diff --git a/src/components/TargetCanvas.vue b/src/components/TargetCanvas.vue
index 7026814..5d4e6e0 100644
--- a/src/components/TargetCanvas.vue
+++ b/src/components/TargetCanvas.vue
@@ -164,6 +164,8 @@ const defaultHighlightStyle = {
   color: "rgba(255, 228, 0, 0.6)",
   strokeColor: "rgba(254, 216, 71, 0.82)",
   lineWidthRatio: 0.003,
+  // 在最小线宽计算后应用倍数，确保不同靶面尺寸下按比例加粗。
+  lineWidthScale: 1,
 };
 
 // 合并默认靶纸样式和外部传入样式，ringColors 单独深合并。
@@ -319,7 +321,7 @@ const drawSectorHighlight = (
         (angles.endAngle - angles.startAngle) * safeRevealProgress,
       style.color,
       style.strokeColor,
-      Math.max(1, targetRadius * style.lineWidthRatio)
+      Math.max(1, targetRadius * style.lineWidthRatio) * style.lineWidthScale
     );
   });
 };
diff --git a/src/pages/training/components/BowTarget.vue b/src/pages/training/components/BowTarget.vue
index ee3338c..5c507c3 100644
--- a/src/pages/training/components/BowTarget.vue
+++ b/src/pages/training/components/BowTarget.vue
@@ -546,6 +546,7 @@ onBeforeUnmount(() => {
         :showCrosshair="false"
         :showRingLabels="false"
         :highlightOnly="true"
+        :highlightStyle="{ strokeColor: '#00fffc', lineWidthScale: 3 }"
         :sectorCount="sectorCount"
         :activeSector="activeSector"
         :activeRings="activeRings"