细节优化

src/components/BowTarget.vue

@@ -43,14 +43,16 @@ const props = defineProps({
 const showRoundTips = ref(false);
 const showLatestArrow = ref(false);
 const prevLength = ref(0);
+const timer = ref(null);
 
 watch(
   () => props.scores,
   (newVal) => {
     if (newVal.length - prevLength.value === 1) {
+      if (timer.value) clearTimeout(timer.value);
       showRoundTips.value = true;
       showLatestArrow.value = true;
-      setTimeout(() => {
+      timer.value = setTimeout(() => {
         showRoundTips.value = false;
       }, 1000);
     }
@@ -80,7 +82,7 @@ function calcRealY(num) {
         "/" +
         totalRound
       }}</text>
-      <BowPower v-if="power > 0" :power="power" />
+      <BowPower :power="power" />
     </view>
     <view class="target">
       <view