diff --git a/Apps/Explorer/desk_server.vp b/Apps/Explorer/desk_server.vp
index 55fa932..dee693e 100644
--- a/Apps/Explorer/desk_server.vp
+++ b/Apps/Explorer/desk_server.vp
@@ -1086,11 +1086,20 @@ class DeskServer:
             if pressed != 0: base_col = self.rgb(uint32(140), uint32(25), uint32(25))
             self.row_fill(bx, yy, bw, base_col)
             if active != 0: x_col = self.rgb(uint32(255), uint32(255), uint32(255))
-        elif style == STYLE_WIN7 or style == STYLE_WINXP:
+        elif style == STYLE_WIN7:
             base_col2: uint32 = self.rgb(uint32(200), uint32(50), uint32(50))
             if hovered != 0: base_col2 = self.rgb(uint32(220), uint32(60), uint32(60))
             if pressed != 0: base_col2 = self.rgb(uint32(140), uint32(25), uint32(25))
-            self._close_fill_row(s, bx, by, bw, bh, yy, base_col2, 0)
+            # WIN7 特判：红底画成圆（不是圆角矩形）。在 bw×bh 的命中区内
+            # 居中一个 bh×bh 的圆，圆心与 X 图标中心重合。
+            circle_x: int = bx + (bw - bh) / 2
+            self._close_fill_row(s, circle_x, by, bh, bh, yy, base_col2, bh / 2)
+            x_col = self.rgb(uint32(255), uint32(255), uint32(255))
+        elif style == STYLE_WINXP:
+            base_col3: uint32 = self.rgb(uint32(200), uint32(50), uint32(50))
+            if hovered != 0: base_col3 = self.rgb(uint32(220), uint32(60), uint32(60))
+            if pressed != 0: base_col3 = self.rgb(uint32(140), uint32(25), uint32(25))
+            self._close_fill_row(s, bx, by, bw, bh, yy, base_col3, 0)
             x_col = self.rgb(uint32(255), uint32(255), uint32(255))
         else:
             x_col = self.rgb(uint32(150), uint32(150), uint32(150))