Update backend schema

api/app/main.py

@@ -42,31 +42,4 @@ def root():
 
 @app.get("/health")
 def health():
-    return {"status": "ok"}
-
-
-# 初始化默认数据
-@app.on_event("startup")
-def init_default_data():
-    from sqlalchemy.orm import Session
-    from .db import SessionLocal
-    from .models import Voice
-    
-    db = SessionLocal()
-    try:
-        # 检查是否已有数据
-        if db.query(Voice).count() == 0:
-            # 插入默认声音
-            voices = [
-                Voice(id="v1", name="Xiaoyun", vendor="Ali", gender="Female", language="zh", description="Gentle and professional."),
-                Voice(id="v2", name="Kevin", vendor="Volcano", gender="Male", language="en", description="Deep and authoritative."),
-                Voice(id="v3", name="Abby", vendor="Minimax", gender="Female", language="en", description="Cheerful and lively."),
-                Voice(id="v4", name="Guang", vendor="Ali", gender="Male", language="zh", description="Standard newscast style."),
-                Voice(id="v5", name="Doubao", vendor="Volcano", gender="Female", language="zh", description="Cute and young."),
-            ]
-            for v in voices:
-                db.add(v)
-            db.commit()
-            print("✅ 默认声音数据已初始化")
-    finally:
-        db.close()
+    return {"status": "ok"}