diff --git a/.gitattributes b/.gitattributes
index f69af18..e69de29 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +0,0 @@
-*.pth filter=lfs diff=lfs merge=lfs -text
-*.pb filter=lfs diff=lfs merge=lfs -text
-*.onnx filter=lfs diff=lfs merge=lfs -text
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 699b799..5e344c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,10 @@
 *.pyc
 __pycache__
-/results/
\ No newline at end of file
+/results/
+
+lm.pb
+model_1.onnx
+model.pb
+*.msc
+lite_avatar_weights/
+*.mv
\ No newline at end of file
diff --git a/README.md b/README.md
index a005be7..d4c8910 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,16 @@ We recommend a python version = 3.10 and cuda version = 11.8. Then build environ
 ```shell
 pip install -r requirements.txt
 ```
+
+## Model Preparation
+```shell
+# for windows
+download_model.bat
+
+# for linux
+bash download_model.sh
+```
+
 ## Inference
 ```
 python lite_avatar.py --data_dir /path/to/sample_data --audio_file /path/to/audio.wav --result_dir /path/to/result
diff --git a/download_model.bat b/download_model.bat
new file mode 100644
index 0000000..1a9f2bc
--- /dev/null
+++ b/download_model.bat
@@ -0,0 +1,21 @@
+@echo off
+REM Download LiteAvatar model files using modelscope
+
+echo Downloading LiteAvatar model files...
+
+modelscope download --model HumanAIGC-Engineering/LiteAvatarGallery lite_avatar_weights/lm.pb lite_avatar_weights/model_1.onnx lite_avatar_weights/model.pb --local_dir ./
+if %errorlevel% neq 0 (
+    echo Error downloading lite_avatar_weights
+    pause
+    exit /b 1
+)
+
+@REM move file
+move lite_avatar_weights\lm.pb ./weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/lm/
+move lite_avatar_weights\model_1.onnx ./weights/
+move lite_avatar_weights\model.pb ./weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/
+
+@REM remove folder
+rmdir lite_avatar_weights
+
+echo All model files downloaded successfully!
diff --git a/download_model.sh b/download_model.sh
new file mode 100644
index 0000000..4a6fdc4
--- /dev/null
+++ b/download_model.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# download model
+echo "Downloading LiteAvatar model files..."
+
+modelscope download --model HumanAIGC-Engineering/LiteAvatarGallery lite_avatar_weights/lm.pb lite_avatar_weights/model_1.onnx lite_avatar_weights/model.pb --local_dir ./
+
+# move file
+mv lite_avatar_weights/lm.pb ./weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/lm/
+mv lite_avatar_weights/model_1.onnx ./weights/
+mv lite_avatar_weights/model.pb ./weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/
+
+# remove folder
+rm -rf lite_avatar_weights
+
+echo "All model files downloaded successfully!"
diff --git a/weights/model_1.onnx b/weights/model_1.onnx
deleted file mode 100644
index 67addc8..0000000
--- a/weights/model_1.onnx
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:312f0213a23a1c17ecb66f9edf8413b8ef193c0d4d2f5f9dd6714a178492c34c
-size 184415825
diff --git a/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/lm/lm.pb b/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/lm/lm.pb
deleted file mode 100644
index 1414f72..0000000
--- a/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/lm/lm.pb
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5b59db5f607fde57bd8d6c8df8f22ce5b37ec7adcdb7b4ee785a4478f06c1c50
-size 237373385
diff --git a/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/model.pb b/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/model.pb
deleted file mode 100644
index 0bcfb7b..0000000
--- a/weights/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/model.pb
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5bba782a5e9196166233b9ab12ba04cadff9ef9212b4ff6153ed9290ff679025
-size 880502012