diff --git a/lib/GMLIB_API-JS.d.ts b/lib/GMLIB_API-JS.d.ts
index ecedf22..41d072b 100644
--- a/lib/GMLIB_API-JS.d.ts
+++ b/lib/GMLIB_API-JS.d.ts
@@ -1057,6 +1057,16 @@ interface Player {
         /** 槽位 */
         slot: number
     ): Item;
+
+    /** (GMLIB)发送更新更新物品数据包 */
+    sendInventorySlotPacket(
+        /** 容器ID */
+        containerId: number,
+        /** 槽位 */
+        slot: number,
+        /** 物品 */
+        item: Item
+    ): void;
 }
 
 interface Entity {
diff --git a/lib/GMLIB_API-JS.js b/lib/GMLIB_API-JS.js
index b83c7e8..07a0383 100644
--- a/lib/GMLIB_API-JS.js
+++ b/lib/GMLIB_API-JS.js
@@ -331,7 +331,9 @@ const GMLIB_API = {
     /** 设置玩家UI栏物品 @type {function(Player,number,Item):void} */
     setPlayerUIItem: ll.import("GMLIB_API", "setPlayerUIItem"),
     /** 获取玩家UI栏物品 @type {function(Player,number):Item} */
-    getPlayerUIItem: ll.import("GMLIB_API", "getPlayerUIItem")
+    getPlayerUIItem: ll.import("GMLIB_API", "getPlayerUIItem"),
+    /** 更新玩家容器物品 @type {function(Player,number,number,Item):void} */
+    sendInventorySlotPacket: ll.import("GMLIB_API","sendInventorySlotPacket")
 }
 
 /** 静态悬浮字类列表 @type {Map<number,StaticFloatingText>} */
@@ -2445,7 +2447,7 @@ LLSE_Player.prototype.setPlayerUIItem =
      * @param {Item} item 要设置的物品
      */
     function (slot, item) {
-        return GMLIB_API.setPlayerUIItem(this, slot, item);
+        GMLIB_API.setPlayerUIItem(this, slot, item);
     }
 
 LLSE_Player.prototype.getPlayerUIItem =
@@ -2458,6 +2460,17 @@ LLSE_Player.prototype.getPlayerUIItem =
         return GMLIB_API.getPlayerUIItem(this, slot);
     }
 
+LLSE_Player.prototype.sendInventorySlotPacket =
+    /**
+     * 发送更新更新物品数据包
+     * @param {number} containerId 容器ID
+     * @param {number} slot 格子槽位
+     * @param {Item} item 物品对象
+     */
+    function (containerId, slot, item) {
+        GMLIB_API.sendInventorySlotPacket(this, containerId, slot, item);
+    }
+
 module.exports = {
     StaticFloatingText,
     DynamicFloatingText,
diff --git a/src/CompatibilityApi.cpp b/src/CompatibilityApi.cpp
index 9268450..991eba1 100644
--- a/src/CompatibilityApi.cpp
+++ b/src/CompatibilityApi.cpp
@@ -1,5 +1,9 @@
 #include "Global.h"
+#include "magic_enum.hpp"
+#include "mc/network/packet/InventorySlotPacket.h"
+#include <map>
 #include <regex>
+#include <vector>
 
 bool isInteger(const std::string& str) {
     std::regex pattern("^[+-]?\\d+$");
@@ -867,4 +871,11 @@ void Export_Compatibility_API() {
     RemoteCall::exportAs("GMLIB_API", "getPlayerUIItem", [](Player* player, int slot) -> ItemStack* {
         return const_cast<ItemStack*>(&player->getPlayerUIItem((PlayerUISlot)slot));
     });
+    RemoteCall::exportAs(
+        "GMLIB_API",
+        "sendInventorySlotPacket",
+        [](Player* player, int containerId, int slot, ItemStack* item) -> void {
+            InventorySlotPacket((ContainerID)containerId, slot, *item).sendTo(*player);
+        }
+    );
 }
\ No newline at end of file