diff --git a/src/agentscope_bricks/components/generations/async_image_to_video_fl_wan22.py b/src/agentscope_bricks/components/generations/async_image_to_video_fl_wan22.py
index 7bd2477..856bb66 100644
--- a/src/agentscope_bricks/components/generations/async_image_to_video_fl_wan22.py
+++ b/src/agentscope_bricks/components/generations/async_image_to_video_fl_wan22.py
@@ -95,9 +95,7 @@ class ImageToVideoByFirstAndLastFrameWan22Submit(
     task using the wan2.2-kf2v-flash model.
     """
 
-    name: str = (
-        "modelstudio_image_to_video_by_first_and_last_frame_wan22_submit_task"
-    )
+    name: str = "modelstudio_image_to_video_fl_wan22_submit_task"
     description: str = (
         "[版本: wan2.2] 通义万相首尾帧生视频模型（wan2.2-kf2v-flash）异步任务提交工具。\n"
         "基于首帧与尾帧图像及文本提示，生成一段流畅的无声视频（当前不支持音频输出）。\n"
@@ -105,7 +103,7 @@ class ImageToVideoByFirstAndLastFrameWan22Submit(
 
     @trace(
         trace_type="AIGC",
-        trace_name="image_to_video_by_first_and_last_frame_wan22_submit",
+        trace_name="image_to_video_fl_wan22_submit_task",
     )
     async def arun(
         self,
diff --git a/src/agentscope_bricks/components/generations/image_edit_wan26.py b/src/agentscope_bricks/components/generations/image_edit_wan26.py
index 855aa2f..2c2001d 100644
--- a/src/agentscope_bricks/components/generations/image_edit_wan26.py
+++ b/src/agentscope_bricks/components/generations/image_edit_wan26.py
@@ -41,8 +41,8 @@ class ImageGenInput(BaseModel):
         description="是否添加水印,false：默认值，不添加水印,true：添加水印。",
     )
     n: Optional[int] = Field(
-        default=4,
-        description="生成图片的数量。取值范围为1~4张 默认4",
+        default=1,
+        description="生成图片的数量。取值范围为1~4张 默认1",
     )
     images: list[str] = Field(
         ...,
@@ -128,7 +128,7 @@ async def arun(
             parameters["watermark"] = args.watermark
         if args.prompt_extend is not None:
             parameters["prompt_extend"] = args.prompt_extend
-        if args.n is not None and args.n != 4:
+        if args.n is not None:
             parameters["n"] = args.n
         try:
             response = await AioMultiModalConversation.call(
diff --git a/src/agentscope_bricks/components/generations/image_generation_wan26.py b/src/agentscope_bricks/components/generations/image_generation_wan26.py
index efe20cb..005b18b 100644
--- a/src/agentscope_bricks/components/generations/image_generation_wan26.py
+++ b/src/agentscope_bricks/components/generations/image_generation_wan26.py
@@ -79,7 +79,7 @@ class ImageGenerationWan26(
 
     name: str = "modelstudio_wanx26_image_generation"
     description: str = (
-        "[版本: wan2.6] 通义万相文生图模型（wanx2.6-t2i）。AI绘画服务，根据文本描述生成高质量图像，并返回图片URL。\n"
+        "[版本: wan2.6] 通义万相文生图模型（wan2.6-t2i）。AI绘画服务，根据文本描述生成高质量图像，并返回图片URL。\n"
         "新功能包括图像编辑和图文混合输出，满足更多样化的生成与集成需求。\n"
         "支持自定义分辨率：图像面积介于 768×768 至 1440×1440 像素之间，"
         "允许在该范围内自由调整宽高比（例如 768×2700）。\n"
@@ -122,7 +122,7 @@ async def arun(
             parameters["negative_prompt"] = args.negative_prompt
         if args.size and args.size != "1024*1024":
             parameters["size"] = args.size
-        if args.n is not None and args.n != 1:
+        if args.n is not None:
             parameters["n"] = args.n
         if args.seed is not None:
             parameters["seed"] = args.seed
@@ -140,18 +140,18 @@ async def arun(
             )
         except Exception as e:
             raise RuntimeError(
-                f"Failed to call Wanx 2.6 image generation API: {str(e)}",
+                f"Failed to call Wan 2.6 image generation API: {str(e)}",
             ) from e
 
         if response.status_code != 200 or not response.output:
-            raise RuntimeError(f"Wanx 2.6 image generation failed: {response}")
+            raise RuntimeError(f"Wan 2.6 image generation failed: {response}")
 
         results = []
         try:
             if hasattr(response, "output") and response.output:
                 choices = getattr(response.output, "choices", [])
-                if choices:
-                    message = getattr(choices[0], "message", {})
+                for choice in choices:  # ← 遍历所有 choices，而不是只取 [0]
+                    message = getattr(choice, "message", {})
                     content = getattr(message, "content", [])
                     if isinstance(content, list):
                         for item in content:
@@ -163,7 +163,7 @@ async def arun(
                         results.append(content["image"])
         except Exception as e:
             raise RuntimeError(
-                f"Failed to parse Wanx 2.6 API response: {str(e)}",
+                f"Failed to parse Wan 2.6 API response: {str(e)}",
             ) from e
 
         if not results: