更新TTS相关配置，调整语音ID格式，优化工作流参数，确保一致性和可读性。

api/schemas/tts.py

@@ -8,13 +8,13 @@ from pydantic import BaseModel, Field
 class TTSSynthesizeRequest(BaseModel):
     """TTS synthesis request"""
     text: str = Field(..., description="Text to synthesize")
-    voice_id: str = Field("zh-CN-YunjianNeural", description="Voice ID")
+    voice_id: str = Field("[Chinese] zh-CN Yunjian", description="Voice ID")
     
     class Config:
         json_schema_extra = {
             "example": {
                 "text": "Hello, welcome to ReelForge!",
-                "voice_id": "zh-CN-YunjianNeural"
+                "voice_id": "[Chinese] zh-CN Yunjian"
             }
         }