1

video-gen-api/app/main.py

@@ -635,7 +635,11 @@ def create_app() -> FastAPI:
     async def v3_http_exception_handler(request: Request, exc: HTTPException):
         """仅对 /api/v3/ 路径返回统一格式，HTTP 状态码固定 200。"""
         if not str(request.url.path).startswith("/api/v3"):
-            raise exc  # 交给其他处理器
+            # 非 v3 路径返回标准 HTTPException 响应，保持原始状态码
+            return JSONResponse(
+                status_code=exc.status_code,
+                content={"detail": exc.detail},
+            )
         detail = exc.detail
         message = detail.get("message", str(detail)) if isinstance(detail, dict) else str(detail)
         code_map = {400: 40000, 401: 40100, 403: 40300, 404: 40400, 429: 42900, 422: 42200, 500: 50000, 504: 50400}

video-gen-api/app/middleware/request_encrypt.py

@@ -98,14 +98,6 @@ class RequestEncryptMiddleware(BaseHTTPMiddleware):
                 status_code=response.status_code,
                 headers={"X-Encrypted": "true", "Content-Type": "application/json"},
             )
-        except HTTPException as http_exc:
-            # BaseHTTPMiddleware 中 call_next 抛出的 HTTPException 会直接传播，
-            # 这里捕获后返回对应状态码的响应，避免被外层 except Exception 吞掉
-            return Response(
-                content=json.dumps({"detail": http_exc.detail}, ensure_ascii=False),
-                status_code=http_exc.status_code,
-                headers={"Content-Type": "application/json"},
-            )
         except Exception:
             logger.exception("Request decryption failed")
             return Response(

video-gen-api/app/services/invoice.py

@@ -88,7 +88,10 @@ async def create_invoice(
     # 2. 检查订单唯一性
     occupied = await check_orders_available(db, data.order_ids)
     if occupied:
-        details = f"订单 {order.order_no} 未支付，无法开票",
+        details = "; ".join(
+            f"订单 {o['order_no']} 已被发票 {o['invoice_no']} 占用"
+            for o in occupied
+        )
         raise HTTPException(
             status_code=status.HTTP_409_CONFLICT,
             detail=details,