diff --git a/webui.py b/webui.py
index 9a6aae5f..cf5d8a3a 100644
--- a/webui.py
+++ b/webui.py
@@ -343,7 +343,7 @@ def change_tts_inference(bert_path, cnhubert_base_path, gpu_number, gpt_path, so
         os.environ["sovits_path"] = sovits_path
         os.environ["cnhubert_base_path"] = cnhubert_base_path
         os.environ["bert_path"] = bert_path
-        os.environ["_CUDA_VISIBLE_DEVICES"] = fix_gpu_number(gpu_number)
+        os.environ["_CUDA_VISIBLE_DEVICES"] = str(fix_gpu_number(gpu_number))
         os.environ["is_half"] = str(is_half)
         os.environ["infer_ttswebui"] = str(webui_port_infer_tts)
         os.environ["is_share"] = str(is_share)
@@ -628,7 +628,7 @@ def open1Bb(
         data["output_dir"] = "%s/logs_s1_%s" % (s1_dir, version)
         # data["version"]=version
 
-        os.environ["_CUDA_VISIBLE_DEVICES"] = fix_gpu_numbers(gpu_numbers.replace("-", ","))
+        os.environ["_CUDA_VISIBLE_DEVICES"] = str(fix_gpu_numbers(gpu_numbers.replace("-", ",")))
         os.environ["hz"] = "25hz"
         tmp_config_path = "%s/tmp_s1.yaml" % tmp
         with open(tmp_config_path, "w") as f:
@@ -801,7 +801,7 @@ def open1a(inp_text, inp_wav_dir, exp_name, gpu_numbers, bert_pretrained_dir):
                 {
                     "i_part": str(i_part),
                     "all_parts": str(all_parts),
-                    "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                    "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                     "is_half": str(is_half),
                 }
             )
@@ -892,7 +892,7 @@ def open1b(version, inp_text, inp_wav_dir, exp_name, gpu_numbers, ssl_pretrained
                 {
                     "i_part": str(i_part),
                     "all_parts": str(all_parts),
-                    "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                    "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                 }
             )
             os.environ.update(config)
@@ -914,7 +914,7 @@ def open1b(version, inp_text, inp_wav_dir, exp_name, gpu_numbers, ssl_pretrained
                     {
                         "i_part": str(i_part),
                         "all_parts": str(all_parts),
-                        "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                        "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                     }
                 )
                 os.environ.update(config)
@@ -986,7 +986,7 @@ def open1c(version, inp_text, inp_wav_dir, exp_name, gpu_numbers, pretrained_s2G
                 {
                     "i_part": str(i_part),
                     "all_parts": str(all_parts),
-                    "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                    "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                 }
             )
             os.environ.update(config)
@@ -1086,7 +1086,7 @@ def open1abc(
                         {
                             "i_part": str(i_part),
                             "all_parts": str(all_parts),
-                            "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                            "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                         }
                     )
                     os.environ.update(config)
@@ -1133,7 +1133,7 @@ def open1abc(
                     {
                         "i_part": str(i_part),
                         "all_parts": str(all_parts),
-                        "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                        "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                     }
                 )
                 os.environ.update(config)
@@ -1155,7 +1155,7 @@ def open1abc(
                         {
                             "i_part": str(i_part),
                             "all_parts": str(all_parts),
-                            "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                            "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                         }
                     )
                     os.environ.update(config)
@@ -1195,7 +1195,7 @@ def open1abc(
                         {
                             "i_part": str(i_part),
                             "all_parts": str(all_parts),
-                            "_CUDA_VISIBLE_DEVICES": fix_gpu_number(gpu_names[i_part]),
+                            "_CUDA_VISIBLE_DEVICES": str(fix_gpu_number(gpu_names[i_part])),
                         }
                     )
                     os.environ.update(config)
@@ -1980,3 +1980,4 @@ with gr.Blocks(title="GPT-SoVITS WebUI", analytics_enabled=False, js=js, css=css
         server_port=webui_port_main,
         # quiet=True,
     )
+