diff --git a/Assets/YooAsset/Runtime/OperationSystem/OperationScheduler.cs b/Assets/YooAsset/Runtime/OperationSystem/OperationScheduler.cs
index cef60108..cabfe18e 100644
--- a/Assets/YooAsset/Runtime/OperationSystem/OperationScheduler.cs
+++ b/Assets/YooAsset/Runtime/OperationSystem/OperationScheduler.cs
@@ -10,6 +10,7 @@ namespace YooAsset
     {
         private readonly List<AsyncOperationBase> _operations = new List<AsyncOperationBase>(100);
         private readonly List<AsyncOperationBase> _newList = new List<AsyncOperationBase>(100);
+        private uint _priority = 0;
 
         /// <summary>
         /// 所属包裹名称
@@ -19,7 +20,23 @@ namespace YooAsset
         /// <summary>
         /// 调度器优先级（值越大越优先）
         /// </summary>
-        public int Priority { private set; get; }
+        public uint Priority
+        {
+            get { return _priority; }
+            set
+            {
+                if (_priority != value)
+                {
+                    _priority = value;
+                    IsDirty = true;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 优先级是否已变更（需要重新排序）
+        /// </summary>
+        public bool IsDirty { set; get; } = false;
 
         /// <summary>
         /// 创建顺序（用于同优先级稳定排序）
@@ -27,7 +44,7 @@ namespace YooAsset
         public int CreateIndex { private set; get; }
 
 
-        public OperationScheduler(string packageName, int priority, int createIndex)
+        public OperationScheduler(string packageName, uint priority, int createIndex)
         {
             PackageName = packageName;
             Priority = priority;
diff --git a/Assets/YooAsset/Runtime/OperationSystem/OperationSystem.cs b/Assets/YooAsset/Runtime/OperationSystem/OperationSystem.cs
index e72de0df..ac2709f3 100644
--- a/Assets/YooAsset/Runtime/OperationSystem/OperationSystem.cs
+++ b/Assets/YooAsset/Runtime/OperationSystem/OperationSystem.cs
@@ -21,7 +21,6 @@ namespace YooAsset
         private static readonly Dictionary<string, OperationScheduler> _schedulerDic = new Dictionary<string, OperationScheduler>(100);
         private static readonly List<OperationScheduler> _schedulerList = new List<OperationScheduler>(100);
         private static bool _isInitialize = false;
-        private static bool _schedulerListDirty = false;
         private static int _createIndex = 0;
 
         // 计时器相关
@@ -75,10 +74,18 @@ namespace YooAsset
             if (_isInitialize == false)
                 return;
 
-            // 重新排序调度器
-            if (_schedulerListDirty)
+            // 检测是否需要执行排序
+            bool isDirty = false;
+            foreach (var scheduler in _schedulerList)
+            {
+                if (scheduler.IsDirty)
+                {
+                    scheduler.IsDirty = false;
+                    isDirty = true;
+                }
+            }
+            if (isDirty)
             {
-                _schedulerListDirty = false;
                 _schedulerList.Sort();
             }
 
@@ -110,7 +117,6 @@ namespace YooAsset
             }
             _schedulerDic.Clear();
             _schedulerList.Clear();
-            _schedulerListDirty = false;
             _createIndex = 0;
 
             _watch = null;
@@ -121,7 +127,7 @@ namespace YooAsset
         /// <summary>
         /// 创建包裹调度器
         /// </summary>
-        public static void CreatePackageScheduler(string packageName, int priority)
+        public static OperationScheduler CreatePackageScheduler(string packageName, uint priority)
         {
             DebugCheckInitialize(packageName);
 
@@ -133,7 +139,7 @@ namespace YooAsset
             var scheduler = new OperationScheduler(packageName, priority, _createIndex++);
             _schedulerDic.Add(packageName, scheduler);
             _schedulerList.Add(scheduler);
-            _schedulerListDirty = true;
+            return scheduler;
         }
 
         /// <summary>
@@ -179,6 +185,28 @@ namespace YooAsset
             scheduler.StartOperation(operation);
         }
 
+        /// <summary>
+        /// 设置调度器优先级
+        /// </summary>
+        public static void SetSchedulerPriority(string packageName, uint priority)
+        {
+            DebugCheckInitialize(packageName);
+
+            var scheduler = GetScheduler(packageName);
+            scheduler.Priority = priority;
+        }
+
+        /// <summary>
+        /// 获取调度器优先级
+        /// </summary>
+        public static uint GetSchedulerPriority(string packageName)
+        {
+            DebugCheckInitialize(packageName);
+
+            var scheduler = GetScheduler(packageName);
+            return scheduler.Priority;
+        }
+
         /// <summary>
         /// 获取调度器（严格模式）
         /// </summary>
diff --git a/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs b/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
index bb07e1f5..e48a6dbd 100644
--- a/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
+++ b/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
@@ -44,6 +44,15 @@ namespace YooAsset
             }
         }
 
+        /// <summary>
+        /// 包裹优先级（值越大越优先更新）
+        /// </summary>
+        public uint PackagePriority
+        {
+            get { return OperationSystem.GetSchedulerPriority(PackageName); }
+            set { OperationSystem.SetSchedulerPriority(PackageName, value); }
+        }
+        
 
         internal ResourcePackage(string packageName)
         {
diff --git a/Assets/YooAsset/Runtime/YooAssets.cs b/Assets/YooAsset/Runtime/YooAssets.cs
index 1e199266..eee3a65d 100644
--- a/Assets/YooAsset/Runtime/YooAssets.cs
+++ b/Assets/YooAsset/Runtime/YooAssets.cs
@@ -112,7 +112,7 @@ namespace YooAsset
         /// </summary>
         /// <param name="packageName">包裹名称</param>
         /// <param name="packagePriority">包裹优先级（值越大越优先更新）</param>
-        public static ResourcePackage CreatePackage(string packageName, int packagePriority)
+        public static ResourcePackage CreatePackage(string packageName, uint packagePriority)
         {
             CheckException(packageName);
             if (ContainsPackage(packageName))