diff --git a/__init__.py b/__init__.py
index 31d30828..02ff5cac 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,7 +1,37 @@
-from .modules import manager_ext_server
-from .modules import share_3rdparty
+legacy_manager_core_path = None
+manager_core_path = None
 
-WEB_DIRECTORY = "js"
 
-NODE_CLASS_MAPPINGS = {}
-__all__ = ['NODE_CLASS_MAPPINGS']
+def is_manager_core_exists():
+    global legacy_manager_core_path
+    global manager_core_path
+    import os
+    import folder_paths
+
+    comfy_path = os.path.dirname(folder_paths.__file__)
+    legacy_manager_core_path = os.path.join(comfy_path, 'custom_nodes', 'manager-core')
+    manager_core_path = legacy_manager_core_path
+
+    manager_core_path_file = os.path.join(comfy_path, 'manager_core_path.txt')
+    if os.path.exists(manager_core_path_file):
+        with open(manager_core_path_file, 'r') as f:
+            manager_core_path = os.path.join(f.read().strip(), 'manager-core')
+
+    return os.path.exists(manager_core_path) or os.path.exists(legacy_manager_core_path)
+
+
+if not is_manager_core_exists():
+    from .modules import migration_server
+    migration_server.manager_core_path = manager_core_path
+
+    WEB_DIRECTORY = "migration_js"
+    NODE_CLASS_MAPPINGS = {}
+else:
+    # Main code
+    from .modules import manager_ext_server
+    from .modules import share_3rdparty
+
+    WEB_DIRECTORY = "js"
+
+    NODE_CLASS_MAPPINGS = {}
+    __all__ = ['NODE_CLASS_MAPPINGS']
\ No newline at end of file
diff --git a/migration_js/migration.js b/migration_js/migration.js
new file mode 100644
index 00000000..f063e17f
--- /dev/null
+++ b/migration_js/migration.js
@@ -0,0 +1,34 @@
+import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
+
+app.registerExtension({
+	name: "Comfy.ManagerExtMenu",
+	init() {
+		$el("style", {
+			textContent: style,
+			parent: document.head,
+		});
+	},
+	async setup() {
+			let cmGroup = new (await import("../../scripts/ui/components/buttonGroup.js")).ComfyButtonGroup(
+				new(await import("../../scripts/ui/components/button.js")).ComfyButton({
+					icon: "puzzle",
+					action: async () => {
+						if(confirm('As some features of ComfyUI Manager have been integrated into ComfyUI, they have been separated into manager-core.\n\nComfyUI Manager only includes additional extension features that are not provided by manager-core.\n\nWill you install manager-core?')) {
+							app.ui.dialog.show('Installing manager-core...');
+							app.ui.dialog.element.style.zIndex = 10010;
+
+							await api.fetchApi("/manager/install_manager_core");
+
+							app.ui.dialog.show('The installation of manager-core will be completed after restarting.');
+						}
+					},
+					tooltip: "Need to install manager-core",
+					content: "Manager (Need To Install)",
+					classList: "comfyui-button comfyui-menu-mobile-collapse primary"
+				}).element
+			);
+
+			app.menu?.settingsGroup.element.before(cmGroup.element);
+	}
+});
\ No newline at end of file
diff --git a/modules/migration_server.py b/modules/migration_server.py
new file mode 100644
index 00000000..45f7d404
--- /dev/null
+++ b/modules/migration_server.py
@@ -0,0 +1,17 @@
+import git
+from aiohttp import web
+from server import PromptServer
+
+manager_core_path = None
+manager_core_url = "https://github.com/Comfy-Org/manager-core"
+
+@PromptServer.instance.routes.get("/manager/install_manager_core")
+def install_manager_core(request):
+    if manager_core_path is not None:
+        repo = git.Repo.clone_from(manager_core_url, manager_core_path)
+        repo.git.clear_cache()
+        repo.close()
+    else:
+        print(f"[ComfyUI Manager] Failed to install `manager-core`")
+
+    return web.Response(status=200)