diff --git a/ChatTTS/core.py b/ChatTTS/core.py
index f49139d..6553ef8 100644
--- a/ChatTTS/core.py
+++ b/ChatTTS/core.py
@@ -1,5 +1,5 @@
 
-import os
+import os, sys
 import json
 import logging
 from functools import partial
@@ -63,7 +63,7 @@ class Chat:
                     download_all_assets(tmpdir=tmp)
                 if not check_all_assets(update=False):
                     logging.error("counld not satisfy all assets needed.")
-                    exit(1)
+                    return False
         elif source == 'huggingface':
             hf_home = os.getenv('HF_HOME', os.path.expanduser("~/.cache/huggingface"))
             try:
@@ -79,7 +79,7 @@ class Chat:
             self.logger.log(logging.INFO, f'Load from local: {custom_path}')
             download_path = custom_path
 
-        self._load(**{k: os.path.join(download_path, v) for k, v in OmegaConf.load(os.path.join(download_path, 'config', 'path.yaml')).items()}, **kwargs)
+        return self._load(**{k: os.path.join(download_path, v) for k, v in OmegaConf.load(os.path.join(download_path, 'config', 'path.yaml')).items()}, **kwargs)
         
     def _load(
         self, 
@@ -148,7 +148,7 @@ class Chat:
             self.pretrain_models['tokenizer'] = tokenizer
             self.logger.log(logging.INFO, 'tokenizer loaded.')
             
-        self.check_model()
+        return self.check_model()
     
     def _infer(
         self, 
diff --git a/examples/cmd/run.py b/examples/cmd/run.py
index 8793ec5..7af340f 100644
--- a/examples/cmd/run.py
+++ b/examples/cmd/run.py
@@ -31,8 +31,11 @@ def main():
 
     chat = ChatTTS.Chat()
     print("Initializing ChatTTS...")
-    chat.load_models()
-    print("Models loaded successfully.")
+    if chat.load_models():
+        print("Models loaded successfully.")
+    else:
+        print("Models load failed.")
+        sys.exit(1)
 
     texts = [text_input]
     print("Text prepared for inference:", texts)
diff --git a/examples/web/webui.py b/examples/web/webui.py
index d6896ab..3be454a 100644
--- a/examples/web/webui.py
+++ b/examples/web/webui.py
@@ -182,10 +182,17 @@ def main():
     chat = ChatTTS.Chat()
 
     if args.custom_path == None:
-        chat.load_models()
+        ret = chat.load_models()
     else:
         print('local model path:', args.custom_path)
-        chat.load_models('custom', custom_path=args.custom_path)
+        ret = chat.load_models('custom', custom_path=args.custom_path)
+    
+    if ret:
+        print("Models loaded successfully.")
+    else:
+        print("Models load failed.")
+        sys.exit(1)
+
 
     demo.launch(server_name=args.server_name, server_port=args.server_port, root_path=args.root_path, inbrowser=True)