diff --git a/interfaces/innerkits/wm/wm_common.h b/interfaces/innerkits/wm/wm_common.h
index 6a866ded..70058ca9 100644
--- a/interfaces/innerkits/wm/wm_common.h
+++ b/interfaces/innerkits/wm/wm_common.h
@@ -138,14 +138,7 @@ struct PointInfo {
 namespace {
     constexpr uint32_t SYSTEM_COLOR_WHITE = 0xE5FFFFFF;
     constexpr uint32_t SYSTEM_COLOR_BLACK = 0x66000000;
-    constexpr float DEFAULT_SPLIT_RATIO = 0.5;
-    constexpr uint32_t DIVIDER_WIDTH = 8;
     constexpr uint32_t INVALID_WINDOW_ID = 0;
-    constexpr uint32_t HOTZONE = 40;
-    constexpr uint32_t MIN_VERTICAL_FLOATING_WIDTH = 240;
-    constexpr uint32_t MIN_VERTICAL_FLOATING_HEIGHT = 426;
-    constexpr uint32_t MIN_VERTICAL_SPLIT_HEIGHT = 426;
-    constexpr uint32_t MIN_HORIZONTAL_SPLIT_WIDTH = 426;
 }
 
 struct SystemBarProperty {
diff --git a/utils/include/window_helper.h b/utils/include/window_helper.h
index f521d3be..9e822ae0 100644
--- a/utils/include/window_helper.h
+++ b/utils/include/window_helper.h
@@ -17,6 +17,7 @@
 #define OHOS_WM_INCLUDE_WM_HELPER_H
 
 #include <wm_common.h>
+#include <wm_common_inner.h>
 
 namespace OHOS {
 namespace Rosen {
@@ -79,15 +80,18 @@ public:
         return (r.posX_ == 0 && r.posY_ == 0 && r.width_ == 0 && r.height_ == 0);
     }
 
-    static Rect GetFixedWindowRectByMinRect(const Rect& oriDstRect, const Rect& lastRect, bool isVertical)
+    static Rect GetFixedWindowRectByMinRect(const Rect& oriDstRect, const Rect& lastRect, bool isVertical,
+        float virtualPixelRatio)
     {
+        uint32_t minVerticalFloatingW = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_WIDTH * virtualPixelRatio);
+        uint32_t minVerticalFloatingH = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_HEIGHT * virtualPixelRatio);
         Rect dstRect = oriDstRect;
         if (isVertical) {
-            dstRect.width_ = std::max(MIN_VERTICAL_FLOATING_WIDTH, oriDstRect.width_);
-            dstRect.height_ = std::max(MIN_VERTICAL_FLOATING_HEIGHT, oriDstRect.height_);
+            dstRect.width_ = std::max(minVerticalFloatingW, oriDstRect.width_);
+            dstRect.height_ = std::max(minVerticalFloatingH, oriDstRect.height_);
         } else {
-            dstRect.width_ = std::max(MIN_VERTICAL_FLOATING_HEIGHT, oriDstRect.width_);
-            dstRect.height_ = std::max(MIN_VERTICAL_FLOATING_WIDTH, oriDstRect.height_);
+            dstRect.width_ = std::max(minVerticalFloatingH, oriDstRect.width_);
+            dstRect.height_ = std::max(minVerticalFloatingW, oriDstRect.height_);
         }
 
         // limit position by fixed width or height
diff --git a/utils/include/wm_common_inner.h b/utils/include/wm_common_inner.h
index fda04fe8..369fd40d 100644
--- a/utils/include/wm_common_inner.h
+++ b/utils/include/wm_common_inner.h
@@ -44,6 +44,18 @@ enum class WindowUpdateReason : uint32_t {
     UPDATE_TYPE,
     UPDATE_OTHER_PROPS,
 };
+namespace {
+    constexpr float DEFAULT_SPLIT_RATIO = 0.5;
+    constexpr uint32_t DIVIDER_WIDTH = 8;
+    constexpr uint32_t WINDOW_TITLE_BAR_HEIGHT = 48;
+    constexpr uint32_t WINDOW_FRAME_WIDTH = 4;
+    constexpr uint32_t HOTZONE = 40;
+    constexpr uint32_t DIV_HOTZONE = 20;
+    constexpr uint32_t MIN_VERTICAL_FLOATING_WIDTH = 240;
+    constexpr uint32_t MIN_VERTICAL_FLOATING_HEIGHT = 426;
+    constexpr uint32_t MIN_VERTICAL_SPLIT_HEIGHT = 426;
+    constexpr uint32_t MIN_HORIZONTAL_SPLIT_WIDTH = 426;
+}
 }
 }
 #endif // OHOS_ROSEN_WM_COMMON_INNER_H
\ No newline at end of file
diff --git a/wm/test/systemtest/window_layout_test.cpp b/wm/test/systemtest/window_layout_test.cpp
index 9b5b381e..6bb5c15a 100644
--- a/wm/test/systemtest/window_layout_test.cpp
+++ b/wm/test/systemtest/window_layout_test.cpp
@@ -32,6 +32,7 @@ public:
     DisplayId displayId_ = 0;
     std::vector<sptr<Window>> activeWindows_;
     static vector<Rect> fullScreenExpecteds_;
+    static inline float virtualPixelRatio_ = 0.0;
 };
 
 vector<Rect> WindowLayoutTest::fullScreenExpecteds_;
@@ -47,6 +48,9 @@ void WindowLayoutTest::SetUpTestCase()
     }
     Rect displayRect = {0, 0, display->GetWidth(), display->GetHeight()};
     utils::InitByDisplayRect(displayRect);
+
+    virtualPixelRatio_ = WindowTestUtils::GetVirtualPixelRatio(0);
+
     // calc expected rects
     Rect expected = { // 0. only statusBar
         0,
@@ -110,7 +114,7 @@ HWTEST_F(WindowLayoutTest, LayoutWindow02, Function | MediumTest | Level3)
     activeWindows_.push_back(window);
 
     ASSERT_EQ(WMError::WM_OK, window->Show());
-    ASSERT_TRUE(utils::RectEqualTo(window, utils::GetFloatingLimitedRect(utils::customAppRect_)));
+    ASSERT_TRUE(utils::RectEqualTo(window, utils::GetFloatingLimitedRect(utils::customAppRect_, virtualPixelRatio_)));
     ASSERT_EQ(WMError::WM_OK, window->Hide());
 }
 
@@ -140,12 +144,12 @@ HWTEST_F(WindowLayoutTest, LayoutWindow04, Function | MediumTest | Level3)
     activeWindows_.push_back(statBar);
 
     ASSERT_EQ(WMError::WM_OK, appWin->Show());
-    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_)));
+    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_, virtualPixelRatio_)));
     ASSERT_EQ(WMError::WM_OK, statBar->Show());
-    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_)));
+    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_, virtualPixelRatio_)));
     ASSERT_TRUE(utils::RectEqualTo(statBar, utils::statusBarRect_));
     ASSERT_EQ(WMError::WM_OK, statBar->Hide());
-    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_)));
+    ASSERT_TRUE(utils::RectEqualTo(appWin, utils::GetFloatingLimitedRect(utils::customAppRect_, virtualPixelRatio_)));
 }
 
 /**
@@ -277,7 +281,7 @@ HWTEST_F(WindowLayoutTest, LayoutWindow09, Function | MediumTest | Level3)
 
     ASSERT_EQ(WMError::WM_OK, window->Resize(2u, 2u));        // 2: custom min size
     Rect finalExcept = { expect.posX_, expect.posY_, 2u, 2u}; // 2: custom min size
-    finalExcept = utils::GetFloatingLimitedRect(finalExcept);
+    finalExcept = utils::GetFloatingLimitedRect(finalExcept, virtualPixelRatio_);
     ASSERT_TRUE(utils::RectEqualTo(window, finalExcept));
     ASSERT_EQ(WMError::WM_OK, window->Hide());
 }
diff --git a/wm/test/systemtest/window_move_drag_test.cpp b/wm/test/systemtest/window_move_drag_test.cpp
index 38783803..fc033776 100644
--- a/wm/test/systemtest/window_move_drag_test.cpp
+++ b/wm/test/systemtest/window_move_drag_test.cpp
@@ -18,6 +18,7 @@
 #include "pointer_event.h"
 #include "window_helper.h"
 #include "window_test_utils.h"
+#include "wm_common_inner.h"
 using namespace testing;
 using namespace testing::ext;
 
@@ -54,6 +55,8 @@ private:
     static inline Rect startPointRect_  = {0, 0, 0, 0};
     static inline Rect expectRect_ = {0, 0, 0, 0};
     static inline sptr<Window> window_ = nullptr;
+    static inline float virtualPixelRatio_ = 0.0;
+    static inline uint32_t hotZone_ = 0;
 };
 
 void WindowMoveDragTest::SetUpTestCase()
@@ -83,6 +86,9 @@ void WindowMoveDragTest::SetUp()
     Rect displayRect = {0, 0, display->GetWidth(), display->GetHeight()};
     utils::InitByDisplayRect(displayRect);
 
+    virtualPixelRatio_ = WindowTestUtils::GetVirtualPixelRatio(0);
+    hotZone_ = static_cast<uint32_t>(HOTZONE * virtualPixelRatio_);
+
     winInfo_ = {
         .name = "Floating",
         .rect = {0, 0, 0, 0},
@@ -174,7 +180,7 @@ void WindowMoveDragTest::CalExpectRects()
         }
     }
     bool isVertical = (utils::displayRect_.width_ < utils::displayRect_.height_) ? true : false;
-    expectRect_ = WindowHelper::GetFixedWindowRectByMinRect(oriRect, startPointRect_, isVertical);
+    expectRect_ = WindowHelper::GetFixedWindowRectByMinRect(oriRect, startPointRect_, isVertical, virtualPixelRatio_);
 }
 
 namespace {
@@ -188,10 +194,10 @@ HWTEST_F(WindowMoveDragTest, DragWindow01, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ - HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ - hotZone_ * POINT_HOTZONE_RATIO;
     startPointY_ = startPointRect_.posY_ + startPointRect_.height_ * POINT_HOTZONE_RATIO;
-    pointX_ = startPointRect_.posX_ + HOTZONE * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + hotZone_ * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -206,11 +212,11 @@ HWTEST_F(WindowMoveDragTest, DragWindow02, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ - HOTZONE * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ - HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ - hotZone_ * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ - hotZone_ * POINT_HOTZONE_RATIO;
 
-    pointX_ = startPointRect_.posX_ + HOTZONE * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + hotZone_ * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -225,11 +231,11 @@ HWTEST_F(WindowMoveDragTest, DragWindow03, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ - HOTZONE * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ - hotZone_ * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * POINT_HOTZONE_RATIO;
 
-    pointX_ = startPointRect_.posX_ + HOTZONE * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + hotZone_ * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -244,10 +250,10 @@ HWTEST_F(WindowMoveDragTest, DragWindow04, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * POINT_HOTZONE_RATIO;
     startPointY_ = startPointRect_.posY_ + startPointRect_.height_ * POINT_HOTZONE_RATIO;
 
-    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * DRAG_HOTZONE_RATIO;
     pointY_ = startPointRect_.posY_ + startPointRect_.height_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
@@ -263,11 +269,11 @@ HWTEST_F(WindowMoveDragTest, DragWindow05, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ - HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ - hotZone_ * POINT_HOTZONE_RATIO;
 
-    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -282,11 +288,11 @@ HWTEST_F(WindowMoveDragTest, DragWindow06, Function | MediumTest | Level3)
 {
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
-    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * POINT_HOTZONE_RATIO;
+    startPointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * POINT_HOTZONE_RATIO;
 
-    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + HOTZONE * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointX_ = startPointRect_.posX_ + startPointRect_.width_ + hotZone_ * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -302,10 +308,10 @@ HWTEST_F(WindowMoveDragTest, DragWindow07, Function | MediumTest | Level3)
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
     startPointX_ = startPointRect_.posX_ + startPointRect_.width_ * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ - HOTZONE * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ - hotZone_ * POINT_HOTZONE_RATIO;
 
     pointX_ = startPointRect_.posX_ + startPointRect_.width_ * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ - HOTZONE * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ - hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -321,10 +327,10 @@ HWTEST_F(WindowMoveDragTest, DragWindow08, Function | MediumTest | Level3)
     ASSERT_EQ(WMError::WM_OK, window_->Show());
     startPointRect_ = window_->GetRect();
     startPointX_ = startPointRect_.posX_ + startPointRect_.width_ * POINT_HOTZONE_RATIO;
-    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * POINT_HOTZONE_RATIO;
+    startPointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * POINT_HOTZONE_RATIO;
 
     pointX_ = startPointRect_.posX_ + startPointRect_.width_ * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -343,7 +349,7 @@ HWTEST_F(WindowMoveDragTest, DragWindow09, Function | MediumTest | Level3)
     startPointY_ = startPointRect_.posY_ + 1;
 
     pointX_ = startPointRect_.posX_ + startPointRect_.width_ * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + startPointRect_.height_ + hotZone_ * DRAG_HOTZONE_RATIO;
     DoMoveOrDrag();
     ASSERT_EQ(WMError::WM_OK, window_->Hide());
 }
@@ -362,7 +368,7 @@ HWTEST_F(WindowMoveDragTest, DragWindow10, Function | MediumTest | Level3)
     startPointY_ = startPointRect_.posY_ + 1;
 
     pointX_ = startPointRect_.posX_ + startPointRect_.width_ * DRAG_HOTZONE_RATIO;
-    pointY_ = startPointRect_.posY_ + HOTZONE * DRAG_HOTZONE_RATIO;
+    pointY_ = startPointRect_.posY_ + hotZone_ * DRAG_HOTZONE_RATIO;
     window_->StartMove();
     hasStartMove_ = true;
     DoMoveOrDrag();
diff --git a/wm/test/systemtest/window_test_utils.cpp b/wm/test/systemtest/window_test_utils.cpp
index 23fa2b83..3f7b91dd 100644
--- a/wm/test/systemtest/window_test_utils.cpp
+++ b/wm/test/systemtest/window_test_utils.cpp
@@ -15,6 +15,7 @@
 
 #include "window_test_utils.h"
 #include <ability_context.h>
+#include "wm_common_inner.h"
 namespace OHOS {
 namespace Rosen {
 namespace {
@@ -123,13 +124,18 @@ Rect WindowTestUtils::GetDefaultFoatingRect(const sptr<Window>& window)
     return resRect;
 }
 
-Rect WindowTestUtils::GetLimitedDecoRect(const Rect& rect)
+Rect WindowTestUtils::GetLimitedDecoRect(const Rect& rect, float virtualPixelRatio)
 {
-    constexpr uint32_t winFrameH = 52u;
-    constexpr uint32_t winFrameW = 8u;
+    constexpr uint32_t windowTitleBarHeight = 48;
+    constexpr uint32_t windowFrameWidth = 4;
+    uint32_t winFrameH = static_cast<uint32_t>((windowTitleBarHeight + windowFrameWidth) * virtualPixelRatio);
+    uint32_t winFrameW = static_cast<uint32_t>((windowFrameWidth + windowFrameWidth) * virtualPixelRatio);
+    uint32_t minVerticalFloatingW = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_WIDTH * virtualPixelRatio);
+    uint32_t minVerticalFloatingH = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_HEIGHT * virtualPixelRatio);
+
     bool vertical = displayRect_.width_ < displayRect_.height_;
-    uint32_t minFloatingW = vertical ? MIN_VERTICAL_FLOATING_WIDTH : MIN_VERTICAL_FLOATING_HEIGHT;
-    uint32_t minFloatingH = vertical ? MIN_VERTICAL_FLOATING_HEIGHT : MIN_VERTICAL_FLOATING_WIDTH;
+    uint32_t minFloatingW = vertical ? minVerticalFloatingW : minVerticalFloatingH;
+    uint32_t minFloatingH = vertical ? minVerticalFloatingH : minVerticalFloatingW;
     Rect resRect = {
         rect.posX_,
         rect.posY_,
@@ -139,11 +145,14 @@ Rect WindowTestUtils::GetLimitedDecoRect(const Rect& rect)
     return resRect;
 }
 
-Rect WindowTestUtils::GetFloatingLimitedRect(const Rect& rect)
+Rect WindowTestUtils::GetFloatingLimitedRect(const Rect& rect, float virtualPixelRatio)
 {
+    uint32_t minVerticalFloatingW = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_WIDTH * virtualPixelRatio);
+    uint32_t minVerticalFloatingH = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_HEIGHT * virtualPixelRatio);
     bool vertical = displayRect_.width_ < displayRect_.height_;
-    uint32_t minFloatingW = vertical ? MIN_VERTICAL_FLOATING_WIDTH : MIN_VERTICAL_FLOATING_HEIGHT;
-    uint32_t minFloatingH = vertical ? MIN_VERTICAL_FLOATING_HEIGHT : MIN_VERTICAL_FLOATING_WIDTH;
+
+    uint32_t minFloatingW = vertical ? minVerticalFloatingW : minVerticalFloatingH;
+    uint32_t minFloatingH = vertical ? minVerticalFloatingH : minVerticalFloatingW;
     Rect resRect = {
         rect.posX_,
         rect.posY_,
@@ -257,18 +266,21 @@ void WindowTestUtils::InitSplitRects()
     displayRect_ = displayRect;
     limitDisplayRect_ = displayRect;
 
+    float virtualPixelRatio = WindowTestUtils::GetVirtualPixelRatio(0);
+    uint32_t dividerWidth = static_cast<uint32_t>(DIVIDER_WIDTH * virtualPixelRatio);
+
     if (displayRect_.width_ < displayRect_.height_) {
         isVerticalDisplay_ = true;
     }
     if (isVerticalDisplay_) {
         splitRects_.dividerRect = { 0,
-                                    static_cast<uint32_t>((displayRect_.height_ - DIVIDER_WIDTH) * DEFAULT_SPLIT_RATIO),
+                                    static_cast<uint32_t>((displayRect_.height_ - dividerWidth) * DEFAULT_SPLIT_RATIO),
                                     displayRect_.width_,
-                                    DIVIDER_WIDTH, };
+                                    dividerWidth, };
     } else {
-        splitRects_.dividerRect = { static_cast<uint32_t>((displayRect_.width_ - DIVIDER_WIDTH) * DEFAULT_SPLIT_RATIO),
+        splitRects_.dividerRect = { static_cast<uint32_t>((displayRect_.width_ - dividerWidth) * DEFAULT_SPLIT_RATIO),
                                     0,
-                                    DIVIDER_WIDTH,
+                                    dividerWidth,
                                     displayRect_.height_ };
     }
 }
@@ -374,5 +386,17 @@ void WindowTestUtils::UpdateLimitSplitRect(Rect& limitSplitRect)
                                       curLimitRect.posY_ + curLimitRect.height_) -
                                       limitSplitRect.posY_;
 }
+
+float WindowTestUtils::GetVirtualPixelRatio(DisplayId displayId)
+{
+    auto display = DisplayManager::GetInstance().GetDisplayById(displayId);
+    if (display == nullptr) {
+        WLOGFE("GetVirtualPixel fail. Get display fail. displayId:%{public}" PRIu64", vpr:%{public}f", displayId, 0.0);
+        return 0.0;
+    }
+    float virtualPixelRatio = display->GetVirtualPixelRatio();
+    WLOGFI("GetVirtualPixel success. displayId:%{public}" PRIu64", vpr:%{public}f", displayId, virtualPixelRatio);
+    return virtualPixelRatio;
+}
 } // namespace ROSEN
 } // namespace OHOS
diff --git a/wm/test/systemtest/window_test_utils.h b/wm/test/systemtest/window_test_utils.h
index 2742aa30..5234262b 100644
--- a/wm/test/systemtest/window_test_utils.h
+++ b/wm/test/systemtest/window_test_utils.h
@@ -66,9 +66,10 @@ public:
     static void UpdateSplitRects(const sptr<Window>& window);
     static bool RectEqualToRect(const Rect& l, const Rect& r);
     static Rect GetDefaultFoatingRect(const sptr<Window>& window);
-    static Rect GetLimitedDecoRect(const Rect& rect);
-    static Rect GetFloatingLimitedRect(const Rect& rect);
+    static Rect GetLimitedDecoRect(const Rect& rect, float virtualPixelRatio);
+    static Rect GetFloatingLimitedRect(const Rect& rect, float virtualPixelRatio);
     static void InitTileWindowRects(const sptr<Window>& window);
+    static float GetVirtualPixelRatio(DisplayId displayId);
 
 private:
     void UpdateLimitDisplayRect(Rect& avoidRect);
diff --git a/wmserver/BUILD.gn b/wmserver/BUILD.gn
index 1f438fb3..7224420b 100644
--- a/wmserver/BUILD.gn
+++ b/wmserver/BUILD.gn
@@ -75,6 +75,7 @@ ohos_shared_library("libwms") {
     ":window_divider_image",
     "//foundation/ace/ace_engine/build/external_config/flutter/skia:ace_skia_ohos",
     "//foundation/graphic/standard/rosen/modules/render_service_client:librender_service_client",
+    "//foundation/windowmanager/dm:libdm",
     "//foundation/windowmanager/dmserver:libdms",
     "//foundation/windowmanager/utils:libwmutil",
     "//foundation/windowmanager/wm:libwm",
diff --git a/wmserver/include/window_layout_policy.h b/wmserver/include/window_layout_policy.h
index d2b0fc7a..20738683 100644
--- a/wmserver/include/window_layout_policy.h
+++ b/wmserver/include/window_layout_policy.h
@@ -50,6 +50,7 @@ public:
     virtual void UpdateWindowNode(sptr<WindowNode>& node);
     virtual void UpdateLayoutRect(sptr<WindowNode>& node) = 0;
     void UpdateDefaultFoatingRect();
+    float GetVirtualPixelRatio() const;
 
 protected:
     const Rect& displayRect_;
@@ -66,6 +67,7 @@ protected:
     void UpdateLimitRect(const sptr<WindowNode>& node, Rect& limitRect);
     virtual void LayoutWindowNode(sptr<WindowNode>& node);
     AvoidPosType GetAvoidPosType(const Rect& rect);
+    void CalcAndSetNodeHotZone(Rect layoutOutRect, sptr<WindowNode>& node);
     void LimitWindowSize(const sptr<WindowNode>& node, const Rect& displayRect, Rect& winRect);
     void SetRectForFloating(const sptr<WindowNode>& node);
     Rect ComputeDecoratedWindowRect(const Rect& winRect);
diff --git a/wmserver/include/window_node.h b/wmserver/include/window_node.h
index 863b89eb..00cdf28b 100644
--- a/wmserver/include/window_node.h
+++ b/wmserver/include/window_node.h
@@ -42,6 +42,7 @@ public:
 
     void SetDisplayId(DisplayId displayId);
     void SetLayoutRect(const Rect& rect);
+    void SetHotZoneRect(const Rect& rect);
     void SetWindowRect(const Rect& rect);
     void SetWindowProperty(const sptr<WindowProperty>& property);
     void SetSystemBarProperty(WindowType type, const SystemBarProperty& property);
@@ -81,6 +82,7 @@ private:
     sptr<WindowProperty> property_;
     sptr<IWindow> windowToken_;
     Rect layoutRect_ { 0, 0, 0, 0 };
+    Rect hotZoneRect_ { 0, 0, 0, 0 };
     int32_t callingPid_;
     int32_t callingUid_;
     WindowSizeChangeReason windowSizeChangeReason_ {WindowSizeChangeReason::UNDEFINED};
diff --git a/wmserver/include/window_node_container.h b/wmserver/include/window_node_container.h
index e345ecaf..6dc7ef72 100644
--- a/wmserver/include/window_node_container.h
+++ b/wmserver/include/window_node_container.h
@@ -66,6 +66,7 @@ public:
     sptr<WindowNode> GetBelowAppWindowNode() const;
     sptr<WindowNode> GetAppWindowNode() const;
     sptr<WindowNode> GetAboveAppWindowNode() const;
+    float GetVirtualPixelRatio() const;
 
 private:
     void AssignZOrder(sptr<WindowNode>& node);
diff --git a/wmserver/include/window_root.h b/wmserver/include/window_root.h
index 4cd0b5f3..b1525014 100644
--- a/wmserver/include/window_root.h
+++ b/wmserver/include/window_root.h
@@ -62,6 +62,7 @@ public:
     void NotifyDisplayDestory(DisplayId displayId);
     void NotifySystemBarTints();
     WMError RaiseZOrderForAppWindow(sptr<WindowNode>& node);
+    float GetVirtualPixelRatio(DisplayId displayId) const;
 
 private:
     void OnRemoteDied(const sptr<IRemoteObject>& remoteObject);
diff --git a/wmserver/src/window_controller.cpp b/wmserver/src/window_controller.cpp
index 6300f04f..7faa0cd5 100644
--- a/wmserver/src/window_controller.cpp
+++ b/wmserver/src/window_controller.cpp
@@ -140,8 +140,9 @@ WMError WindowController::ResizeRect(uint32_t windowId, const Rect& rect, Window
     } else if (reason == WindowSizeChangeReason::DRAG) {
         if (WindowHelper::IsMainFloatingWindow(node->GetWindowType(), node->GetWindowMode())) {
             // fix rect in case of moving window when dragging
-            newRect = WindowHelper::GetFixedWindowRectByMinRect(rect,
-                property->GetWindowRect(), windowRoot_->isVerticalDisplay(node));
+            float virtualPixelRatio = windowRoot_->GetVirtualPixelRatio(node->GetDisplayId());
+            newRect = WindowHelper::GetFixedWindowRectByMinRect(rect, property->GetWindowRect(),
+                windowRoot_->isVerticalDisplay(node), virtualPixelRatio);
         } else {
             newRect = rect;
         }
@@ -274,7 +275,7 @@ void WindowController::ProcessDisplayChange(DisplayId displayId, DisplayStateCha
         WLOGFE("get display failed displayId:%{public}" PRId64 "", displayId);
         return;
     }
-    
+
     switch (type) {
         case DisplayStateChangeType::UPDATE_ROTATION: {
             windowRoot_->NotifyDisplayChange(abstractDisplay);
diff --git a/wmserver/src/window_layout_policy.cpp b/wmserver/src/window_layout_policy.cpp
index 3ec0e274..a3ccfb89 100644
--- a/wmserver/src/window_layout_policy.cpp
+++ b/wmserver/src/window_layout_policy.cpp
@@ -14,16 +14,16 @@
  */
 
 #include "window_layout_policy.h"
+#include "display_manager.h"
 #include "window_helper.h"
 #include "window_manager_hilog.h"
+#include "wm_common_inner.h"
 #include "wm_trace.h"
 
 namespace OHOS {
 namespace Rosen {
 namespace {
     constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_WINDOW, "WindowLayoutPolicy"};
-    constexpr uint32_t WINDOW_TITLE_BAR_HEIGHT = 48;
-    constexpr uint32_t WINDOW_FRAME_WIDTH = 4;
 }
 WindowLayoutPolicy::WindowLayoutPolicy(const Rect& displayRect, const uint64_t& screenId,
     sptr<WindowNode>& belowAppNode, sptr<WindowNode>& appNode, sptr<WindowNode>& aboveAppNode)
@@ -115,11 +115,14 @@ void WindowLayoutPolicy::UpdateDefaultFoatingRect()
 
 void WindowLayoutPolicy::SetRectForFloating(const sptr<WindowNode>& node)
 {
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t winFrameW = static_cast<uint32_t>(WINDOW_FRAME_WIDTH * virtualPixelRatio);
+    uint32_t winTitleBarH = static_cast<uint32_t>(WINDOW_TITLE_BAR_HEIGHT * virtualPixelRatio);
     // deduct decor size
     Rect rect = defaultFloatingRect_;
     if (node->GetWindowProperty()->GetDecorEnable()) {
-        rect.width_ -= (WINDOW_FRAME_WIDTH + WINDOW_FRAME_WIDTH);
-        rect.height_ -= (WINDOW_TITLE_BAR_HEIGHT + WINDOW_FRAME_WIDTH);
+        rect.width_ -= (winFrameW + winFrameW);
+        rect.height_ -= (winTitleBarH + winFrameW);
     }
 
     node->SetWindowRect(rect);
@@ -174,11 +177,15 @@ void WindowLayoutPolicy::UpdateFloatingLayoutRect(Rect& limitRect, Rect& winRect
 
 Rect WindowLayoutPolicy::ComputeDecoratedWindowRect(const Rect& winRect)
 {
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t winFrameW = static_cast<uint32_t>(WINDOW_FRAME_WIDTH * virtualPixelRatio);
+    uint32_t winTitleBarH = static_cast<uint32_t>(WINDOW_TITLE_BAR_HEIGHT * virtualPixelRatio);
+
     Rect rect;
     rect.posX_ = winRect.posX_;
     rect.posY_ = winRect.posY_;
-    rect.width_ = winRect.width_ + WINDOW_FRAME_WIDTH + WINDOW_FRAME_WIDTH;
-    rect.height_ = winRect.height_ + WINDOW_TITLE_BAR_HEIGHT + WINDOW_FRAME_WIDTH;
+    rect.width_ = winRect.width_ + winFrameW + winFrameW;
+    rect.height_ = winRect.height_ + winTitleBarH + winFrameW;
     return rect;
 }
 
@@ -221,14 +228,44 @@ void WindowLayoutPolicy::UpdateLayoutRect(sptr<WindowNode>& node)
     LimitWindowSize(node, displayRect, winRect);
 
     node->SetLayoutRect(winRect);
+    CalcAndSetNodeHotZone(winRect, node);
     if (!(lastRect == winRect)) {
         node->GetWindowToken()->UpdateWindowRect(winRect, node->GetWindowSizeChangeReason());
         node->surfaceNode_->SetBounds(winRect.posX_, winRect.posY_, winRect.width_, winRect.height_);
     }
 }
 
+void WindowLayoutPolicy::CalcAndSetNodeHotZone(Rect layoutOutRect, sptr<WindowNode>& node)
+{
+    Rect rect = layoutOutRect;
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t hotZone = static_cast<uint32_t>(HOTZONE * virtualPixelRatio);
+    uint32_t divHotZone = static_cast<uint32_t>(DIV_HOTZONE * virtualPixelRatio);
+
+    if (node->GetWindowType() == WindowType::WINDOW_TYPE_DOCK_SLICE) {
+        if (rect.width_ < rect.height_) {
+            rect.posX_ -= divHotZone;
+            rect.width_ += (divHotZone + divHotZone);
+        } else {
+            rect.posY_ -= divHotZone;
+            rect.height_ += (divHotZone + divHotZone);
+        }
+    } else if (WindowHelper::IsMainFloatingWindow(node->GetWindowType(), node->GetWindowMode())) {
+        rect.posX_ -= hotZone;
+        rect.posY_ -= hotZone;
+        rect.width_ += (hotZone + hotZone);
+        rect.height_ += (hotZone + hotZone);
+    }
+    node->SetHotZoneRect(rect);
+}
+
 void WindowLayoutPolicy::LimitWindowSize(const sptr<WindowNode>& node, const Rect& displayRect, Rect& winRect)
 {
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t minVerticalFloatingW = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_WIDTH * virtualPixelRatio);
+    uint32_t minVerticalFloatingH = static_cast<uint32_t>(MIN_VERTICAL_FLOATING_HEIGHT * virtualPixelRatio);
+    uint32_t windowTitleBarH = static_cast<uint32_t>(WINDOW_TITLE_BAR_HEIGHT * virtualPixelRatio);
+
     WindowType windowType = node->GetWindowType();
     WindowMode windowMode = node->GetWindowMode();
     bool isVertical = (displayRect.height_ > displayRect.width_) ? true : false;
@@ -238,16 +275,16 @@ void WindowLayoutPolicy::LimitWindowSize(const sptr<WindowNode>& node, const Rec
     }
     if ((windowMode == WindowMode::WINDOW_MODE_FLOATING) && !WindowHelper::IsSystemWindow(windowType)) {
         if (isVertical) {
-            winRect.width_ = std::max(MIN_VERTICAL_FLOATING_WIDTH, winRect.width_);
-            winRect.height_ = std::max(MIN_VERTICAL_FLOATING_HEIGHT, winRect.height_);
+            winRect.width_ = std::max(minVerticalFloatingW, winRect.width_);
+            winRect.height_ = std::max(minVerticalFloatingH, winRect.height_);
         } else {
-            winRect.width_ = std::max(MIN_VERTICAL_FLOATING_HEIGHT, winRect.width_);
-            winRect.height_ = std::max(MIN_VERTICAL_FLOATING_WIDTH, winRect.height_);
+            winRect.width_ = std::max(minVerticalFloatingH, winRect.width_);
+            winRect.height_ = std::max(minVerticalFloatingW, winRect.height_);
         }
     }
     if (WindowHelper::IsMainFloatingWindow(windowType, windowMode)) {
         winRect.posY_ = std::max(limitRect_.posY_, winRect.posY_);
-        winRect.posY_ = std::min(limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - WINDOW_TITLE_BAR_HEIGHT),
+        winRect.posY_ = std::min(limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - windowTitleBarH),
                                  winRect.posY_);
     }
 }
@@ -314,5 +351,17 @@ void WindowLayoutPolicy::UpdateLimitRect(const sptr<WindowNode>& node, Rect& lim
 void WindowLayoutPolicy::Reset()
 {
 }
+
+float WindowLayoutPolicy::GetVirtualPixelRatio() const
+{
+    auto display = DisplayManager::GetInstance().GetDisplayById(screenId_);
+    if (display == nullptr) {
+        WLOGFE("GetVirtualPixel fail. Get display fail. displayId:%{public}" PRIu64", use Default vpr:1.0", screenId_);
+        return 1.0;  // Use DefaultVPR 1.0
+    }
+    float virtualPixelRatio = display->GetVirtualPixelRatio();
+    WLOGFI("GetVirtualPixel success. displayId:%{public}" PRIu64", vpr:%{public}f", screenId_, virtualPixelRatio);
+    return virtualPixelRatio;
+}
 }
 }
diff --git a/wmserver/src/window_layout_policy_cascade.cpp b/wmserver/src/window_layout_policy_cascade.cpp
index 490449df..3854543b 100644
--- a/wmserver/src/window_layout_policy_cascade.cpp
+++ b/wmserver/src/window_layout_policy_cascade.cpp
@@ -17,6 +17,7 @@
 #include "window_helper.h"
 #include "window_inner_manager.h"
 #include "window_manager_hilog.h"
+#include "wm_common_inner.h"
 #include "wm_trace.h"
 
 namespace OHOS {
@@ -130,19 +131,23 @@ static bool IsLayoutChanged(const Rect& l, const Rect& r)
 
 void WindowLayoutPolicyCascade::LimitMoveBounds(Rect& rect)
 {
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t minHorizontalSplitW = static_cast<uint32_t>(MIN_HORIZONTAL_SPLIT_WIDTH * virtualPixelRatio);
+    uint32_t minVerticalSplitH = static_cast<uint32_t>(MIN_VERTICAL_SPLIT_HEIGHT * virtualPixelRatio);
+
     if (rect.width_ < rect.height_) {
-        if (rect.posX_ < (limitRect_.posX_ + static_cast<int32_t>(MIN_HORIZONTAL_SPLIT_WIDTH))) {
-            rect.posX_ = limitRect_.posX_ + static_cast<int32_t>(MIN_HORIZONTAL_SPLIT_WIDTH);
+        if (rect.posX_ < (limitRect_.posX_ + static_cast<int32_t>(minHorizontalSplitW))) {
+            rect.posX_ = limitRect_.posX_ + static_cast<int32_t>(minHorizontalSplitW);
         } else if (rect.posX_ >
-            (limitRect_.posX_ + limitRect_.width_ - static_cast<int32_t>(MIN_HORIZONTAL_SPLIT_WIDTH))) {
-            rect.posX_ = limitRect_.posX_ + static_cast<int32_t>(limitRect_.width_ - MIN_HORIZONTAL_SPLIT_WIDTH);
+            (limitRect_.posX_ + limitRect_.width_ - static_cast<int32_t>(minHorizontalSplitW))) {
+            rect.posX_ = limitRect_.posX_ + static_cast<int32_t>(limitRect_.width_ - minHorizontalSplitW);
         }
     } else {
-        if (rect.posY_ < (limitRect_.posY_ + static_cast<int32_t>(MIN_VERTICAL_SPLIT_HEIGHT))) {
-            rect.posY_ = limitRect_.posY_ + static_cast<int32_t>(MIN_VERTICAL_SPLIT_HEIGHT);
+        if (rect.posY_ < (limitRect_.posY_ + static_cast<int32_t>(minVerticalSplitH))) {
+            rect.posY_ = limitRect_.posY_ + static_cast<int32_t>(minVerticalSplitH);
         } else if (rect.posY_ >
-            (limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - MIN_VERTICAL_SPLIT_HEIGHT))) {
-            rect.posY_ = limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - MIN_VERTICAL_SPLIT_HEIGHT);
+            (limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - minVerticalSplitH))) {
+            rect.posY_ = limitRect_.posY_ + static_cast<int32_t>(limitRect_.height_ - minVerticalSplitH);
         }
     }
 }
@@ -215,6 +220,7 @@ void WindowLayoutPolicyCascade::UpdateLayoutRect(sptr<WindowNode>& node)
     }
 
     node->SetLayoutRect(winRect);
+    CalcAndSetNodeHotZone(winRect, node);
     if (IsLayoutChanged(lastRect, winRect)) {
         node->GetWindowToken()->UpdateWindowRect(winRect, node->GetWindowSizeChangeReason());
         node->surfaceNode_->SetBounds(winRect.posX_, winRect.posY_, winRect.width_, winRect.height_);
@@ -265,12 +271,15 @@ void WindowLayoutPolicyCascade::UpdateSplitLimitRect(const Rect& limitRect, Rect
 
 void WindowLayoutPolicyCascade::InitSplitRects()
 {
+    float virtualPixelRatio = GetVirtualPixelRatio();
+    uint32_t dividerWidth = static_cast<uint32_t>(DIVIDER_WIDTH * virtualPixelRatio);
+
     if (!IsVertical()) {
-        dividerRect_ = { static_cast<uint32_t>((displayRect_.width_ - DIVIDER_WIDTH) * DEFAULT_SPLIT_RATIO), 0,
-                DIVIDER_WIDTH, displayRect_.height_ };
+        dividerRect_ = { static_cast<uint32_t>((displayRect_.width_ - dividerWidth) * DEFAULT_SPLIT_RATIO), 0,
+                dividerWidth, displayRect_.height_ };
     } else {
-        dividerRect_ = { 0, static_cast<uint32_t>((displayRect_.height_ - DIVIDER_WIDTH) * DEFAULT_SPLIT_RATIO),
-               displayRect_.width_, DIVIDER_WIDTH };
+        dividerRect_ = { 0, static_cast<uint32_t>((displayRect_.height_ - dividerWidth) * DEFAULT_SPLIT_RATIO),
+               displayRect_.width_, dividerWidth };
     }
     WLOGFI("init dividerRect :[%{public}d, %{public}d, %{public}u, %{public}u]",
         dividerRect_.posX_, dividerRect_.posY_, dividerRect_.width_, dividerRect_.height_);
diff --git a/wmserver/src/window_layout_policy_tile.cpp b/wmserver/src/window_layout_policy_tile.cpp
index 073ada6a..9c24ada2 100644
--- a/wmserver/src/window_layout_policy_tile.cpp
+++ b/wmserver/src/window_layout_policy_tile.cpp
@@ -99,6 +99,7 @@ void WindowLayoutPolicyTile::LayoutForegroundNodeQueue()
         Rect lastRect = node->GetLayoutRect();
         Rect winRect = node->GetWindowProperty()->GetWindowRect();
         node->SetLayoutRect(winRect);
+        CalcAndSetNodeHotZone(winRect, node);
         if (!(lastRect == winRect)) {
             node->GetWindowToken()->UpdateWindowRect(winRect, node->GetWindowSizeChangeReason());
             node->surfaceNode_->SetBounds(winRect.posX_, winRect.posY_, winRect.width_, winRect.height_);
@@ -204,6 +205,7 @@ void WindowLayoutPolicyTile::UpdateLayoutRect(sptr<WindowNode>& node)
     }
     LimitWindowSize(node, displayRect, winRect);
     node->SetLayoutRect(winRect);
+    CalcAndSetNodeHotZone(winRect, node);
     if (!(lastRect == winRect)) {
         node->GetWindowToken()->UpdateWindowRect(winRect, node->GetWindowSizeChangeReason());
         node->surfaceNode_->SetBounds(winRect.posX_, winRect.posY_, winRect.width_, winRect.height_);
diff --git a/wmserver/src/window_node.cpp b/wmserver/src/window_node.cpp
index 44d6ef9d..23d8f4dd 100644
--- a/wmserver/src/window_node.cpp
+++ b/wmserver/src/window_node.cpp
@@ -32,6 +32,11 @@ void WindowNode::SetLayoutRect(const Rect& rect)
     layoutRect_ = rect;
 }
 
+void WindowNode::SetHotZoneRect(const Rect& rect)
+{
+    hotZoneRect_ = rect;
+}
+
 void WindowNode::SetWindowRect(const Rect& rect)
 {
     property_->SetWindowRect(rect);
@@ -128,23 +133,7 @@ const Rect& WindowNode::GetLayoutRect() const
 
 Rect WindowNode::GetHotZoneRect() const
 {
-    Rect rect = layoutRect_;
-    if (GetWindowType() == WindowType::WINDOW_TYPE_DOCK_SLICE) {
-        const int32_t divHotZone = 20;
-        if (rect.width_ < rect.height_) {
-            rect.posX_ -= divHotZone;
-            rect.width_ += (divHotZone + divHotZone);
-        } else {
-            rect.posY_ -= divHotZone;
-            rect.height_ += (divHotZone + divHotZone);
-        }
-    } else if (WindowHelper::IsMainFloatingWindow(GetWindowType(), GetWindowMode())) {
-        rect.posX_ -= HOTZONE;
-        rect.posY_ -= HOTZONE;
-        rect.width_ += (HOTZONE + HOTZONE);
-        rect.height_ += (HOTZONE + HOTZONE);
-    }
-    return rect;
+    return hotZoneRect_;
 }
 
 WindowType WindowNode::GetWindowType() const
diff --git a/wmserver/src/window_node_container.cpp b/wmserver/src/window_node_container.cpp
index b247eb22..776e34f8 100644
--- a/wmserver/src/window_node_container.cpp
+++ b/wmserver/src/window_node_container.cpp
@@ -29,6 +29,7 @@
 #include "window_manager_agent_controller.h"
 #include "window_manager_hilog.h"
 #include "wm_common.h"
+#include "wm_common_inner.h"
 #include "wm_trace.h"
 
 namespace OHOS {
@@ -1061,6 +1062,11 @@ sptr<WindowNode> WindowNodeContainer::GetAboveAppWindowNode() const
     return aboveAppWindowNode_;
 }
 
+float WindowNodeContainer::GetVirtualPixelRatio() const
+{
+    return layoutPolicy_->GetVirtualPixelRatio();
+}
+
 namespace {
     const char DISABLE_WINDOW_ANIMATION_PATH[] = "/etc/disable_window_animation";
 }
diff --git a/wmserver/src/window_root.cpp b/wmserver/src/window_root.cpp
index 49d1646b..5a18a646 100644
--- a/wmserver/src/window_root.cpp
+++ b/wmserver/src/window_root.cpp
@@ -477,5 +477,11 @@ void WindowRoot::NotifyDisplayDestory(DisplayId expandDisplayId)
     defaultDisplaycontainer->MoveWindowNode(expandDisplaycontainer);
     NotifyDisplayRemoved(expandDisplayId);
 }
+
+float WindowRoot::GetVirtualPixelRatio(DisplayId displayId) const
+{
+    auto container = const_cast<WindowRoot*>(this)->GetOrCreateWindowNodeContainer(displayId);
+    return container->GetVirtualPixelRatio();
+}
 }
 }