diff --git a/i18n.py b/i18n.py
index 67c99d4..4e3536b 100644
--- a/i18n.py
+++ b/i18n.py
@@ -1,31 +1,43 @@
-import locale
 import json
-import os
-
 
 def load_language_list(language):
     try:
         with open(f"./i18n/{language}.json", "r", encoding="utf-8") as f:
             return json.load(f)
     except FileNotFoundError:
-        print(f"Failed to load language file for {language}. Check if the correct .json file exists.")
-        return {}
+        raise FileNotFoundError(
+            f"Failed to load language file for {language}. Check if the correct .json file exists."
+        )
 
 
 class I18nAuto:
+    """
+    A class used for internationalization using JSON language files.
+
+    Examples
+    --------
+    >>> i18n = I18nAuto('en_US')
+    >>> i18n.print()
+    Using Language: en_US
+    """
     def __init__(self, language=None):
-        language = language or locale.getdefaultlocale()[0]
+        from locale import getdefaultlocale
+        language = language or getdefaultlocale()[0]
         if not self._language_exists(language):
             language = "en_US"
+
         self.language_map = load_language_list(language)
         self.language = language
 
     @staticmethod
     def _language_exists(language):
-        return os.path.exists(f"./i18n/{language}.json")
+        from os.path import exists
+        return exists(f"./i18n/{language}.json")
 
     def __call__(self, key):
+        """Returns the translation of the given key if it exists, else returns the key itself."""
         return self.language_map.get(key, key)
 
     def print(self):
-        print(f"Using Language: {self.language}")
\ No newline at end of file
+        """Prints the language currently in use."""
+        print(f"Using Language: {self.language}") 
\ No newline at end of file
diff --git a/infer-web.py b/infer-web.py
index a4c88ab..a9246bb 100644
--- a/infer-web.py
+++ b/infer-web.py
@@ -1570,7 +1570,7 @@ with gr.Blocks(theme=gr.themes.Soft(), title='Mangio-RVC-Web 💻') as app:
                 exp_dir1 = gr.Textbox(label=i18n("输入实验名"), value="mi-test")
                 sr2 = gr.Radio(
                     label=i18n("目标采样率"),
-                    choices=["40k", "48k"],
+                    choices=["40k", "48k", "32k"],
                     value="40k",
                     interactive=True,
                 )
@@ -1582,7 +1582,7 @@ with gr.Blocks(theme=gr.themes.Soft(), title='Mangio-RVC-Web 💻') as app:
                 version19 = gr.Radio(
                     label=i18n("版本"),
                     choices=["v1", "v2"],
-                    value="v1",
+                    value="v2",
                     interactive=True,
                     visible=True,
                 )