diff --git a/GPT_SoVITS/inference_webui.py b/GPT_SoVITS/inference_webui.py
index a361ed58..6da6b8ca 100644
--- a/GPT_SoVITS/inference_webui.py
+++ b/GPT_SoVITS/inference_webui.py
@@ -83,11 +83,10 @@ cnhubert_base_path = os.environ.get("cnhubert_base_path", "GPT_SoVITS/pretrained
 bert_path = os.environ.get("bert_path", "GPT_SoVITS/pretrained_models/chinese-roberta-wwm-ext-large")
 infer_ttswebui = os.environ.get("infer_ttswebui", 9872)
 infer_ttswebui = int(infer_ttswebui)
-is_share = os.environ.get("is_share", "False")
-is_share = eval(is_share)
+is_share = os.environ.get("is_share", "False").lower() in ("true", "1", "yes")
 if "_CUDA_VISIBLE_DEVICES" in os.environ:
     os.environ["CUDA_VISIBLE_DEVICES"] = os.environ["_CUDA_VISIBLE_DEVICES"]
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 # is_half=False
 punctuation = set(["!", "?", "…", ",", ".", "-", " "])
 import gradio as gr
diff --git a/GPT_SoVITS/inference_webui_fast.py b/GPT_SoVITS/inference_webui_fast.py
index 92d145b3..fb09a8c6 100644
--- a/GPT_SoVITS/inference_webui_fast.py
+++ b/GPT_SoVITS/inference_webui_fast.py
@@ -44,12 +44,11 @@ logging.getLogger("torchaudio._extension").setLevel(logging.ERROR)
 
 infer_ttswebui = os.environ.get("infer_ttswebui", 9872)
 infer_ttswebui = int(infer_ttswebui)
-is_share = os.environ.get("is_share", "False")
-is_share = eval(is_share)
+is_share = os.environ.get("is_share", "False").lower() in ("true", "1", "yes")
 if "_CUDA_VISIBLE_DEVICES" in os.environ:
     os.environ["CUDA_VISIBLE_DEVICES"] = os.environ["_CUDA_VISIBLE_DEVICES"]
 
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 gpt_path = os.environ.get("gpt_path", None)
 sovits_path = os.environ.get("sovits_path", None)
 cnhubert_base_path = os.environ.get("cnhubert_base_path", None)
diff --git a/GPT_SoVITS/prepare_datasets/1-get-text.py b/GPT_SoVITS/prepare_datasets/1-get-text.py
index 8d83e79a..bebb5715 100644
--- a/GPT_SoVITS/prepare_datasets/1-get-text.py
+++ b/GPT_SoVITS/prepare_datasets/1-get-text.py
@@ -13,7 +13,7 @@ opt_dir = os.environ.get("opt_dir")
 bert_pretrained_dir = os.environ.get("bert_pretrained_dir")
 import torch
 
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 version = os.environ.get("version", None)
 import traceback
 import os.path
diff --git a/GPT_SoVITS/prepare_datasets/2-get-hubert-wav32k.py b/GPT_SoVITS/prepare_datasets/2-get-hubert-wav32k.py
index 3a84c014..b8f55487 100644
--- a/GPT_SoVITS/prepare_datasets/2-get-hubert-wav32k.py
+++ b/GPT_SoVITS/prepare_datasets/2-get-hubert-wav32k.py
@@ -16,7 +16,7 @@ opt_dir = os.environ.get("opt_dir")
 cnhubert.cnhubert_base_path = os.environ.get("cnhubert_base_dir")
 import torch
 
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 
 import traceback
 import numpy as np
diff --git a/GPT_SoVITS/prepare_datasets/2-get-sv.py b/GPT_SoVITS/prepare_datasets/2-get-sv.py
index 80b0ad69..1e7a5de4 100644
--- a/GPT_SoVITS/prepare_datasets/2-get-sv.py
+++ b/GPT_SoVITS/prepare_datasets/2-get-sv.py
@@ -15,7 +15,7 @@ opt_dir = os.environ.get("opt_dir")
 sv_path = os.environ.get("sv_path")
 import torch
 
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 
 import traceback
 import torchaudio
diff --git a/GPT_SoVITS/prepare_datasets/3-get-semantic.py b/GPT_SoVITS/prepare_datasets/3-get-semantic.py
index ddb0607c..a0b592e3 100644
--- a/GPT_SoVITS/prepare_datasets/3-get-semantic.py
+++ b/GPT_SoVITS/prepare_datasets/3-get-semantic.py
@@ -28,7 +28,7 @@ else:
     version = "v3"
 import torch
 
-is_half = eval(os.environ.get("is_half", "True")) and torch.cuda.is_available()
+is_half = os.environ.get("is_half", "True").lower() in ("true", "1", "yes") and torch.cuda.is_available()
 import traceback
 import sys
 
diff --git a/tools/subfix_webui.py b/tools/subfix_webui.py
index 51a7dfad..531ceab5 100644
--- a/tools/subfix_webui.py
+++ b/tools/subfix_webui.py
@@ -420,6 +420,6 @@ if __name__ == "__main__":
         server_name="0.0.0.0",
         inbrowser=True,
         # quiet=True,
-        share=eval(args.is_share),
+        share=args.is_share.lower() in ("true", "1", "yes"),
         server_port=int(args.webui_port_subfix),
     )
diff --git a/tools/uvr5/webui.py b/tools/uvr5/webui.py
index f5f8d3f6..305f6b5d 100644
--- a/tools/uvr5/webui.py
+++ b/tools/uvr5/webui.py
@@ -25,9 +25,9 @@ for name in os.listdir(weight_uvr5_root):
         uvr5_names.append(name.replace(".pth", "").replace(".ckpt", ""))
 
 device = sys.argv[1]
-is_half = eval(sys.argv[2])
+is_half = sys.argv[2].lower() in ("true", "1", "yes")
 webui_port_uvr5 = int(sys.argv[3])
-is_share = eval(sys.argv[4])
+is_share = sys.argv[4].lower() in ("true", "1", "yes")
 
 
 def html_left(text, label="p"):