feat: set model_path in ENV

app.py

@@ -130,7 +130,7 @@ LANGUAGES = {
 
 # Model configuration
 SYSTEM_PROMPT = "You are a speech synthesizer that generates natural, realistic, and human-like conversational audio from dialogue text."
-MODEL_PATH = "fnlp/MOSS-TTSD-v0.5"
+MODEL_PATH = os.environ["MODEL_REPO_ID"]
 SPT_CONFIG_PATH = "XY_Tokenizer/config/xy_tokenizer_config.yaml"
 # SPT_CHECKPOINT_PATH = "XY_Tokenizer/weights/xy_tokenizer.ckpt"
 MAX_CHANNELS = 8