diff --git a/deepin-devicemanager/src/DeviceManager/DeviceGpu.cpp b/deepin-devicemanager/src/DeviceManager/DeviceGpu.cpp
index 1951118b..fd4adde1 100644
--- a/deepin-devicemanager/src/DeviceManager/DeviceGpu.cpp
+++ b/deepin-devicemanager/src/DeviceManager/DeviceGpu.cpp
@@ -14,16 +14,16 @@ DeviceGpu::DeviceGpu()
     , m_Model("")
     , m_GraphicsMemory("")
     , m_Width("")
-    , m_DisplayPort("Unable")
+    , m_DisplayPort("")
     , m_Clock("")
     , m_IRQ("")
     , m_Capabilities("")
     , m_DisplayOutput("")
-    , m_VGA("Unable")
-    , m_HDMI("Unable")
-    , m_eDP("Unable")
-    , m_DVI("Unable")
-    , m_Digital("Unable")
+    , m_VGA("")
+    , m_HDMI("")
+    , m_eDP("")
+    , m_DVI("")
+    , m_Digital("")
     , m_CurrentResolution("")
     , m_MinimumResolution("")
     , m_MaximumResolution("")