diff --git a/GPT_SoVITS/TTS_infer_pack/TTS.py b/GPT_SoVITS/TTS_infer_pack/TTS.py
index d20daee3..9017d396 100644
--- a/GPT_SoVITS/TTS_infer_pack/TTS.py
+++ b/GPT_SoVITS/TTS_infer_pack/TTS.py
@@ -565,6 +565,8 @@ class TTS:
             self.t2s_model = self.t2s_model.half()
 
     def init_vocoder(self, version: str):
+        # 防止第三方导入时，找不到模型文件
+        root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
         if version == "v3":
             if self.vocoder is not None and self.vocoder.__class__.__name__ == "BigVGAN":
                 return
@@ -574,7 +576,7 @@ class TTS:
                 self.empty_cache()
                 
             self.vocoder = BigVGAN.from_pretrained(
-                "%s/GPT_SoVITS/pretrained_models/models--nvidia--bigvgan_v2_24khz_100band_256x" % (now_dir,),
+                f"{root_dir}/pretrained_models/models--nvidia--bigvgan_v2_24khz_100band_256x",
                 use_cuda_kernel=False,
             )  # if True, RuntimeError: Ninja is required to load C++ extensions
             # remove weight norm in the model and set to eval mode
@@ -605,7 +607,7 @@ class TTS:
                         gin_channels=0, is_bias=True
                     )
             self.vocoder.remove_weight_norm()
-            state_dict_g = torch.load("%s/GPT_SoVITS/pretrained_models/gsv-v4-pretrained/vocoder.pth" % (now_dir,), map_location="cpu")
+            state_dict_g = torch.load(f"{root_dir}/pretrained_models/gsv-v4-pretrained/vocoder.pth", map_location="cpu")
             print("loading vocoder",self.vocoder.load_state_dict(state_dict_g))
 
             self.vocoder_configs["sr"] = 48000
diff --git a/GPT_SoVITS/text/chinese2.py b/GPT_SoVITS/text/chinese2.py
index 612aa3a5..4d415fd5 100644
--- a/GPT_SoVITS/text/chinese2.py
+++ b/GPT_SoVITS/text/chinese2.py
@@ -31,9 +31,12 @@ if is_g2pw:
     from text.g2pw import G2PWPinyin, correct_pronunciation
 
     parent_directory = os.path.dirname(current_file_path)
+    # 防止作为第三方库导入时，找不到模型文件
+    model_dir = os.path.join(current_file_path, "G2PWModel")
+    model_source = os.path.join(parent_directory, "pretrained_models/chinese-roberta-wwm-ext-large")
     g2pw = G2PWPinyin(
-        model_dir="GPT_SoVITS/text/G2PWModel",
-        model_source=os.environ.get("bert_path", "GPT_SoVITS/pretrained_models/chinese-roberta-wwm-ext-large"),
+        model_dir=model_dir,
+        model_source=os.environ.get("bert_path", model_source),
         v_to_u=False,
         neutral_tone_with_five=True,
     )
diff --git a/tools/i18n/i18n.py b/tools/i18n/i18n.py
index 4cd123f3..1de56dd3 100644
--- a/tools/i18n/i18n.py
+++ b/tools/i18n/i18n.py
@@ -2,7 +2,7 @@ import json
 import locale
 import os
 
-I18N_JSON_DIR: os.PathLike = os.path.join(os.path.dirname(os.path.relpath(__file__)), "locale")
+I18N_JSON_DIR: os.PathLike = os.path.join(os.path.dirname(os.path.abspath(__file__)), "locale")
 
 
 def load_language_list(language):