添加练习超时，重新挑战

src/components/ShootProgress.vue

@@ -56,6 +56,7 @@ watch(
   (newVal, oldVal) => {
     if (newVal === false) {
       if (timer.value) clearInterval(timer.value);
+      remain.value = props.total;
     }
     if (!oldVal && newVal === true) {
       setTimeout(() => {
@@ -86,7 +87,7 @@ onUnmounted(() => {
   <view class="container">
     <view>
       <image src="../static/shooter.png" mode="widthFix" />
-      <text>{{ remain === 0 ? "射箭时间到！" : tips }}</text>
+      <text>{{ start && remain === 0 ? "射箭时间到！" : tips }}</text>
       <button hover-class="none" @click="() => (sound = !sound)">
         <image
           :src="`../static/sound${sound ? '' : '-off'}-yellow.png`"