diff --git a/permissionmanager/src/main/ets/common/utils/constant.ets b/permissionmanager/src/main/ets/common/utils/constant.ets
index 8491b8723f15a6874325f4303a3ee6876b256561..8deb43dbacc51a6fb0c174bb0b0c1d2d9d094d0c 100644
--- a/permissionmanager/src/main/ets/common/utils/constant.ets
+++ b/permissionmanager/src/main/ets/common/utils/constant.ets
@@ -71,7 +71,7 @@ export default class Constants {
     public static TEXT_MIDDLE_FONT_SIZE = 16;
     public static TEXT_SMALL_FONT_SIZE = 14;
     public static TEXT_SMALLER_FONT_SIZE = 12;
-    public static FONT_SIZE_28 = 28;
+    public static FONT_SIZE_28 = '28vp';
     public static TEXT_LINE_HEIGHT = 22;
     public static TEXT_LINE_HEIGHT_24 = 24;
     public static TEXT_LINE_HEIGHT_27 = 27;
diff --git a/permissionmanager/src/main/ets/pages/securityDialog.ets b/permissionmanager/src/main/ets/pages/securityDialog.ets
index dc5cdc9ddcf95dfc64fc2fc55cf7974bc2f56d8d..b028008944ecf502241bc38272f10f71b931cf2f 100644
--- a/permissionmanager/src/main/ets/pages/securityDialog.ets
+++ b/permissionmanager/src/main/ets/pages/securityDialog.ets
@@ -104,7 +104,7 @@ struct SecurityDialog {
             SymbolGlyph($r('sys.symbol.person_shield_fill'))
               .width(Constants.SECURITY_ICON_WIDTH)
               .height(Constants.SECURITY_ICON_HEIGHT)
-              .fontSize(Constants.FONT_SIZE_28 / getFontSizeScale())
+              .fontSize(Constants.FONT_SIZE_28)
               .fontColor([$r('sys.color.brand')])
               .border({
                 width: Constants.BORDER_WIDTH_1,