Ships, mine carts, hopper mine carts and other vehicles cannot be recovered normally after being placed

In the win10 Bedrock Edition Minecraft and my friend’s LAN game, something very annoying appears. If we drop the ship in the hell and the main world, the minecart or the hopper minecart will disappear out of thin air, which makes us very Headache, want to ask if it is a game bug or other problem?  please help me