diff --git a/dmserver/include/abstract_display_controller.h b/dmserver/include/abstract_display_controller.h
index ed3119a8b94bf845ac647a2d20fc0b54782fb9c8..ba8c2275002f556116d54c439be563983a0caccc 100644
--- a/dmserver/include/abstract_display_controller.h
+++ b/dmserver/include/abstract_display_controller.h
@@ -40,6 +40,8 @@ public:
 
     std::shared_ptr<Media::PixelMap> GetScreenSnapshot(DisplayId displayId);
     sptr<AbstractDisplay> GetAbstractDisplay(DisplayId displayId) const;
+    DisplayId GetDisplayIdByScreenId(ScreenId id) const;
+    std::vector<DisplayId> GetAllDisplayIds() const;
     void AddDisplayForExpandScreen(sptr<AbstractScreen> absScreen);
 
 private:
diff --git a/dmserver/include/display_manager_service.h b/dmserver/include/display_manager_service.h
index ee3dc6d9c8ab382736c857bc7bb56cbb68700b36..994f65a99203e1664ff32448b3fb5a2ab15fe8ba 100644
--- a/dmserver/include/display_manager_service.h
+++ b/dmserver/include/display_manager_service.h
@@ -86,6 +86,7 @@ public:
     sptr<ScreenInfo> GetScreenInfoById(ScreenId screenId) override;
     sptr<ScreenGroupInfo> GetScreenGroupInfoById(ScreenId screenId) override;
     std::vector<sptr<ScreenInfo>> GetAllScreenInfos() override;
+    std::vector<DisplayId> GetAllDisplayIds() const;
     DMError MakeExpand(std::vector<ScreenId> screenId, std::vector<Point> startPoint) override;
     bool SetScreenActiveMode(ScreenId screenId, uint32_t modeId) override;
 
diff --git a/dmserver/src/abstract_display_controller.cpp b/dmserver/src/abstract_display_controller.cpp
index d54d6fcab1da35234024781719af39cab5fa3d4e..2b9859c41f089d20dbfb9d078ee61d8cd9266680 100644
--- a/dmserver/src/abstract_display_controller.cpp
+++ b/dmserver/src/abstract_display_controller.cpp
@@ -86,6 +86,27 @@ sptr<AbstractDisplay> AbstractDisplayController::GetAbstractDisplay(DisplayId di
     return iter->second;
 }
 
+DisplayId AbstractDisplayController::GetDisplayIdByScreenId(ScreenId id) const
+{
+    for (auto iter = abstractDisplayMap_.begin(); iter != abstractDisplayMap_.end(); iter++) {
+        if (iter->second->GetAbstractScreenId() != id) {
+            continue;
+        }
+        return iter->first;
+    }
+    WLOGFE("Failed to get AbstractDisplayId by screenId %{public}" PRIu64", return nullptr!", id);
+    return DISPLAY_ID_INVALD;
+}
+
+std::vector<DisplayId> AbstractDisplayController::GetAllDisplayIds() const
+{
+    std::vector<DisplayId> res;
+    for (auto iter = abstractDisplayMap_.begin(); iter != abstractDisplayMap_.end(); iter++) {
+        res.push_back(iter->first);
+    }
+    return res;
+}
+
 std::shared_ptr<Media::PixelMap> AbstractDisplayController::GetScreenSnapshot(DisplayId displayId)
 {
     sptr<AbstractDisplay> abstractDisplay = GetAbstractDisplay(displayId);
diff --git a/dmserver/src/display_manager_service.cpp b/dmserver/src/display_manager_service.cpp
index 0e3c34e080cd93342ac7d8328fcab282cafce59f..a46ef7d6b7575868188999339e7bbac6406388e8 100644
--- a/dmserver/src/display_manager_service.cpp
+++ b/dmserver/src/display_manager_service.cpp
@@ -84,9 +84,9 @@ ScreenId DisplayManagerService::GetScreenIdFromDisplayId(DisplayId displayId)
 
 DisplayId DisplayManagerService::GetDefaultDisplayId()
 {
-    ScreenId screenId = abstractDisplayController_->GetDefaultScreenId();
-    WLOGFI("GetDefaultDisplayId %{public}" PRIu64"", screenId);
-    return GetDisplayIdFromScreenId(screenId);
+    ScreenId dmsScreenId = abstractScreenController_->GetDefaultAbstractScreenId();
+    WLOGFI("GetDefaultDisplayId %{public}" PRIu64"", dmsScreenId);
+    return abstractDisplayController_->GetDisplayIdByScreenId(dmsScreenId);
 }
 
 DisplayInfo DisplayManagerService::GetDisplayInfoById(DisplayId displayId)
@@ -446,6 +446,11 @@ sptr<ScreenGroupInfo> DisplayManagerService::GetScreenGroupInfoById(ScreenId scr
     return screenGroup->ConvertToScreenGroupInfo();
 }
 
+std::vector<DisplayId> DisplayManagerService::GetAllDisplayIds() const
+{
+    return abstractDisplayController_->GetAllDisplayIds();
+}
+
 std::vector<sptr<ScreenInfo>> DisplayManagerService::GetAllScreenInfos()
 {
     std::vector<ScreenId> screenIds = abstractScreenController_->GetAllScreenIds();
diff --git a/dmserver/src/display_manager_service_inner.cpp b/dmserver/src/display_manager_service_inner.cpp
index edaaa5cd4ec4fe75112d2c2904302cb7147f6ebf..96bacf5e38bf60b77606ca2328d508e3dd0e5f5f 100644
--- a/dmserver/src/display_manager_service_inner.cpp
+++ b/dmserver/src/display_manager_service_inner.cpp
@@ -50,14 +50,17 @@ const sptr<AbstractDisplay> DisplayManagerServiceInner::GetDisplayById(DisplayId
 
 const sptr<AbstractDisplay> DisplayManagerServiceInner::GetDefaultDisplay()
 {
+    DisplayId defaultDisplayId = GetDefaultDisplayId();
+    if (defaultDisplayId == DISPLAY_ID_INVALD) {
+        WLOGFE("Fail to get default displayId");
+        return nullptr;
+    }
     return GetDisplayById(GetDefaultDisplayId());
 }
 
 std::vector<DisplayId> DisplayManagerServiceInner::GetAllDisplayIds()
 {
-    std::vector<DisplayId> res;
-    res.push_back(GetDefaultDisplayId());
-    return res;
+    return DisplayManagerService::GetInstance().GetAllDisplayIds();
 }
 
 std::vector<const sptr<AbstractDisplay>> DisplayManagerServiceInner::GetAllDisplays()