尝试在生成物品时直接设置 Motion

data/item/functions/test/get_test_item.mcfunction

@@ -1 +0,0 @@
-summon item ~ ~ ~ {Item:{id:"fishing_rod",Count:1,tag:{"is_bonus":1b,"bonus_new":1b,"bonus_return":1b,"bonus_add_score":15,"bonus_give_items":[{"id":"minecraft:stone","Count":64,"tag":{"is_bonus":1b,"display":{"Name":'"普通的石头"'}}},{"id":"minecraft:bedrock","Count":64,"tag":{"is_bonus":1b,"display":{"Name":'"普通的基岩"'}}}],"item_name":'{"text":"破损的钓鱼竿","color":"green"}'}},CustomName:'{"text":"破损的钓鱼竿","color":"green"}',Tags:["team_green"],Age:-32768,PickupDelay:0,NoGravity:1,Invulnerable:1,CustomNameVisible:1,Glowing:1}

data/item/loot_tables/gameparty/ranks/purple.json

@@ -11,7 +11,7 @@
         },
         {
             "function": "minecraft:set_nbt",
-            "tag": "{\"item_name\":\"{\\\"text\\\":\\\"得分 +3\\\",\\\"color\\\":\\\"light_purple\\\"}\",\"is_bonus\":1b,\"bonus_new\":1b,\"bonus_add_score\":3}"
+            "tag": "{\"item_name\":\"{\\\"text\\\":\\\"得分 +3\\\",\\\"color\\\":\\\"light_purple\\\"}\",\"is_bonus\":1b,\"bonus_new\":1b,\"bonus_add_score\":3,\"Motion\":[0,0,0]}"
         }
     ]
 },
@@ -22,7 +22,7 @@
     "functions": [
         {
             "function": "minecraft:set_nbt",
-            "tag": "{\"item_name\":\"{\\\"text\\\":\\\"冲击弓, 箭 x20\\\",\\\"color\\\":\\\"light_purple\\\"}\",\"Enchantments\":[{\"id\":\"punch\",\"lvl\":1}],\"is_bonus\":1b,\"bonus_new\":1b,\"bonus_return\":1b,\"bonus_give_items\":[{\"id\":\"minecraft:arrow\",\"Count\":20,\"tag\":{\"is_bonus\":1b,\"bonus_clear_nbt\":1b}}]}"
+            "tag": "{\"item_name\":\"{\\\"text\\\":\\\"冲击弓, 箭 x20\\\",\\\"color\\\":\\\"light_purple\\\"}\",\"Enchantments\":[{\"id\":\"punch\",\"lvl\":1}],\"is_bonus\":1b,\"bonus_new\":1b,\"bonus_return\":1b,\"bonus_give_items\":[{\"id\":\"minecraft:arrow\",\"Count\":20,\"tag\":{\"is_bonus\":1b,\"bonus_clear_nbt\":1b}}],\"Motion\":[0,0,0]}"
         }
     ]
 }