diff --git a/example/alexnet.yml b/example/alexnet.yml
new file mode 100644
index 00000000..89e308ee
--- /dev/null
+++ b/example/alexnet.yml
@@ -0,0 +1,14 @@
+weight: "~/.modelci/Alexnext/pytorch-pytorch/image_classification/1.pth"
+dataset: ImageNet
+task: IMAGE_CLASSIFICATION
+metric:
+  acc: 0.74
+inputs:
+  - name: "input"
+    shape: [ 1, 3, 224, 224 ]
+    dtype: TYPE_FP32
+outputs:
+  - name: "output"
+    shape: [ -1, 1000 ]
+    dtype: TYPE_FP32
+convert: false
\ No newline at end of file
diff --git a/modelci/cli/modelhub.py b/modelci/cli/modelhub.py
index 37218994..62299f02 100644
--- a/modelci/cli/modelhub.py
+++ b/modelci/cli/modelhub.py
@@ -13,16 +13,21 @@
 #  permissions and limitations under the License.
 from http import HTTPStatus
 from pathlib import Path
+from shutil import copy2, make_archive
 from typing import Dict, List, Optional
 
 import requests
 import typer
 import yaml
 from pydantic import ValidationError
+import modelci.persistence.service_ as ModelDB
+from modelci.hub.manager import generate_model_family
 
 from modelci.config import app_settings
+from modelci.hub.utils import parse_path_plain
 from modelci.types.models import Framework, Engine, IOShape, Task, Metric, ModelUpdateSchema
 from modelci.types.models import MLModelFromYaml, MLModel
+from modelci.types.models.common import ModelStatus
 from modelci.ui import model_view, model_detailed_view
 from modelci.utils import Logger
 from modelci.utils.misc import remove_dict_null
@@ -242,3 +247,50 @@ def delete(model_id: str = typer.Argument(..., help='Model ID')):
     with requests.delete(f'{app_settings.api_v1_prefix}/model/{model_id}') as r:
         if r.status_code == HTTPStatus.NO_CONTENT:
             typer.echo(f"Model {model_id} deleted")
+
+
+@app.command('convert')
+def convert(
+        id: str = typer.Option(None, '-i', '--id', help='ID of model.'),
+        yaml_file: Optional[Path] = typer.Option(
+            None, '-f', '--yaml-file', exists=True, file_okay=True,
+            help='Path to configuration YAML file. You should either set the `yaml_file` field or fields '
+                 '(`FILE_OR_DIR`, `--name`, `--framework`, `--engine`, `--version`, `--task`, `--dataset`,'
+                 '`--metric`, `--input`, `--output`).'
+        ),
+        register: bool = typer.Option(False, '-r', '--register', is_flag=True, help='register the converted models to modelhub, default false')
+):
+    if id is not None and yaml_file is not None:
+        typer.echo("Do not use -id and -path at the same time.")
+        typer.Exit()
+    elif id is not None and yaml_file is None:
+        if ModelDB.exists_by_id(id):
+            model = ModelDB.get_by_id(id)
+        else:
+            typer.echo(f"model id: {id} does not exist in modelhub")
+    elif id is None and yaml_file is not None:
+        # get MLModel from yaml file
+        with open(yaml_file) as f:
+            model_config = yaml.safe_load(f)
+        model_yaml = MLModelFromYaml.parse_obj(model_config)
+        model_in_saved_path = model_yaml.saved_path
+        if model_in_saved_path != model_yaml.weight:
+            copy2(model_yaml.weight, model_in_saved_path)
+        if model_yaml.engine == Engine.TFS:
+            weight_dir = model_yaml.weight
+            make_archive(weight_dir.with_suffix('.zip'), 'zip', weight_dir)
+
+        model_data = model_yaml.dict(exclude_none=True, exclude={'convert', 'profile'})
+        model = MLModel.parse_obj(model_data)
+
+    # auto execute all possible convert and return a list of save paths of every converted model
+    generated_dir_list = generate_model_family(model)
+    typer.echo(f"Converted models are save in: {generated_dir_list}")
+    if register:
+        model_data = model.dict(exclude={'weight', 'id', 'model_status', 'engine'})
+        for model_dir in generated_dir_list:
+            parse_result = parse_path_plain(model_dir)
+            engine = parse_result['engine']
+            model_cvt = MLModel(**model_data, weight=model_dir, engine=engine, model_status=[ModelStatus.CONVERTED])
+            ModelDB.save(model_cvt)
+            typer.echo(f"converted {engine} are successfully registered in Modelhub")
\ No newline at end of file
diff --git a/modelci/hub/manager.py b/modelci/hub/manager.py
index 94c160ae..b93794ad 100644
--- a/modelci/hub/manager.py
+++ b/modelci/hub/manager.py
@@ -36,7 +36,7 @@
 from modelci.types.bo import Task, ModelVersion, Framework, ModelBO
 
 __all__ = ['get_remote_model_weight', 'register_model', 'register_model_from_yaml', 'retrieve_model',
-           'retrieve_model_by_task', 'retrieve_model_by_parent_id']
+           'retrieve_model_by_task', 'retrieve_model_by_parent_id', 'generate_model_family']
 
 from modelci.types.models.common import Engine, ModelStatus
 
@@ -72,7 +72,7 @@ def register_model(
 
     # generate model family
     if convert:
-        model_dir_list.extend(_generate_model_family(model))
+        model_dir_list.extend(generate_model_family(model))
 
     # register
     model_data = model.dict(exclude={'weight', 'id', 'model_status', 'engine'})
@@ -149,11 +149,17 @@ def register_model_from_yaml(file_path: Union[Path, str]):
     register_model(model, convert=model_yaml.convert, profile=model_yaml.profile)
 
 
-def _generate_model_family(
+def generate_model_family(
         model: MLModel,
         max_batch_size: int = -1
 ):
-    net = load(model.saved_path)
+    model_weight_path = model.saved_path
+    if not Path(model.saved_path).exists():
+        (filepath, filename) = os.path.split(model.saved_path)
+        os.makedirs(filepath)
+        with open(model.saved_path, 'wb') as f:
+            f.write(model.weight.__bytes__())
+    net = load(model_weight_path)
     build_saved_dir_from_engine = partial(
         generate_path_plain,
         **model.dict(include={'architecture', 'framework', 'task', 'version'}),
@@ -323,4 +329,4 @@ def retrieve_model_by_parent_id(parent_id: str) -> List[ModelBO]:
     if len(models) == 0:
         raise FileNotFoundError('Model not found!')
 
-    return models
+    return models
\ No newline at end of file