fix(useVideoPlayer): 调整流量警告阈值为1000MB以优化蜂窝网络体验

@@ -311,7 +311,8 @@ export function useVideoPlayer(props, emit, videoRef, nativeVideoRef) {
   const isOnWifi = computed(() => networkKind.value === 'wifi');
   const isOnCellular = computed(() => networkKind.value === 'cellular');
 
-  const trafficWarnThresholdBytes = 200 * 1024 * 1024;
+  // 8. 流量警告逻辑
+  const trafficWarnThresholdBytes = 1000 * 1024 * 1024;
 
   const needTrafficWarn = computed(() => {
     if (isOnWifi.value) return false;