diff --git a/motion_generate_tools/__init__.py b/motion_generate_tools/__init__.py
index 6245cac..b205dec 100644
--- a/motion_generate_tools/__init__.py
+++ b/motion_generate_tools/__init__.py
@@ -18,7 +18,7 @@
 bl_info = {
     "name": "motion_generate_tools",
     "author": "UuuNyaa",
-    "version": (0, 0, 3),
+    "version": (0, 0, 4),
     "blender": (3, 3, 0),
     "location": "View3D > Sidebar > Panel",
     "description": "Utility tools for motion generating.",
diff --git a/motion_generate_tools/preferences.py b/motion_generate_tools/preferences.py
index a5680d1..88ba3be 100644
--- a/motion_generate_tools/preferences.py
+++ b/motion_generate_tools/preferences.py
@@ -21,11 +21,11 @@ def _lines_append(line: str):
 class DownloadClipModel(bpy.types.Operator):
     bl_idname = 'motion_generate_tools.download_clip_model'
     bl_label = 'Download CLIP Model'
-    bl_options = {'REGISTER'}
+    bl_options = {'REGISTER', 'INTERNAL'}
 
     @classmethod
     def poll(cls, _context):
-        return not setup_utils.is_installer_running()
+        return (not setup_utils.is_installer_running()) and setup_utils.get_required_modules()['clip']
 
     def execute(self, context):
         _LINES.clear()
@@ -37,7 +37,7 @@ def execute(self, context):
 class DeleteClipModel(bpy.types.Operator):
     bl_idname = 'motion_generate_tools.delete_clip_model'
     bl_label = 'Delete CLIP Model'
-    bl_options = {'REGISTER'}
+    bl_options = {'REGISTER', 'INTERNAL'}
 
     @classmethod
     def poll(cls, _context):
@@ -52,7 +52,7 @@ def execute(self, _context):
 class UpdatePythonModulesOperator(bpy.types.Operator):
     bl_idname = 'motion_generate_tools.update_python_modules'
     bl_label = 'Update Python Modules'
-    bl_options = {'REGISTER'}
+    bl_options = {'REGISTER', 'INTERNAL'}
 
     use_gpu: bpy.props.BoolProperty(default=False)
 
@@ -74,7 +74,7 @@ def execute(self, context):
 class UninstallPythonModulesOperator(bpy.types.Operator):
     bl_idname = 'motion_generate_tools.uninstall_python_modules'
     bl_label = 'Uninstall Python Modules'
-    bl_options = {'REGISTER'}
+    bl_options = {'REGISTER', 'INTERNAL'}
 
     @classmethod
     def poll(cls, _context):
@@ -93,7 +93,7 @@ def execute(self, context):
 class ListPythonModulesOperator(bpy.types.Operator):
     bl_idname = 'motion_generate_tools.list_python_modules'
     bl_label = 'List Python Modules'
-    bl_options = {'REGISTER'}
+    bl_options = {'REGISTER', 'INTERNAL'}
 
     @classmethod
     def poll(cls, _context):
@@ -117,17 +117,6 @@ class MotionGenerateToolsAddonPreferences(bpy.types.AddonPreferences):
     def draw(self, _context: bpy.types.Context):
         layout = self.layout
 
-        col = layout.column(align=True)
-        flow = col.grid_flow(align=True)
-        flow.row().label(text="CLIP Model:")
-        is_clip_model_exist = setup_utils.is_clip_model_exist()
-        if not is_clip_model_exist:
-            flow.row().label(text="Not found", icon='ERROR')
-            col.operator(DownloadClipModel.bl_idname)
-        else:
-            flow.row().label(text="OK", icon='CHECKMARK')
-            col.operator(DeleteClipModel.bl_idname)
-
         col = layout.column(align=True)
         flow = col.grid_flow(align=True)
         flow.row().label(text="Required Python Modules:")
@@ -140,6 +129,17 @@ def draw(self, _context: bpy.types.Context):
         flow.row().operator(UninstallPythonModulesOperator.bl_idname)
         flow.row().operator(ListPythonModulesOperator.bl_idname)
 
+        col = layout.column(align=True)
+        flow = col.grid_flow(align=True)
+        flow.row().label(text="CLIP Model:")
+        is_clip_model_exist = setup_utils.is_clip_model_exist()
+        if not is_clip_model_exist:
+            flow.row().label(text="Not found", icon='ERROR')
+            col.operator(DownloadClipModel.bl_idname)
+        else:
+            flow.row().label(text="OK", icon='CHECKMARK')
+            col.operator(DeleteClipModel.bl_idname)
+
         col = layout.column(align=False)
         row = col.row(align=True)
         row.prop(