diff --git a/qt6/src/qml/OutsideBoxBorder.qml b/qt6/src/qml/OutsideBoxBorder.qml
index 04cad6821..da1cb6ab8 100644
--- a/qt6/src/qml/OutsideBoxBorder.qml
+++ b/qt6/src/qml/OutsideBoxBorder.qml
@@ -3,9 +3,10 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 import QtQuick
+import QtQuick.Window
 
 Item {
-    property real borderWidth: 1
+    property real borderWidth: 1 / Screen.devicePixelRatio
     property color color: "white"
     property real radius: 0
 
diff --git a/qt6/src/shaders_ng/quickitemviewport-opaque.frag b/qt6/src/shaders_ng/quickitemviewport-opaque.frag
index f062bc1a9..fb50238a3 100644
--- a/qt6/src/shaders_ng/quickitemviewport-opaque.frag
+++ b/qt6/src/shaders_ng/quickitemviewport-opaque.frag
@@ -38,12 +38,12 @@ void main()
     lowp vec4 mask_bottom_left = texture(mask, tex_bottom_left);
     lowp vec4 mask_top_right = texture(mask, tex_top_right);
     lowp vec4 mask_bottom_right = texture(mask, tex_bottom_right);
-    lowp vec4 mask_tex = mask_top_left * mask_bottom_left * mask_top_right * mask_bottom_right;
+    lowp float mask_alpha = min(min(mask_top_left.a, mask_bottom_left.a), min(mask_top_right.a, mask_bottom_right.a));
 
-    if (mask_tex.a == 0.0)
+    if (mask_alpha == 0.0)
         discard;
 
     lowp vec4 tex = texture(qt_Texture, qt_TexCoord);
 
-    fragColor = tex * mask_tex.a;
+    fragColor = tex * mask_alpha;
 }
diff --git a/qt6/src/shaders_ng/quickitemviewport.frag b/qt6/src/shaders_ng/quickitemviewport.frag
index 83e91eed5..7985478a6 100644
--- a/qt6/src/shaders_ng/quickitemviewport.frag
+++ b/qt6/src/shaders_ng/quickitemviewport.frag
@@ -39,12 +39,12 @@ void main()
     lowp vec4 mask_bottom_left = texture(mask, tex_bottom_left);
     lowp vec4 mask_top_right = texture(mask, tex_top_right);
     lowp vec4 mask_bottom_right = texture(mask, tex_bottom_right);
-    lowp vec4 mask_tex = mask_top_left * mask_bottom_left * mask_top_right * mask_bottom_right;
+    lowp float mask_alpha = min(min(mask_top_left.a, mask_bottom_left.a), min(mask_top_right.a, mask_bottom_right.a));
 
-    if (mask_tex.a == 0.0)
+    if (mask_alpha == 0.0)
         discard;
 
     lowp vec4 tex = texture(qt_Texture, qt_TexCoord);
 
-    fragColor = tex * mask_tex.a * ubuf.opacity;
+    fragColor = tex * mask_alpha * ubuf.opacity;
 }
diff --git a/src/qml/InsideBoxBorder.qml b/src/qml/InsideBoxBorder.qml
index 154748db0..31bdd2730 100644
--- a/src/qml/InsideBoxBorder.qml
+++ b/src/qml/InsideBoxBorder.qml
@@ -5,7 +5,7 @@
 import QtQuick 2.0
 
 Item {
-    property real borderWidth: 1
+    property real borderWidth: 1 / Screen.devicePixelRatio
     property color color: Qt.rgba(1, 1, 1, 0.15)
     property alias radius: rect.radius
 
diff --git a/src/qml/OutsideBoxBorder.qml b/src/qml/OutsideBoxBorder.qml
index 253922917..d7358f087 100644
--- a/src/qml/OutsideBoxBorder.qml
+++ b/src/qml/OutsideBoxBorder.qml
@@ -5,7 +5,7 @@
 import QtQuick 2.0
 
 Item {
-    property real borderWidth: 1
+    property real borderWidth: 1 / Screen.devicePixelRatio
     property color color: "white"
     property real radius: 0
 
diff --git a/src/shaders/quickitemviewport-opaque.frag b/src/shaders/quickitemviewport-opaque.frag
index c0e77fa09..80df98ca6 100644
--- a/src/shaders/quickitemviewport-opaque.frag
+++ b/src/shaders/quickitemviewport-opaque.frag
@@ -32,9 +32,10 @@ void main()
     lowp vec4 mask_top_right = texture2D(mask, tex_top_right);
     lowp vec4 mask_bottom_right = texture2D(mask, tex_bottom_right);
 
-    lowp vec4 tex = texture2D(qt_Texture, qt_TexCoord);
+    lowp float mask_alpha = min(min(mask_top_left.a, mask_bottom_left.a), min(mask_top_right.a, mask_bottom_right.a));
+    if (mask_alpha == 0.0)
+        discard;
 
-    // 统一计算此像素点被模板遮盖后的颜色，此处不需要区分点是否在某个区域，不在此区域时取出的mask颜色的alpha值必为1
-    tex *= mask_top_left * mask_bottom_left * mask_top_right * mask_bottom_right;
-    gl_FragColor = tex * tex.a;
+    lowp vec4 tex = texture2D(qt_Texture, qt_TexCoord);
+    gl_FragColor = tex * mask_alpha;
 }
diff --git a/src/shaders/quickitemviewport.frag b/src/shaders/quickitemviewport.frag
index 9c966333e..9bac12421 100644
--- a/src/shaders/quickitemviewport.frag
+++ b/src/shaders/quickitemviewport.frag
@@ -33,9 +33,10 @@ void main()
     lowp vec4 mask_top_right = texture2D(mask, tex_top_right);
     lowp vec4 mask_bottom_right = texture2D(mask, tex_bottom_right);
 
-    lowp vec4 tex = texture2D(qt_Texture, qt_TexCoord);
+    lowp float mask_alpha = min(min(mask_top_left.a, mask_bottom_left.a), min(mask_top_right.a, mask_bottom_right.a));
+    if (mask_alpha == 0.0)
+        discard;
 
-    // 统一计算此像素点被模板遮盖后的颜色，此处不需要区分点是否在某个区域，不在此区域时取出的mask颜色的alpha值必为1
-    tex *= mask_top_left * mask_bottom_left * mask_top_right * mask_bottom_right;
-    gl_FragColor = tex * tex.a * opacity;
+    lowp vec4 tex = texture2D(qt_Texture, qt_TexCoord);
+    gl_FragColor = tex * mask_alpha * opacity;
 }