diff --git a/plugins/dcc-dock-settings-plugin/module_widget.cpp b/plugins/dcc-dock-settings-plugin/module_widget.cpp
index 3d1320fa7..e07b145ca 100644
--- a/plugins/dcc-dock-settings-plugin/module_widget.cpp
+++ b/plugins/dcc-dock-settings-plugin/module_widget.cpp
@@ -221,5 +221,7 @@ void ModuleWidget::updateSliderValue(int displayMode)
         m_sizeSlider->setValueLiteral(QString::number(m_daemonDockInter->windowSizeFashion()));
     } else if (displayMode == DisplayMode::Efficient) {
         m_sizeSlider->setValueLiteral(QString::number(m_daemonDockInter->windowSizeEfficient()));
+    } else {
+        Q_ASSERT_X(false, __FILE__, "not supported");
     }
 }
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index e9ae6cc63..317698e70 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -20,9 +20,14 @@ file(GLOB_RECURSE PLUGIN_SRCS
     "../plugins/bluetooth/*.cpp"
     "../plugins/bluetooth/componments/*.h"
     "../plugins/bluetooth/componments/*.cpp"
+    "../plugins/dcc-dock-settings-plugin/*.h"
+    "../plugins/dcc-dock-settings-plugin/*.cpp"
     "../frame/util/horizontalseperator.h"
     "../frame/util/horizontalseperator.cpp")
 
+# 其包含的"interface/moduleinterface.h"文件中定义了ModuleInterface_iid，任务栏插件框架的interface文件中也有定义
+list(FILTER PLUGIN_SRCS EXCLUDE REGEX "../plugins/dcc-dock-settings-plugin/settings_module.*")
+
 # 用于测试覆盖率的编译条件
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage -lgcov")
 
@@ -43,6 +48,7 @@ find_package(Qt5DBus REQUIRED)
 find_package(DtkWidget REQUIRED)
 find_package(Qt5Svg REQUIRED)
 find_package(Qt5 COMPONENTS Test REQUIRED)
+find_package(DdeControlCenter REQUIRED)
 find_package(GTest REQUIRED)
 find_package(GMock REQUIRED)
 
@@ -66,10 +72,12 @@ target_include_directories(${BIN_NAME} PUBLIC
     ${DFrameworkDBus_INCLUDE_DIRS}
     ${Qt5Gui_PRIVATE_INCLUDE_DIRS}
     ${QGSettings_INCLUDE_DIRS}
+    ${DdeControlCenter_INCLUDE_DIR}
     ../interfaces
     fakedbus
     ../plugins/bluetooth
     ../plugins/bluetooth/componments
+    ../plugins/dcc-dock-settings-plugin
 )
 
 # 链接库
@@ -84,6 +92,7 @@ target_link_libraries(${BIN_NAME} PRIVATE
     ${Qt5DBus_LIBRARIES}
     ${QGSettings_LIBRARIES}
     ${Qt5Svg_LIBRARIES}
+    ${DdeControlCenter_LIBRARIES}
     ${GTEST_LIBRARIES}
     ${GMOCK_LIBRARIES}
     -lpthread
diff --git a/tests/plugins/dcc-dock-settings-plugin/ut_gsettings_watcher.cpp b/tests/plugins/dcc-dock-settings-plugin/ut_gsettings_watcher.cpp
new file mode 100644
index 000000000..bd86218aa
--- /dev/null
+++ b/tests/plugins/dcc-dock-settings-plugin/ut_gsettings_watcher.cpp
@@ -0,0 +1,40 @@
+#include "gsetting_watcher.h"
+
+#include <QWidget>
+
+#include <gtest/gtest.h>
+
+class Test_GSettingWatcher : public QObject, public ::testing::Test
+{};
+
+TEST_F(Test_GSettingWatcher, bind)
+{
+    GSettingWatcher watcher("com.deepin.dde.control-center", "personalization");
+
+    QWidget widget;
+    watcher.bind("displayMode", &widget);
+    watcher.bind("displayMode", nullptr);
+    watcher.bind("invalid", &widget);
+    watcher.bind("", &widget);
+    watcher.bind("", nullptr);
+}
+
+TEST_F(Test_GSettingWatcher, setStatus)
+{
+    GSettingWatcher watcher("com.deepin.dde.control-center", "personalization");
+
+    QWidget widget;
+    watcher.bind("displayMode", &widget);
+    watcher.setStatus("displayMode", &widget);
+}
+
+TEST_F(Test_GSettingWatcher, onStatusModeChanged)
+{
+    GSettingWatcher watcher("com.deepin.dde.control-center", "personalization");
+
+    QWidget widget;
+    watcher.bind("displayMode", &widget);
+    watcher.onStatusModeChanged("displayMode");
+    watcher.onStatusModeChanged("invalid");
+    watcher.onStatusModeChanged("");
+}
diff --git a/tests/plugins/dcc-dock-settings-plugin/ut_module_widget.cpp b/tests/plugins/dcc-dock-settings-plugin/ut_module_widget.cpp
new file mode 100644
index 000000000..712958fdf
--- /dev/null
+++ b/tests/plugins/dcc-dock-settings-plugin/ut_module_widget.cpp
@@ -0,0 +1,24 @@
+#include "module_widget.h"
+
+#include <QWidget>
+
+#include <gtest/gtest.h>
+
+class Test_ModuleWidget : public QObject, public ::testing::Test
+{};
+
+TEST(Test_ModuleWidget_DeathTest, updateSliderValue)
+{
+    ModuleWidget widget;
+#ifdef QT_DEBUG
+    EXPECT_DEBUG_DEATH({widget.updateSliderValue(-1);}, "");
+#endif
+}
+
+TEST_F(Test_ModuleWidget, updateSliderValue)
+{
+    ModuleWidget widget;
+
+    widget.updateSliderValue(0);
+    widget.updateSliderValue(1);
+}