diff --git a/GPT_SoVITS/onnx_export.py b/GPT_SoVITS/onnx_export_v1v2.py
similarity index 92%
rename from GPT_SoVITS/onnx_export.py
rename to GPT_SoVITS/onnx_export_v1v2.py
index 59a1a33e..700787c3 100644
--- a/GPT_SoVITS/onnx_export.py
+++ b/GPT_SoVITS/onnx_export_v1v2.py
@@ -14,6 +14,7 @@ import os
 import json
 from text import cleaned_text_to_sequence
 import onnxsim
+from onnxconverter_common import float16
 
 def simplify_onnx_model(onnx_model_path: str):
     # Load the ONNX model
@@ -23,6 +24,14 @@ def simplify_onnx_model(onnx_model_path: str):
     # Save the simplified model
     onnx.save(model_simplified, onnx_model_path)
 
+def convert_onnx_to_half(onnx_model_path:str):
+    try:
+        model = onnx.load(onnx_model_path)
+        model_fp16 = float16.convert_float_to_float16(model)
+        onnx.save(model_fp16, onnx_model_path)
+    except Exception as e:
+        print(f"Error converting {onnx_model_path} to half precision: {e}")
+
 
 def spectrogram_torch(y, n_fft, sampling_rate, hop_size, win_size, center=False):
     hann_window = torch.hann_window(win_size).to(dtype=y.dtype, device=y.device)
@@ -355,7 +364,7 @@ def combineInitStepAndStageStep(init_step_onnx_path, stage_step_onnx_path, combi
     print(f"Combined model saved to {combined_onnx_path}")
     
 
-def export(vits_path, gpt_path, project_name, voice_model_version, t2s_model_combine=False, export_audio_preprocessor=True):
+def export(vits_path, gpt_path, project_name, voice_model_version, t2s_model_combine=False, export_audio_preprocessor=True, half_precision=False):
     vits = VitsModel(vits_path, version=voice_model_version)
     gpt = T2SModel(gpt_path, vits)
     gpt_sovits = GptSoVits(vits, gpt)
@@ -444,6 +453,14 @@ def export(vits_path, gpt_path, project_name, voice_model_version, t2s_model_com
     if t2s_model_combine:
         combineInitStepAndStageStep(f'onnx/{project_name}/{project_name}_t2s_init_step.onnx', f'onnx/{project_name}/{project_name}_t2s_stage_step.onnx', f'onnx/{project_name}/{project_name}_t2s_combined.onnx')
 
+    if half_precision:
+        if t2s_model_combine:
+            convert_onnx_to_half(f"onnx/{project_name}/{project_name}_t2s_combined.onnx")
+        if export_audio_preprocessor:
+            convert_onnx_to_half(f"onnx/{project_name}/{project_name}_audio_preprocess.onnx")
+        convert_onnx_to_half(f"onnx/{project_name}/{project_name}_vits.onnx")
+        convert_onnx_to_half(f"onnx/{project_name}/{project_name}_t2s_init_step.onnx")
+        convert_onnx_to_half(f"onnx/{project_name}/{project_name}_t2s_stage_step.onnx")
 
 if __name__ == "__main__":
     try:
@@ -457,25 +474,25 @@ if __name__ == "__main__":
     vits_path = "GPT_SoVITS/pretrained_models/s2G488k.pth"
     exp_path = "v1_export"
     version = "v1"
-    export(vits_path, gpt_path, exp_path, version, t2s_model_combine = True)
+    export(vits_path, gpt_path, exp_path, version)
 
     gpt_path = "GPT_SoVITS/pretrained_models/gsv-v2final-pretrained/s1bert25hz-5kh-longer-epoch=12-step=369668.ckpt"
     vits_path = "GPT_SoVITS/pretrained_models/gsv-v2final-pretrained/s2G2333k.pth"
     exp_path = "v2_export"
     version = "v2"
-    export(vits_path, gpt_path, exp_path, version, t2s_model_combine = True)
+    export(vits_path, gpt_path, exp_path, version)
     
 
     gpt_path = "GPT_SoVITS/pretrained_models/s1v3.ckpt"
     vits_path = "GPT_SoVITS/pretrained_models/v2Pro/s2Gv2Pro.pth"
     exp_path = "v2pro_export"
     version = "v2Pro"
-    export(vits_path, gpt_path, exp_path, version, t2s_model_combine = True)
+    export(vits_path, gpt_path, exp_path, version)
 
     gpt_path = "GPT_SoVITS/pretrained_models/gsv-v2final-pretrained/s1bert25hz-5kh-longer-epoch=12-step=369668.ckpt"
     vits_path = "GPT_SoVITS/pretrained_models/v2Pro/s2Gv2ProPlus.pth"
     exp_path = "v2proplus_export"
     version = "v2ProPlus"
-    export(vits_path, gpt_path, exp_path, version, t2s_model_combine = True)
+    export(vits_path, gpt_path, exp_path, version, t2s_model_combine = True, half_precision=True)
 
 
diff --git a/requirements.txt b/requirements.txt
index d6f9a9ee..40f0976e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ onnx
 onnxruntime; platform_machine == "aarch64" or platform_machine == "arm64"
 onnxruntime-gpu; platform_machine == "x86_64" or platform_machine == "AMD64"
 onnxsim
-onnxruntime-tools
+onnxconverter-common
 tqdm
 funasr==1.0.27
 cn2an