feat: enhance model download instructions and script.

README.md

@@ -78,7 +78,19 @@ sudo yum install sox sox-devel
 
 **Model download**
 
-We strongly recommend that you download our pretrained `CosyVoice2-0.5B` `CosyVoice-300M` `CosyVoice-300M-SFT` `CosyVoice-300M-Instruct` model and `CosyVoice-ttsfrd` resource.
+We strongly recommend that you download our pretrained `CosyVoice2-0.5B` `CosyVoice-300M` `CosyVoice-300M-SFT` `CosyVoice-300M-Instruct` model and `CosyVoice-ttsfrd` resource using the script:
+
+On Windows:
+```bash
+python .\tools\models_download.py
+```
+
+On Linux/Mac:
+```bash
+python ./tools/models_download.py
+```
+
+Alternatively, you can also download models manually:
 
 ``` python
 # SDK模型下载

tools/models_download.py

@@ -0,0 +1,24 @@
+# Model download using SDK
+from modelscope import snapshot_download
+import os
+
+# Get paths
+CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
+PARENT_DIR = os.path.dirname(CURRENT_DIR)
+
+# Model name constants
+MODEL_NAMES = {
+    "base": "CosyVoice2-0.5B",
+    "hz25": "CosyVoice-300M-25Hz",
+    "sft": "CosyVoice-300M-SFT",
+    "instruct": "CosyVoice-300M-Instruct",
+    "ttsfrd": "CosyVoice-ttsfrd"
+}
+
+# Model storage directory name
+MODELS_DIR = "pretrained_models"
+
+# Download all models
+for model_key, model_name in MODEL_NAMES.items():
+    target_dir = os.path.join(PARENT_DIR, MODELS_DIR, model_name)
+    snapshot_download(f"iic/{model_name}", local_dir=target_dir)