diff --git a/Assets/YooAsset/Runtime/InitializeParameters.cs b/Assets/YooAsset/Runtime/InitializeParameters.cs
index 1f1872a..58946b7 100644
--- a/Assets/YooAsset/Runtime/InitializeParameters.cs
+++ b/Assets/YooAsset/Runtime/InitializeParameters.cs
@@ -86,7 +86,7 @@ namespace YooAsset
 		public string FallbackHostServer = string.Empty;
 
 		/// <summary>
-		/// 查询服务类
+		/// 内置资源查询服务接口
 		/// </summary>
 		public IQueryServices QueryServices = null;
 	}
diff --git a/Assets/YooAsset/Runtime/YooAssets.cs b/Assets/YooAsset/Runtime/YooAssets.cs
index 8b75e71..a55404f 100644
--- a/Assets/YooAsset/Runtime/YooAssets.cs
+++ b/Assets/YooAsset/Runtime/YooAssets.cs
@@ -12,7 +12,7 @@ namespace YooAsset
 		private static readonly List<YooAssetPackage> _packages = new List<YooAssetPackage>();
 
 		/// <summary>
-		/// 初始化
+		/// 初始化资源系统
 		/// </summary>
 		public static void Initialize()
 		{
@@ -37,7 +37,7 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 更新
+		/// 更新资源系统
 		/// </summary>
 		internal static void Update()
 		{
@@ -54,7 +54,7 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 销毁
+		/// 销毁资源系统
 		/// </summary>
 		internal static void Destroy()
 		{
diff --git a/Assets/YooAsset/Runtime/YooAssetsExtension.cs b/Assets/YooAsset/Runtime/YooAssetsExtension.cs
index 5e7e34e..5d3d9fd 100644
--- a/Assets/YooAsset/Runtime/YooAssetsExtension.cs
+++ b/Assets/YooAsset/Runtime/YooAssetsExtension.cs
@@ -21,7 +21,7 @@ namespace YooAsset
 		/// <summary>
 		/// 异步初始化
 		/// </summary>
-		public static InitializationOperation InitializeAsync(string packageName, InitializeParameters parameters)
+		public static InitializationOperation InitializeAsync(InitializeParameters parameters, string packageName = "DefaultPackage")
 		{
 			if (_mainPackage != null)
 				throw new Exception("Main package is initialized yet.");