diff --git a/Assets/Models/jxb.glb b/Assets/Models/jxb.glb
new file mode 100644
index 00000000..2546206f
Binary files /dev/null and b/Assets/Models/jxb.glb differ
diff --git a/Assets/Models/jxb.glb.meta b/Assets/Models/jxb.glb.meta
new file mode 100644
index 00000000..0de72b67
--- /dev/null
+++ b/Assets/Models/jxb.glb.meta
@@ -0,0 +1,8 @@
+{
+    "guid": "96aefc6e2ae14575a3bd6d29a6cd7a0c",
+    "asset_type": "model",
+    "source_hash": "7916e67bf644e61e2d7b7776ef8df40ef8623aaceda16b873c64d0a3f1a4faba",
+    "importer": "model_importer",
+    "import_settings": {},
+    "dependency_guids": []
+}
\ No newline at end of file
diff --git a/main.py b/main.py
index 8276a90a..86f28261 100644
--- a/main.py
+++ b/main.py
@@ -536,20 +536,36 @@ class MyWorld(PanelDelegates, CoreWorld):
 
         visible = bool(visible)
         previous = bool(getattr(self, attr_name, False))
-        setattr(self, attr_name, visible)
 
         if panel_key == "web" and previous != visible:
+            setattr(self, attr_name, visible)
             if not visible:
                 try:
                     self.editor_panels._stop_imgui_webview()
                 except Exception:
                     pass
+            return
 
         if panel_key == "lui_editor" and hasattr(self, "lui_manager"):
+            lui_available = bool(getattr(self.lui_manager, "lui_enabled", False))
+            if visible and not lui_available:
+                setattr(self, attr_name, False)
+                if hasattr(self, "messages"):
+                    self.add_warning_message("当前环境未启用LUI（缺少 lui 模块），LUI编辑器不可用")
+                else:
+                    print("⚠ 当前环境未启用LUI（缺少 lui 模块），LUI编辑器不可用")
+                return
+
+            setattr(self, attr_name, visible)
             try:
                 self.lui_manager.show_editor = visible
+                if visible and not previous:
+                    self.lui_manager._request_window_focus = True
             except Exception:
                 pass
+            return
+
+        setattr(self, attr_name, visible)
 
     def reset_panel_visibility_to_defaults(self):
         for panel_key, default_visible in self._default_panel_visibility.items():
diff --git a/ui/LUI/lui_manager_editor.py b/ui/LUI/lui_manager_editor.py
index 6542b592..79e009f3 100644
--- a/ui/LUI/lui_manager_editor.py
+++ b/ui/LUI/lui_manager_editor.py
@@ -1562,7 +1562,22 @@ class LUIManagerEditorMixin:
         if not self.lui_enabled or not self.show_editor:
             return
 
+        default_pos = (20.0, 40.0)
+        try:
+            viewport = imgui.get_main_viewport()
+            default_pos = (
+                float(viewport.pos.x) + 20.0,
+                float(viewport.pos.y) + float(imgui.get_frame_height()) + 20.0,
+            )
+        except Exception:
+            pass
+
         imgui.set_next_window_size((350, 600), imgui.Cond_.first_use_ever)
+        imgui.set_next_window_pos(default_pos, imgui.Cond_.appearing)
+        if getattr(self, "_request_window_focus", False):
+            self._request_window_focus = False
+            imgui.set_next_window_pos(default_pos, imgui.Cond_.always)
+            imgui.set_next_window_focus()
         with imgui_ctx.begin("LUI编辑器", self.show_editor) as window:
             self.show_editor = bool(window.opened)
             if hasattr(self, "world") and hasattr(self.world, "set_panel_visible"):
diff --git a/ui/panels/editor_panels_top.py b/ui/panels/editor_panels_top.py
index 81ff9130..670fcf58 100644
--- a/ui/panels/editor_panels_top.py
+++ b/ui/panels/editor_panels_top.py
@@ -331,9 +331,19 @@ class EditorPanelsTopMixin:
                             changed, visible = imgui.menu_item("脚本管理", "", self.app.is_panel_visible("script"), True)
                             if changed:
                                 self.app.set_panel_visible("script", visible)
-                            changed, visible = imgui.menu_item("LUI编辑器", "", self.app.is_panel_visible("lui_editor"), True)
+                            lui_available = bool(
+                                getattr(getattr(self.app, "lui_manager", None), "lui_enabled", False)
+                            )
+                            changed, visible = imgui.menu_item(
+                                "LUI编辑器",
+                                "",
+                                self.app.is_panel_visible("lui_editor"),
+                                lui_available,
+                            )
                             if changed:
                                 self.app.set_panel_visible("lui_editor", visible)
+                            if not lui_available and imgui.is_item_hovered():
+                                imgui.set_tooltip("当前环境未启用LUI（缺少 lui 模块）")
                             changed, visible = imgui.menu_item("Web面板", "", self.app.is_panel_visible("web"), True)
                             if changed:
                                 self.app.set_panel_visible("web", visible)