diff --git a/app/services/voice.py b/app/services/voice.py
index bda672b..e6c94f7 100644
--- a/app/services/voice.py
+++ b/app/services/voice.py
@@ -6,6 +6,7 @@ import edge_tts
 import asyncio
 import requests
 import uuid
+from functools import lru_cache
 from loguru import logger
 from typing import List, Union, Tuple
 from datetime import datetime
@@ -282,7 +283,7 @@ Gender: Male
 Name: en-AU-NatashaNeural
 Gender: Female
 
-Name: en-AU-WilliamNeural
+Name: en-AU-WilliamMultilingualNeural
 Gender: Male
 
 Name: en-CA-ClaraNeural
@@ -369,21 +370,33 @@ Gender: Female
 Name: en-US-AndrewNeural
 Gender: Male
 
+Name: en-US-AndrewMultilingualNeural
+Gender: Male
+
 Name: en-US-AriaNeural
 Gender: Female
 
 Name: en-US-AvaNeural
 Gender: Female
 
+Name: en-US-AvaMultilingualNeural
+Gender: Female
+
 Name: en-US-BrianNeural
 Gender: Male
 
+Name: en-US-BrianMultilingualNeural
+Gender: Male
+
 Name: en-US-ChristopherNeural
 Gender: Male
 
 Name: en-US-EmmaNeural
 Gender: Female
 
+Name: en-US-EmmaMultilingualNeural
+Gender: Female
+
 Name: en-US-EricNeural
 Gender: Male
 
@@ -666,12 +679,24 @@ Gender: Male
 Name: it-IT-ElsaNeural
 Gender: Female
 
-Name: it-IT-GiuseppeNeural
+Name: it-IT-GiuseppeMultilingualNeural
 Gender: Male
 
 Name: it-IT-IsabellaNeural
 Gender: Female
 
+Name: iu-Cans-CA-SiqiniqNeural
+Gender: Female
+
+Name: iu-Cans-CA-TaqqiqNeural
+Gender: Male
+
+Name: iu-Latn-CA-SiqiniqNeural
+Gender: Female
+
+Name: iu-Latn-CA-TaqqiqNeural
+Gender: Male
+
 Name: ja-JP-KeitaNeural
 Gender: Male
 
@@ -708,7 +733,7 @@ Gender: Male
 Name: kn-IN-SapnaNeural
 Gender: Female
 
-Name: ko-KR-HyunsuNeural
+Name: ko-KR-HyunsuMultilingualNeural
 Gender: Male
 
 Name: ko-KR-InJoonNeural
@@ -822,7 +847,7 @@ Gender: Male
 Name: pt-BR-FranciscaNeural
 Gender: Female
 
-Name: pt-BR-ThalitaNeural
+Name: pt-BR-ThalitaMultilingualNeural
 Gender: Female
 
 Name: pt-PT-DuarteNeural
@@ -1306,6 +1331,52 @@ def get_edge_tts_proxy() -> str | None:
     return proxy_url or None
 
 
+def _run_async_safely(coro_func, *args, **kwargs):
+    """在同步代码里安全运行异步 edge_tts 调用。"""
+    def run_in_new_loop():
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+        try:
+            return loop.run_until_complete(coro_func(*args, **kwargs))
+        finally:
+            loop.close()
+            asyncio.set_event_loop(None)
+
+    try:
+        asyncio.get_running_loop()
+    except RuntimeError:
+        return run_in_new_loop()
+
+    import concurrent.futures
+    with concurrent.futures.ThreadPoolExecutor(max_workers=1) as executor:
+        return executor.submit(run_in_new_loop).result()
+
+
+@lru_cache(maxsize=8)
+def _get_all_edge_voices_cached(proxy: str | None) -> list[str]:
+    async def _list_voices():
+        return await edge_tts.list_voices(proxy=proxy)
+
+    voices = []
+    for item in _run_async_safely(_list_voices):
+        name = item.get("ShortName", "").strip()
+        gender = item.get("Gender", "").strip()
+        if name and gender:
+            voices.append(f"{name}-{gender}")
+
+    voices.sort()
+    return voices
+
+
+def get_all_edge_voices() -> list[str]:
+    """获取 Edge TTS 当前支持的全部语言和音色，失败时回退到内置列表。"""
+    try:
+        return _get_all_edge_voices_cached(get_edge_tts_proxy())
+    except Exception as e:
+        logger.warning(f"获取 Edge TTS 在线音色列表失败，使用内置音色列表: {e}")
+        return [v for v in get_all_azure_voices(filter_locals=[]) if "-V2" not in v]
+
+
 def azure_tts_v1(
     text: str, voice_name: str, voice_rate: float, voice_pitch: float, voice_file: str
 ) -> Union[SubMaker, None]:
diff --git a/docs/voice-list.txt b/docs/voice-list.txt
index 4672117..b22486d 100644
--- a/docs/voice-list.txt
+++ b/docs/voice-list.txt
@@ -199,7 +199,7 @@ Gender: Male
 Name: en-AU-NatashaNeural
 Gender: Female
 
-Name: en-AU-WilliamNeural
+Name: en-AU-WilliamMultilingualNeural
 Gender: Male
 
 Name: en-CA-ClaraNeural
@@ -286,21 +286,33 @@ Gender: Female
 Name: en-US-AndrewNeural
 Gender: Male
 
+Name: en-US-AndrewMultilingualNeural
+Gender: Male
+
 Name: en-US-AriaNeural
 Gender: Female
 
 Name: en-US-AvaNeural
 Gender: Female
 
+Name: en-US-AvaMultilingualNeural
+Gender: Female
+
 Name: en-US-BrianNeural
 Gender: Male
 
+Name: en-US-BrianMultilingualNeural
+Gender: Male
+
 Name: en-US-ChristopherNeural
 Gender: Male
 
 Name: en-US-EmmaNeural
 Gender: Female
 
+Name: en-US-EmmaMultilingualNeural
+Gender: Female
+
 Name: en-US-EricNeural
 Gender: Male
 
@@ -583,12 +595,24 @@ Gender: Male
 Name: it-IT-ElsaNeural
 Gender: Female
 
-Name: it-IT-GiuseppeNeural
+Name: it-IT-GiuseppeMultilingualNeural
 Gender: Male
 
 Name: it-IT-IsabellaNeural
 Gender: Female
 
+Name: iu-Cans-CA-SiqiniqNeural
+Gender: Female
+
+Name: iu-Cans-CA-TaqqiqNeural
+Gender: Male
+
+Name: iu-Latn-CA-SiqiniqNeural
+Gender: Female
+
+Name: iu-Latn-CA-TaqqiqNeural
+Gender: Male
+
 Name: ja-JP-KeitaNeural
 Gender: Male
 
@@ -625,7 +649,7 @@ Gender: Male
 Name: kn-IN-SapnaNeural
 Gender: Female
 
-Name: ko-KR-HyunsuNeural
+Name: ko-KR-HyunsuMultilingualNeural
 Gender: Male
 
 Name: ko-KR-InJoonNeural
@@ -739,7 +763,7 @@ Gender: Male
 Name: pt-BR-FranciscaNeural
 Gender: Female
 
-Name: pt-BR-ThalitaNeural
+Name: pt-BR-ThalitaMultilingualNeural
 Gender: Female
 
 Name: pt-PT-DuarteNeural
diff --git a/webui/components/audio_settings.py b/webui/components/audio_settings.py
index ed86698..ce4aa8e 100644
--- a/webui/components/audio_settings.py
+++ b/webui/components/audio_settings.py
@@ -163,12 +163,8 @@ def render_tts_settings(tr):
 
 def render_edge_tts_settings(tr):
     """渲染 Edge TTS 引擎设置"""
-    # 获取支持的语音列表
-    support_locales = ["zh-CN", "en-US"]
-    all_voices = voice.get_all_azure_voices(filter_locals=support_locales)
-
-    # 只保留标准版本的语音（Edge TTS专用，不包含V2）
-    edge_voices = [v for v in all_voices if "-V2" not in v]
+    # 获取 Edge TTS 支持的全部语言和音色
+    edge_voices = voice.get_all_edge_voices()
 
     # 创建友好的显示名称
     friendly_names = {}
@@ -189,7 +185,7 @@ def render_edge_tts_settings(tr):
             # 如果没找到匹配的，使用第一个
             saved_voice_name = edge_voices[0] if edge_voices else ""
 
-    # 音色选择下拉框（Edge TTS音色相对较少，保留下拉框）
+    # 音色选择下拉框
     selected_friendly_name = st.selectbox(
         "音色选择",
         options=list(friendly_names.values()),
@@ -204,24 +200,12 @@ def render_edge_tts_settings(tr):
 
     # 显示音色信息
     with st.expander("💡 Edge TTS 音色说明", expanded=False):
-        st.write("**中文音色：**")
-        zh_voices = [v for v in edge_voices if v.startswith("zh-CN")]
-        for v in zh_voices:
+        st.write(f"已加载 {len(edge_voices)} 个音色")
+        for v in edge_voices:
             gender = "女声" if "Female" in v else "男声"
-            name = v.replace("-Female", "").replace("-Male", "").replace("zh-CN-", "").replace("Neural", "")
+            name = v.replace("-Female", "").replace("-Male", "").replace("Neural", "")
             st.write(f"• {name} ({gender})")
 
-        st.write("")
-        st.write("**英文音色：**")
-        en_voices = [v for v in edge_voices if v.startswith("en-US")][:5]  # 只显示前5个
-        for v in en_voices:
-            gender = "女声" if "Female" in v else "男声"
-            name = v.replace("-Female", "").replace("-Male", "").replace("en-US-", "").replace("Neural", "")
-            st.write(f"• {name} ({gender})")
-
-        if len([v for v in edge_voices if v.startswith("en-US")]) > 5:
-            st.write("• ... 更多英文音色")
-
     config.ui["edge_voice_name"] = voice_name
     config.ui["voice_name"] = voice_name  # 兼容性