diff --git a/src/gpt_sovits/infer/__init__.py b/src/gpt_sovits/infer/__init__.py
index 09f5e954..b8489e86 100644
--- a/src/gpt_sovits/infer/__init__.py
+++ b/src/gpt_sovits/infer/__init__.py
@@ -1,9 +1,9 @@
 from gpt_sovits.infer.inference import GPTSoVITSInference
 from gpt_sovits.infer.inference_pool import GPTSoVITSInferencePool
-from gpt_sovits.infer.interface import GPTSoVITSInferenceSimple
+from gpt_sovits.infer.interface import GPTSoVITSInterfaceSimple
 
 __all__ = [
     "GPTSoVITSInference",
     "GPTSoVITSInferencePool",
-    "GPTSoVITSInferenceSimple",
+    "GPTSoVITSInterfaceSimple",
 ]
diff --git a/src/gpt_sovits/infer/interface.py b/src/gpt_sovits/infer/interface.py
index ce96f301..64a80749 100644
--- a/src/gpt_sovits/infer/interface.py
+++ b/src/gpt_sovits/infer/interface.py
@@ -51,7 +51,7 @@ def read_config_data(config_data_base: str) -> ConfigData:
 PromptType = Union[str, Tuple[str, int, "np.ndarray"]]
 
 
-class GPTSoVITSInferenceSimple:
+class GPTSoVITSInterfaceSimple:
     config_data: ConfigData
     working_model: Optional[str]
     working_prompt: Optional[str]
@@ -63,7 +63,7 @@ def __init__(
         self,
         config_data_base: str,
         device: Optional[str] = None,
-        is_half: Optional[bool] = False,
+        is_half: Optional[bool] = True,
     ):
         self.config_data = read_config_data(config_data_base)
         self.working_model = None