diff --git a/GPT_SoVITS/feature_extractor/cnhubert.py b/GPT_SoVITS/feature_extractor/cnhubert.py
index 3ad90b9..d7e380b 100644
--- a/GPT_SoVITS/feature_extractor/cnhubert.py
+++ b/GPT_SoVITS/feature_extractor/cnhubert.py
@@ -4,6 +4,7 @@ import librosa
 import torch
 import torch.nn.functional as F
 import soundfile as sf
+import os
 from transformers import logging as tf_logging
 tf_logging.set_verbosity_error()
 
@@ -24,9 +25,11 @@ cnhubert_base_path = None
 class CNHubert(nn.Module):
     def __init__(self):
         super().__init__()
-        self.model = HubertModel.from_pretrained(cnhubert_base_path)
+        if os.path.exists(cnhubert_base_path):...
+        else:raise FileNotFoundError(cnhubert_base_path)
+        self.model = HubertModel.from_pretrained(cnhubert_base_path, local_files_only=True)
         self.feature_extractor = Wav2Vec2FeatureExtractor.from_pretrained(
-            cnhubert_base_path
+            cnhubert_base_path, local_files_only=True
         )
 
     def forward(self, x):
diff --git a/GPT_SoVITS/inference_webui.py b/GPT_SoVITS/inference_webui.py
index 9218b0d..c59544a 100644
--- a/GPT_SoVITS/inference_webui.py
+++ b/GPT_SoVITS/inference_webui.py
@@ -389,6 +389,10 @@ def merge_short_text_in_array(texts, threshold):
 cache= {}
 def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language, how_to_cut=i18n("不切"), top_k=20, top_p=0.6, temperature=0.6, ref_free = False,speed=1,if_freeze=False):
     global cache
+    if ref_wav_path:pass
+    else:gr.Warning(i18n('请上传参考音频'))
+    if text:pass
+    else:gr.Warning(i18n('请填入推理文本'))
     t = []
     if prompt_text is None or len(prompt_text) == 0:
         ref_free = True
@@ -413,6 +417,7 @@ def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language,
         with torch.no_grad():
             wav16k, sr = librosa.load(ref_wav_path, sr=16000)
             if (wav16k.shape[0] > 160000 or wav16k.shape[0] < 48000):
+                gr.Warning(i18n("参考音频在3~10秒范围外，请更换！"))
                 raise OSError(i18n("参考音频在3~10秒范围外，请更换！"))
             wav16k = torch.from_numpy(wav16k)
             zero_wav_torch = torch.from_numpy(zero_wav)
diff --git a/GPT_SoVITS/prepare_datasets/1-get-text.py b/GPT_SoVITS/prepare_datasets/1-get-text.py
index 7e18310..a1049b3 100644
--- a/GPT_SoVITS/prepare_datasets/1-get-text.py
+++ b/GPT_SoVITS/prepare_datasets/1-get-text.py
@@ -54,6 +54,8 @@ if os.path.exists(txt_path) == False:
     #     device = "mps"
     else:
         device = "cpu"
+    if os.path.exists(bert_pretrained_dir):...
+    else:raise FileNotFoundError(bert_pretrained_dir)
     tokenizer = AutoTokenizer.from_pretrained(bert_pretrained_dir)
     bert_model = AutoModelForMaskedLM.from_pretrained(bert_pretrained_dir)
     if is_half == True:
diff --git a/GPT_SoVITS/prepare_datasets/3-get-semantic.py b/GPT_SoVITS/prepare_datasets/3-get-semantic.py
index 6adece6..842a4dc 100644
--- a/GPT_SoVITS/prepare_datasets/3-get-semantic.py
+++ b/GPT_SoVITS/prepare_datasets/3-get-semantic.py
@@ -34,6 +34,8 @@ logging.getLogger("numba").setLevel(logging.WARNING)
 # os.environ["CUDA_VISIBLE_DEVICES"]=sys.argv[5]
 # opt_dir="/data/docker/liujing04/gpt-vits/fine_tune_dataset/%s"%exp_name
 
+if os.path.exists(pretrained_s2G):...
+else:raise FileNotFoundError(pretrained_s2G)
 
 hubert_dir = "%s/4-cnhubert" % (opt_dir)
 semantic_path = "%s/6-name2semantic-%s.tsv" % (opt_dir, i_part)
diff --git a/webui.py b/webui.py
index afe11b5..2a7b5d3 100644
--- a/webui.py
+++ b/webui.py
@@ -48,7 +48,6 @@ from tools import my_utils
 import traceback
 import shutil
 import pdb
-import gradio as gr
 from subprocess import Popen
 import signal
 from config import python_exec,infer_device,is_half,exp_root,webui_port_main,webui_port_infer_tts,webui_port_uvr5,webui_port_subfix,is_share
@@ -63,7 +62,9 @@ from scipy.io import wavfile
 from tools.my_utils import load_audio
 from multiprocessing import cpu_count
 # os.environ['PYTORCH_ENABLE_MPS_FALLBACK'] = '1' # 当遇到mps不支持的步骤时使用cpu
-
+import gradio.analytics as analytics
+analytics.version_check = lambda:None
+import gradio as gr
 n_cpu=cpu_count()
            
 ngpu = torch.cuda.device_count()
@@ -248,6 +249,7 @@ def open_asr(asr_inp_dir, asr_opt_dir, asr_model, asr_model_size, asr_lang, asr_
     if(p_asr==None):
         asr_inp_dir=my_utils.clean_path(asr_inp_dir)
         asr_opt_dir=my_utils.clean_path(asr_opt_dir)
+        check_for_exists([asr_inp_dir])
         cmd = f'"{python_exec}" tools/asr/{asr_dict[asr_model]["path"]}'
         cmd += f' -i "{asr_inp_dir}"'
         cmd += f' -o "{asr_opt_dir}"'
@@ -278,6 +280,7 @@ def open_denoise(denoise_inp_dir, denoise_opt_dir):
     if(p_denoise==None):
         denoise_inp_dir=my_utils.clean_path(denoise_inp_dir)
         denoise_opt_dir=my_utils.clean_path(denoise_opt_dir)
+        check_for_exists([denoise_inp_dir])
         cmd = '"%s" tools/cmd-denoise.py -i "%s" -o "%s" -p %s'%(python_exec,denoise_inp_dir,denoise_opt_dir,"float16"if is_half==True else "float32")
 
         yield "语音降噪任务开启：%s"%cmd, {"__type__":"update","visible":False}, {"__type__":"update","visible":True}, {"__type__":"update"}, {"__type__":"update"}
@@ -306,6 +309,7 @@ def open1Ba(batch_size,total_epoch,exp_name,text_low_lr_rate,if_save_latest,if_s
             data=json.loads(data)
         s2_dir="%s/%s"%(exp_root,exp_name)
         os.makedirs("%s/logs_s2"%(s2_dir),exist_ok=True)
+        check_for_exists([s2_dir],is_train=True)
         if(is_half==False):
             data["train"]["fp16_run"]=False
             batch_size=max(1,batch_size//2)
@@ -322,6 +326,7 @@ def open1Ba(batch_size,total_epoch,exp_name,text_low_lr_rate,if_save_latest,if_s
         data["data"]["exp_dir"]=data["s2_ckpt_dir"]=s2_dir
         data["save_weight_dir"]=SoVITS_weight_root[-int(version[-1])+2]
         data["name"]=exp_name
+        data["version"]=version
         tmp_config_path="%s/tmp_s2.json"%tmp
         with open(tmp_config_path,"w")as f:f.write(json.dumps(data))
 
@@ -351,6 +356,7 @@ def open1Bb(batch_size,total_epoch,exp_name,if_dpo,if_save_latest,if_save_every_
             data=yaml.load(data, Loader=yaml.FullLoader)
         s1_dir="%s/%s"%(exp_root,exp_name)
         os.makedirs("%s/logs_s1"%(s1_dir),exist_ok=True)
+        check_for_exists([s1_dir],is_train=True)
         if(is_half==False):
             data["train"]["precision"]="32"
             batch_size = max(1, batch_size // 2)
@@ -395,13 +401,14 @@ def open_slice(inp,opt_root,threshold,min_length,min_interval,hop_size,max_sil_k
     global ps_slice
     inp = my_utils.clean_path(inp)
     opt_root = my_utils.clean_path(opt_root)
+    check_for_exists([inp])
     if(os.path.exists(inp)==False):
-        yield "输入路径不存在", {"__type__":"update","visible":True}, {"__type__":"update","visible":False}, {"__type__": "update"}, {"__type__": "update"}
+        yield "输入路径不存在", {"__type__":"update","visible":True}, {"__type__":"update","visible":False}, {"__type__": "update"}, {"__type__": "update"}, {"__type__": "update"}
         return
     if os.path.isfile(inp):n_parts=1
     elif os.path.isdir(inp):pass
     else:
-        yield "输入路径存在但既不是文件也不是文件夹", {"__type__":"update","visible":True}, {"__type__":"update","visible":False}, {"__type__": "update"}, {"__type__": "update"}
+        yield "输入路径存在但既不是文件也不是文件夹", {"__type__":"update","visible":True}, {"__type__":"update","visible":False}, {"__type__": "update"}, {"__type__": "update"}, {"__type__": "update"}
         return
     if (ps_slice == []):
         for i_part in range(n_parts):
@@ -433,6 +440,7 @@ def open1a(inp_text,inp_wav_dir,exp_name,gpu_numbers,bert_pretrained_dir):
     global ps1a
     inp_text = my_utils.clean_path(inp_text)
     inp_wav_dir = my_utils.clean_path(inp_wav_dir)
+    check_for_exists([inp_text,inp_wav_dir])
     if (ps1a == []):
         opt_dir="%s/%s"%(exp_root,exp_name)
         config={
@@ -494,6 +502,7 @@ def open1b(inp_text,inp_wav_dir,exp_name,gpu_numbers,ssl_pretrained_dir):
     global ps1b
     inp_text = my_utils.clean_path(inp_text)
     inp_wav_dir = my_utils.clean_path(inp_wav_dir)
+    check_for_exists([inp_text,inp_wav_dir])
     if (ps1b == []):
         config={
             "inp_text":inp_text,
@@ -541,6 +550,7 @@ ps1c=[]
 def open1c(inp_text,exp_name,gpu_numbers,pretrained_s2G_path):
     global ps1c
     inp_text = my_utils.clean_path(inp_text)
+    check_for_exists([inp_text])
     if (ps1c == []):
         opt_dir="%s/%s"%(exp_root,exp_name)
         config={
@@ -599,6 +609,7 @@ def open1abc(inp_text,inp_wav_dir,exp_name,gpu_numbers1a,gpu_numbers1Ba,gpu_numb
     global ps1abc
     inp_text = my_utils.clean_path(inp_text)
     inp_wav_dir = my_utils.clean_path(inp_wav_dir)
+    check_for_exists([inp_text,inp_wav_dir])
     if (ps1abc == []):
         opt_dir="%s/%s"%(exp_root,exp_name)
         try:
@@ -730,11 +741,39 @@ def switch_version(version_):
     os.environ['version']=version_
     global version
     version = version_
+    if pretrained_sovits_name[-int(version[-1])+2] !='' and pretrained_gpt_name[-int(version[-1])+2] !='':...
+    else:   
+        gr.Warning(i18n(f'未下载{version.upper()}模型'))
+    return  {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2].replace("s2G","s2D")}, {'__type__':'update', 'value':pretrained_gpt_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_gpt_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2]}
+
+def check_for_exists(file_list=[],is_train=False):
+    _=[]
+    if is_train == True and file_list:
+        file_list.append(os.path.join(file_list[0],'2-name2text.txt'))
+        file_list.append(os.path.join(file_list[0],'3-bert'))
+        file_list.append(os.path.join(file_list[0],'4-cnhubert'))
+        file_list.append(os.path.join(file_list[0],'5-wav32k'))
+        file_list.append(os.path.join(file_list[0],'6-name2semantic.tsv'))
+    for file in file_list:
+        if os.path.exists(file):pass
+        else:_.append(file)
+    if _:
+        if is_train:
+            for i in _:
+                if i != '':
+                    gr.Warning(i)
+            gr.Warning(i18n('以下文件或文件夹不存在:'))
+        else:
+            if len(_) == 1:
+                if _[0]:
+                    gr.Warning(i)
+                gr.Warning(i18n('文件或文件夹不存在:'))
+            else:
+                for i in _:
+                    if i != '':
+                        gr.Warning(i)
+                gr.Warning(i18n('以下文件或文件夹不存在:'))
 
-    if len(pretrained_gpt_name) > 1 and len(pretrained_sovits_name) > 1:
-        return  {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2].replace("s2G","s2D")}, {'__type__':'update', 'value':pretrained_gpt_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_gpt_name[-int(version[-1])+2]}, {'__type__':'update', 'value':pretrained_sovits_name[-int(version[-1])+2]}
-    else:
-        raise gr.Error(i18n(f'未下载{version.upper()}模型'))
 
 
 from text.g2pw import G2PWPinyin