         {QString{"--working-directory=%1"}.arg(workingDir.absolutePath())},
                                          {"--slice=app.slice"},
                                          {"./fake-process.sh"},
                                          {"Scope"}},
-                                        workingDir));
+                                        workingDir.absolutePath()));
 
     std::this_thread::sleep_for(500ms);
 
diff --git a/tests/ut_desktopentry.cpp b/tests/ut_desktopentry.cpp
index 50136c24..91c18651 100644
--- a/tests/ut_desktopentry.cpp
+++ b/tests/ut_desktopentry.cpp
@@ -16,9 +16,11 @@ class TestDesktopEntry : public testing::Test
     static void SetUpTestCase()
     {
         env = qgetenv("XDG_DATA_DIRS");
-        auto curDir = QDir::current();
-        QByteArray fakeXDG = (curDir.absolutePath() + QDir::separator() + "data").toLocal8Bit();
-        ASSERT_TRUE(qputenv("XDG_DATA_DIRS", fakeXDG));
+        auto fakeXDG = QDir::current();
+        ASSERT_TRUE(fakeXDG.cdUp());
+        ASSERT_TRUE(fakeXDG.cdUp());
+        ASSERT_TRUE(fakeXDG.cd("tests/data"));
+        ASSERT_TRUE(qputenv("XDG_DATA_DIRS", fakeXDG.absolutePath().toLocal8Bit()));
         ParserError err;
         auto file = DesktopFile::searchDesktopFileById("deepin-editor", err);
         if (!file.has_value()) {
@@ -42,9 +44,11 @@ TEST_F(TestDesktopEntry, desktopFile)
     const auto &fileptr = file();
     ASSERT_FALSE(fileptr.isNull());
     const auto &exampleFile = file();
-    auto curDir = QDir::current();
-    QString path{curDir.absolutePath() + QDir::separator() + "data" + QDir::separator() + "applications" + QDir::separator() +
-                 "deepin-editor.desktop"};
+    auto desktopFileDir = QDir::current();
+    ASSERT_TRUE(desktopFileDir.cdUp());
+    ASSERT_TRUE(desktopFileDir.cdUp());
+    ASSERT_TRUE(desktopFileDir.cd("tests/data/applications"));
+    const auto& path = desktopFileDir.absoluteFilePath("deepin-editor.desktop");
     EXPECT_EQ(exampleFile->sourcePath(), path);
     EXPECT_EQ(exampleFile->desktopId().toStdString(), "deepin-editor");
 }
diff --git a/tests/ut_hook.cpp b/tests/ut_hook.cpp
index 28b9fc41..1e0f664d 100644
--- a/tests/ut_hook.cpp
+++ b/tests/ut_hook.cpp
@@ -3,14 +3,18 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 #include "applicationHooks.h"
+#include <gtest/gtest.h>
 #include <QDir>
 #include <QStringList>
-#include <gtest/gtest.h>
 
 TEST(ApplicationHookTest, load)
 {
-    auto file =
-        QDir::currentPath() + QDir::separator() + "data" + QDir::separator() + "hooks.d" + QDir::separator() + "1-test.json";
+    auto hooksDir = QDir::current();
+    ASSERT_TRUE(hooksDir.cdUp());
+    ASSERT_TRUE(hooksDir.cdUp());
+    ASSERT_TRUE(hooksDir.cd("tests/data/hooks.d"));
+
+    auto file = hooksDir.absoluteFilePath("1-test.json");
     auto hook = ApplicationHook::loadFromFile(file);
     EXPECT_TRUE(hook);
     EXPECT_EQ(hook->hookName(), QString{"1-test.json"});