feat: flux2 增加状态码 ; fix:

app/api/api_generate_image.py

@@ -63,10 +63,14 @@ async def generate_image_flux2_klein(request_item: GenerateImageFlux2KleinModel)
                 f"http://{settings.FLUX2_GEN_IMG_MODEL_URL}/predict",
                 json=request_item.model_dump(),
             )
+        if resp.status_code == 200:
             result = resp.json()
-
-        logger.info(f"generate_image_flux2_gen_img response: {json.dumps(result, indent=4)}")
+            logger.info(f"flux2_gen_img response: {json.dumps(result, indent=4)}")
             return ResponseModel(data=result)
+        else:
+            error = resp.json()
+            logger.info(f"flux2_gen_img response: {json.dumps(error, indent=4)}")
+            return ResponseModel(data=error, msg="ERROR!", code=500)
 
     except Exception as e:
         logger.warning(f"generate_image_flux2_gen_img Run Exception @@@@@@:{e}")