fix: ChatTTS音频通过后端代理，解决HTTPS页面访问HTTP资源问题

server.py

@@ -12,7 +12,7 @@ import aiohttp
 from fastapi import FastAPI, UploadFile, File, HTTPException, Form
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.staticfiles import StaticFiles
-from fastapi.responses import FileResponse
+from fastapi.responses import FileResponse, Response
 from pydantic import BaseModel
 
 # 导入 TTS 服务
@@ -255,6 +255,34 @@ async def synthesize_tts(text: str = Form(...), provider: Optional[str] = Form(N
 app.mount("/audio", StaticFiles(directory=AUDIO_DIR), name="audio")
 
 
+# ChatTTS 音频代理（解决 HTTPS 页面访问 HTTP 资源问题）
+@app.get("/chattts/audio/{filename}")
+async def proxy_chattts_audio(filename: str):
+    """代理 ChatTTS 音频文件"""
+    import aiohttp
+    
+    chattts_url = os.getenv("CHATTTS_URL", "http://192.168.2.5:12002")
+    
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                f"{chattts_url}/audio/{filename}",
+                timeout=aiohttp.ClientTimeout(total=30)
+            ) as resp:
+                if resp.status != 200:
+                    raise HTTPException(status_code=404, detail="Audio not found")
+                
+                audio_data = await resp.read()
+                return Response(
+                    content=audio_data,
+                    media_type="audio/wav",
+                    headers={"Cache-Control": "public, max-age=3600"}
+                )
+    except Exception as e:
+        logger.error(f"Proxy audio error: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 if __name__ == "__main__":
     import uvicorn
     uvicorn.run(app, host="0.0.0.0", port=PORT)

tts_service.py

@@ -134,8 +134,12 @@ class ChatTTSProvider(TTSProvider):
                     raise Exception(f"ChatTTS error: {error}")
                 
                 data = await resp.json()
-                # ChatTTS 返回的 URL 是相对路径，需要拼接
-                audio_url = f"{self.CHATTTS_URL}{data['audio_url']}"
+                # ChatTTS 返回的 URL 是 /audio/xxx.wav
+                # 改用本地代理路径（解决 HTTPS 页面访问 HTTP 问题）
+                original_url = data['audio_url']
+                # /audio/xxx.wav -> /chattts/audio/xxx.wav (通过本地代理)
+                filename = original_url.split('/')[-1]
+                audio_url = f"/chattts/audio/{filename}"
                 return None, audio_url
     
     def get_name(self) -> str: