feat(弹幕组件): 优化弹幕循环逻辑和持续性

增强弹幕组件的循环逻辑，确保在没有数据时自动重新获取
调整弹幕轨道数量和容器高度以优化显示效果

@@ -387,7 +387,7 @@ const startDanmuAnimation = (danmu, track) => {
   animationTimers.value.set(danmu.id, timer)
   animationTimers.value.set(danmu.id, timer)
 }
 }
 
 
-// 重置弹幕位置实现循环
+// 重置弹幕位置实现循环 - 增强持续性
 const resetDanmuForLoop = (danmu, track) => {
 const resetDanmuForLoop = (danmu, track) => {
   if (!isPlaying.value) return
   if (!isPlaying.value) return
 
 
@@ -395,10 +395,20 @@ const resetDanmuForLoop = (danmu, track) => {
   danmu.isMoving = false
   danmu.isMoving = false
   danmu.opacity = 1
   danmu.opacity = 1
 
 
-  // 切换下一条数据，遵循首轮不重复规则
+  // 切换下一条数据，确保持续循环
   const nextData = getNextUnusedDanmu()
   const nextData = getNextUnusedDanmu()
   if (nextData) {
   if (nextData) {
     danmu.data = nextData
     danmu.data = nextData
+  } else {
+    // 如果没有数据，重新获取弹幕数据
+    console.log('弹幕数据不足，尝试重新获取')
+    fetchDanmuData().then(() => {
+      const retryData = getNextUnusedDanmu()
+      if (retryData) {
+        danmu.data = retryData
+      }
+    })
+    return
   }
   }
 
 
   // 复位到右侧并重新计时
   // 复位到右侧并重新计时
@@ -407,7 +417,11 @@ const resetDanmuForLoop = (danmu, track) => {
   track.lastDanmuTime = Date.now()
   track.lastDanmuTime = Date.now()
 
 
   // 重新启动动画（无缝继续）
   // 重新启动动画（无缝继续）
-  nextTick(() => {
+  nextTick(async () => {
+    // 重新测量宽度，确保准确性
+    await measureDanmuWidth(danmu)
+    recalculateDuration(danmu)
+    danmu.startTime = Date.now()
     startDanmuAnimation(danmu, track)
     startDanmuAnimation(danmu, track)
   })
   })
 }
 }
@@ -441,7 +455,7 @@ const resetDanmuIndex = () => {
   isFirstRound = true
   isFirstRound = true
 }
 }
 
 
-// 获取下一个未使用的弹幕数据
+// 获取下一个弹幕数据 - 优化循环逻辑
 const getNextUnusedDanmu = () => {
 const getNextUnusedDanmu = () => {
   if (!familyDanmus.value || familyDanmus.value.length === 0) {
   if (!familyDanmus.value || familyDanmus.value.length === 0) {
     return null
     return null
@@ -462,20 +476,17 @@ const getNextUnusedDanmu = () => {
       currentDanmuIndex++
       currentDanmuIndex++
     }
     }
 
 
-    // 第一轮遍历完成
+    // 第一轮遍历完成，开始无限循环
     isFirstRound = false
     isFirstRound = false
     currentDanmuIndex = 0
     currentDanmuIndex = 0
     usedDanmuIds.clear()
     usedDanmuIds.clear()
+    console.log('弹幕第一轮完成，开始无限循环')
   }
   }
 
 
-  // 第一轮遍历完成后，重新开始循环
-  if (!isFirstRound) {
+  // 无限循环模式 - 确保永远有弹幕
   const danmuData = familyDanmus.value[currentDanmuIndex % familyDanmus.value.length]
   const danmuData = familyDanmus.value[currentDanmuIndex % familyDanmus.value.length]
-    currentDanmuIndex++
+  currentDanmuIndex = (currentDanmuIndex + 1) % familyDanmus.value.length
   return danmuData
   return danmuData
-  }
-
-  return null
 }
 }
 
 
 // 发送顺序弹幕
 // 发送顺序弹幕
@@ -488,7 +499,7 @@ const sendSequentialDanmu = () => {
   }
   }
 }
 }
 
 
-// 自动发送弹幕
+// 自动发送弹幕 - 增强持续性
 let autoSendTimer = null
 let autoSendTimer = null
 const startAutoSend = () => {
 const startAutoSend = () => {
   if (autoSendTimer) return
   if (autoSendTimer) return
@@ -510,8 +521,11 @@ const startAutoSend = () => {
     const intervalMultiplier = Math.max(1, (6 - availableTrackCount) * 0.2) // 减少间隔倍数
     const intervalMultiplier = Math.max(1, (6 - availableTrackCount) * 0.2) // 减少间隔倍数
     const dynamicInterval = baseInterval * intervalMultiplier + Math.random() * 300
     const dynamicInterval = baseInterval * intervalMultiplier + Math.random() * 300
 
 
+    // 确保持续循环，即使暂时没有可用轨道也要继续尝试
+    if (isPlaying.value) {
       autoSendTimer = setTimeout(sendNext, dynamicInterval)
       autoSendTimer = setTimeout(sendNext, dynamicInterval)
     }
     }
+  }
 
 
   // 立即发送第一条弹幕，不等待
   // 立即发送第一条弹幕，不等待
   sendNext()
   sendNext()

 <!--
 <!--
  * @Date: 2025-09-01 13:07:52
  * @Date: 2025-09-01 13:07:52
  * @LastEditors: hookehuyr hookehuyr@gmail.com
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-10-28 16:36:47
+ * @LastEditTime: 2025-10-29 09:53:38
  * @FilePath: /lls_program/src/pages/FamilyRank/index.vue
  * @FilePath: /lls_program/src/pages/FamilyRank/index.vue
  * @Description: 文件描述
  * @Description: 文件描述
 -->
 -->
@@ -159,9 +159,9 @@
     <!-- 隐藏的弹幕组件，在页面加载时就开始滚动 -->
     <!-- 隐藏的弹幕组件，在页面加载时就开始滚动 -->
     <view class="danmu-section mt-8" :style="{ visibility: activeTab === 'support' ? 'visible' : 'hidden', position: activeTab === 'support' ? 'static' : 'absolute', top: activeTab === 'support' ? 'auto' : '-9999px' }">
     <view class="danmu-section mt-8" :style="{ visibility: activeTab === 'support' ? 'visible' : 'hidden', position: activeTab === 'support' ? 'static' : 'absolute', top: activeTab === 'support' ? 'auto' : '-9999px' }">
       <NativeDanmuComponent
       <NativeDanmuComponent
-        :container-height="1200"
+        :container-height="1100"
         :show-controls="true"
         :show-controls="true"
-        :track-count="7"
+        :track-count="5"
         @danmu-click="handleDanmuClick"
         @danmu-click="handleDanmuClick"
         @danmu-hover="handleDanmuHover"
         @danmu-hover="handleDanmuHover"
         ref="danmuRef"
         ref="danmuRef"