diff --git a/.gitignore b/.gitignore
index 2d07436..d87e967 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ pnpm-lock.yaml
 dist
 .parcel-cache
 .cache
+test-results
diff --git a/include/webview_candidate_window.hpp b/include/webview_candidate_window.hpp
index c1babf0..8b4f3b9 100644
--- a/include/webview_candidate_window.hpp
+++ b/include/webview_candidate_window.hpp
@@ -75,8 +75,8 @@ class WebviewCandidateWindow : public CandidateWindow {
     void resize(double dx, double dy, double anchor_top, double anchor_right,
                 double anchor_bottom, double anchor_left, double panel_top,
                 double panel_right, double panel_bottom, double panel_left,
-                double panel_radius, double width, double height,
-                bool dragging);
+                double panel_radius, double border_width, double width,
+                double height, bool dragging);
     void write_clipboard(const std::string &html);
 
     void *platform_data = nullptr;
diff --git a/page/global.d.ts b/page/global.d.ts
index 75fa0bd..fa6e60f 100644
--- a/page/global.d.ts
+++ b/page/global.d.ts
@@ -34,7 +34,7 @@ declare global {
     _scroll: (start: number, length: number) => void
     _askActions: (index: number) => void
     _action: (index: number, id: number) => void
-    _resize: (dx: number, dy: number, anchorTop: number, anchorRight: number, anchorBottom: number, anchorLeft: number, panelTop: number, panelRight: number, panelBottom: number, panelLeft: number, panelRadius: number, fullWidth: number, fullHeight: number, dragging: boolean) => void
+    _resize: (dx: number, dy: number, anchorTop: number, anchorRight: number, anchorBottom: number, anchorLeft: number, panelTop: number, panelRight: number, panelBottom: number, panelLeft: number, panelRadius: number, borderWidth: number, fullWidth: number, fullHeight: number, dragging: boolean) => void
 
     // JavaScript APIs that webview_candidate_window.mm calls
     setCandidates: (cands: Candidate[], highlighted: number, markText: string, pageable: boolean, hasPrev: boolean, hasNext: boolean, scrollState: SCROLL_STATE, scrollStart: boolean, scrollEnd: boolean) => void
diff --git a/page/ux.ts b/page/ux.ts
index 9139ce5..559bc60 100644
--- a/page/ux.ts
+++ b/page/ux.ts
@@ -82,8 +82,10 @@ export function resize(
     }
 
     const pRect = panel.getBoundingClientRect()
-    const pRadius = Math.max(...getComputedStyle(panel).borderRadius.split(' ').map(Number.parseFloat))
-    window.fcitx._resize(dx, dy, anchorTop, anchorRight, anchorBottom, anchorLeft, pRect.top, pRect.right, pRect.bottom, pRect.left, pRadius, right, bottom, dragging)
+    const { borderRadius, borderWidth } = getComputedStyle(panel)
+    const bWidth = Math.max(...borderWidth.split(' ').map(Number.parseFloat))
+    const pRadius = Math.max(...borderRadius.split(' ').map(Number.parseFloat))
+    window.fcitx._resize(dx, dy, anchorTop, anchorRight, anchorBottom, anchorLeft, pRect.top, pRect.right, pRect.bottom, pRect.left, pRadius, bWidth, right, bottom, dragging)
   }
   adaptWindowSize(hasContextmenu)
   if (!dragging) {
diff --git a/src/platform/js.cpp b/src/platform/js.cpp
index d2e56d0..eb0ddaf 100644
--- a/src/platform/js.cpp
+++ b/src/platform/js.cpp
@@ -27,8 +27,8 @@ void WebviewCandidateWindow::resize(double dx, double dy, double anchor_top,
                                     double anchor_left, double panel_top,
                                     double panel_right, double panel_bottom,
                                     double panel_left, double panel_radius,
-                                    double width, double height,
-                                    bool dragging) {
+                                    double border_width, double width,
+                                    double height, bool dragging) {
     EM_ASM(fcitx.placePanel($0, $1, $2, $3, $4), dx, dy, anchor_top,
            anchor_left, dragging);
 }
diff --git a/src/platform/linux.cpp b/src/platform/linux.cpp
index c4dd360..a3dc446 100644
--- a/src/platform/linux.cpp
+++ b/src/platform/linux.cpp
@@ -46,8 +46,8 @@ void WebviewCandidateWindow::resize(double dx, double dy, double anchor_top,
                                     double anchor_left, double panel_top,
                                     double panel_right, double panel_bottom,
                                     double panel_left, double panel_radius,
-                                    double width, double height,
-                                    bool dragging) {
+                                    double border_width, double width,
+                                    double height, bool dragging) {
     gtk_widget_show_all(static_cast<GtkWidget *>(w_->window()));
 }
 
diff --git a/src/platform/macos.mm b/src/platform/macos.mm
index 465076a..2da3e44 100644
--- a/src/platform/macos.mm
+++ b/src/platform/macos.mm
@@ -231,8 +231,8 @@ NSRect getNearestScreenFrame(double x, double y) {
                                     double anchor_left, double panel_top,
                                     double panel_right, double panel_bottom,
                                     double panel_left, double panel_radius,
-                                    double width, double height,
-                                    bool dragging) {
+                                    double border_width, double width,
+                                    double height, bool dragging) {
     const int gap = 4;
     const int preedit_height = 24;
     NSRect frame = getNearestScreenFrame(cursor_x_, cursor_y_);
@@ -278,10 +278,10 @@ NSRect getNearestScreenFrame(double x, double y) {
     [window orderFront:nil];
 
     // Update the blur view
-    panel_right -= 1; // Shrink the blur view a bit
-    panel_left += 1;  // to avoid the border being too thick.
-    panel_top += 1;
-    panel_bottom -= 1;
+    panel_right -= border_width; // Shrink the blur view a bit
+    panel_left += border_width;  // to avoid the border being too thick.
+    panel_top += border_width;
+    panel_bottom -= border_width;
     auto blurView = window.blurView;
     NSRect blurViewRect =
         NSMakeRect(panel_left, height - panel_bottom,
diff --git a/src/webview_candidate_window.cpp b/src/webview_candidate_window.cpp
index 2544a13..714da12 100644
--- a/src/webview_candidate_window.cpp
+++ b/src/webview_candidate_window.cpp
@@ -47,11 +47,12 @@ WebviewCandidateWindow::WebviewCandidateWindow()
          [this](double dx, double dy, double anchor_top, double anchor_right,
                 double anchor_bottom, double anchor_left, double panel_top,
                 double panel_right, double panel_bottom, double panel_left,
-                double panel_radius, double width, double height,
-                bool dragging) {
+                double panel_radius, double border_width, double width,
+                double height, bool dragging) {
              resize(dx, dy, anchor_top, anchor_right, anchor_bottom,
                     anchor_left, panel_top, panel_right, panel_bottom,
-                    panel_left, panel_radius, width, height, dragging);
+                    panel_left, panel_radius, border_width, width, height,
+                    dragging);
          });
 
     bind("_select", [this](int i) { select_callback(i); });
diff --git a/tests/global.d.ts b/tests/global.d.ts
index 35039ec..4b52455 100644
--- a/tests/global.d.ts
+++ b/tests/global.d.ts
@@ -1,6 +1,6 @@
 declare global {
   type CppCall = {
-    resize: [number, number, number, number, number, number, number, number, number, number, number, number, number, boolean]
+    resize: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, boolean]
   } | {
     select: number
   } | {
diff --git a/tests/util.ts b/tests/util.ts
index bc26f5c..d4c6db1 100644
--- a/tests/util.ts
+++ b/tests/util.ts
@@ -10,9 +10,9 @@ export async function init(page: Page) {
   await page.evaluate(() => {
     window.fcitx.setTheme(2)
     window.cppCalls = []
-    window.fcitx._resize = (dx: number, dy: number, anchorTop: number, anchorRight: number, anchorBottom: number, anchorLeft: number, panelTop: number, panelRight: number, panelBottom: number, panelLeft: number, panelRadius: number, fullWidth: number, fullHeight: number, dragging: boolean) => {
+    window.fcitx._resize = (dx: number, dy: number, anchorTop: number, anchorRight: number, anchorBottom: number, anchorLeft: number, panelTop: number, panelRight: number, panelBottom: number, panelLeft: number, panelRadius: number, borderWidth: number, fullWidth: number, fullHeight: number, dragging: boolean) => {
       window.cppCalls.push({
-        resize: [dx, dy, anchorTop, anchorRight, anchorBottom, anchorLeft, panelTop, panelRight, panelBottom, panelLeft, panelRadius, fullWidth, fullHeight, dragging],
+        resize: [dx, dy, anchorTop, anchorRight, anchorBottom, anchorLeft, panelTop, panelRight, panelBottom, panelLeft, panelRadius, borderWidth, fullWidth, fullHeight, dragging],
       })
     }
     window.fcitx._select = (index: number) => {