diff --git a/api.py b/api.py
index 1217930c..1826eea1 100644
--- a/api.py
+++ b/api.py
@@ -1234,6 +1234,8 @@ async def tts_endpoint(
             text_language = "英文"
         elif text_language == "zh":
             text_language = "中英混合"
+        elif text_language == "all_zh":
+            text_language = "中文"
         elif text_language == "ko":
             text_language = "韩文"