diff --git a/Editor/Meta/MetaUtil.cs b/Editor/Meta/MetaUtil.cs
index 167cc15..233ff88 100644
--- a/Editor/Meta/MetaUtil.cs
+++ b/Editor/Meta/MetaUtil.cs
@@ -6,6 +6,7 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using UnityEditor;
 
 namespace HybridCLR.Editor.Meta
 {
@@ -119,10 +120,30 @@ namespace HybridCLR.Editor.Meta
 			return typeSigs.Select(s => ToShareTypeSig(s)).ToList();
         }
 
-		public static IAssemblyResolver CreateBuildTargetAssemblyResolver(UnityEditor.BuildTarget target)
+		public static IAssemblyResolver CreateHotUpdateAssemblyResolver(BuildTarget target)
         {
-			return new CombinedAssemblyResolver(new PathAssemblyResolver(
-				SettingsUtil.GetHotUpdateDllsOutputDirByTarget(target)),
+			var externalDirs = HybridCLRSettings.Instance.externalHotUpdateAssembliyDirs;
+			var defaultHotUpdateOutputDir = SettingsUtil.GetHotUpdateDllsOutputDirByTarget(target);
+			if (externalDirs == null || externalDirs.Length == 0)
+            {
+				return new PathAssemblyResolver(defaultHotUpdateOutputDir);
+            }
+			else
+            {
+				var externalDirList = new List<string>();
+				foreach (var dir in externalDirs)
+                {
+					externalDirList.Add($"{dir}/{target}");
+					externalDirList.Add(dir);
+                }
+				externalDirList.Add(defaultHotUpdateOutputDir);
+				return new PathAssemblyResolver(externalDirList.ToArray());
+            }
+		}
+
+		public static IAssemblyResolver CreateBuildTargetAssemblyResolver(BuildTarget target)
+        {
+			return new CombinedAssemblyResolver(CreateHotUpdateAssemblyResolver(target),
 				new UnityPluginAssemblyResolver(),
 				new UnityDotNetAOTAssemblyResolver(),
 				new UnityEditorAssemblyResolver());
diff --git a/Editor/Settings/HybridCLRSettingProvider.cs b/Editor/Settings/HybridCLRSettingProvider.cs
index 237764d..2543937 100644
--- a/Editor/Settings/HybridCLRSettingProvider.cs
+++ b/Editor/Settings/HybridCLRSettingProvider.cs
@@ -17,6 +17,7 @@ namespace HybridCLR.Editor
         private SerializedProperty _hotUpdateAssemblies;
         private SerializedProperty _preserveHotUpdateAssemblies;
         private SerializedProperty _hotUpdateDllCompileOutputRootDir;
+        private SerializedProperty _externalHotUpdateAssembliyDirs;
         private SerializedProperty _strippedAOTDllOutputRootDir;
         private SerializedProperty _patchAOTAssemblies;
         private SerializedProperty _differentialHybridAssemblies;
@@ -46,6 +47,7 @@ namespace HybridCLR.Editor
             _hotUpdateAssemblies = _serializedObject.FindProperty("hotUpdateAssemblies");
             _preserveHotUpdateAssemblies = _serializedObject.FindProperty("preserveHotUpdateAssemblies");
             _hotUpdateDllCompileOutputRootDir = _serializedObject.FindProperty("hotUpdateDllCompileOutputRootDir");
+            _externalHotUpdateAssembliyDirs = _serializedObject.FindProperty("externalHotUpdateAssembliyDirs");
             _strippedAOTDllOutputRootDir = _serializedObject.FindProperty("strippedAOTDllOutputRootDir");
             _patchAOTAssemblies = _serializedObject.FindProperty("patchAOTAssemblies");
             _differentialHybridAssemblies = _serializedObject.FindProperty("differentialHybridAssemblies");
@@ -136,6 +138,7 @@ namespace HybridCLR.Editor
                 EditorGUILayout.PropertyField(_hotUpdateAssemblies);
                 EditorGUILayout.PropertyField(_preserveHotUpdateAssemblies);
                 EditorGUILayout.PropertyField(_hotUpdateDllCompileOutputRootDir);
+                EditorGUILayout.PropertyField(_externalHotUpdateAssembliyDirs);
                 EditorGUILayout.PropertyField(_strippedAOTDllOutputRootDir);
                 EditorGUILayout.PropertyField(_patchAOTAssemblies);
                 EditorGUILayout.PropertyField(_differentialHybridAssemblies);
diff --git a/Editor/Settings/HybridCLRSettings.cs b/Editor/Settings/HybridCLRSettings.cs
index 2a7f0a0..d926b69 100644
--- a/Editor/Settings/HybridCLRSettings.cs
+++ b/Editor/Settings/HybridCLRSettings.cs
@@ -29,6 +29,9 @@ namespace HybridCLR.Editor
         [Header("热更新dll编译输出根目录")]
         public string hotUpdateDllCompileOutputRootDir = "HybridCLRData/HotUpdateDlls";
 
+        [Header("外部热更新dll搜索路径")]
+        public string[] externalHotUpdateAssembliyDirs;
+
         [Header("裁减后AOT dll输出根目录")]
         public string strippedAOTDllOutputRootDir = "HybridCLRData/AssembliesPostIl2CppStrip";
 
@@ -39,7 +42,7 @@ namespace HybridCLR.Editor
         public string[] differentialHybridAssemblies;
 
         [Header("差分混合热更新配置数据输出目录")]
-        public string differentialHybridOptionOutputDir = "Assets/StreamingAssets";
+        public string differentialHybridOptionOutputDir = "HybridCLRData/DifferentialHybridOptionDatas";
 
         [Header("生成link.xml时扫描asset中引用的类型")]
         public bool collectAssetReferenceTypes;
@@ -53,9 +56,6 @@ namespace HybridCLR.Editor
         [Header("AOT泛型实例化搜索迭代次数")]
         public int maxGenericReferenceIteration = 10;
 
-        //[Header("预留MonoPInvokeCallbackAttribute函数个数")]
-        //public int ReversePInvokeWrapperCount = 10;
-
         [Header("MethodBridge泛型搜索迭代次数")]
         public int maxMethodBridgeGenericIteration = 10;
     }
diff --git a/package.json b/package.json
index 66a9741..18c1324 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",