Update app.py

app.py

@@ -22,12 +22,12 @@ MAX_MEMORY     = 20
 MAX_NEW_TOKENS = int(os.environ.get("MAX_NEW_TOKENS", "300"))
 TTS_VOICE      = "zh-CN-XiaoyiNeural"
 TTS_RATE       = int(os.environ.get("TTS_RATE",  "-4"))
-TTS_PITCH      = int(os.environ.get("TTS_PITCH", "7"))
+TTS_PITCH      = int(os.environ.get("TTS_PITCH", "6"))
 IMG_DIR        = Path(__file__).parent / "img"
 
 # You can swap this with ANY GGUF model 
 GGUF_REPO      = os.environ.get("GGUF_REPO", "Qwen/Qwen2.5-1.5B-Instruct-GGUF")
-GGUF_FILE      = os.environ.get("GGUF_FILE", "qwen2.5-1.5b-instruct-q2_k_m.gguf")
+GGUF_FILE      = os.environ.get("GGUF_FILE", "qwen2.5-1.5b-instruct-q2_k.gguf")
 MODEL_DIR      = Path(__file__).parent / "models"
 LLAMA_BIN_DIR  = Path(__file__).parent / "llama_bin"
 LLAMA_EXE      = LLAMA_BIN_DIR / "llama-server"