diff --git a/astrbot/core/astr_main_agent.py b/astrbot/core/astr_main_agent.py
index 873303a17..426d28acf 100644
--- a/astrbot/core/astr_main_agent.py
+++ b/astrbot/core/astr_main_agent.py
@@ -1428,8 +1428,10 @@ async def build_main_agent(
         except Exception as exc:  # noqa: BLE001
             logger.error("Error occurred while applying file extract: %s", exc)
 
+    has_reply = any(isinstance(comp, Reply) for comp in event.message_obj.message)
+
     if not req.prompt and not req.image_urls and not req.audio_urls:
-        if not event.get_group_id() and req.extra_user_content_parts:
+        if has_reply or req.extra_user_content_parts:
             req.prompt = "<attachment>"
         else:
             return None
diff --git a/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py b/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
index e8b0459fb..048174dfe 100644
--- a/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
+++ b/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
@@ -19,7 +19,7 @@ from astrbot.core.astr_main_agent import (
     MainAgentBuildResult,
     build_main_agent,
 )
-from astrbot.core.message.components import File, Image, Record, Video
+from astrbot.core.message.components import File, Image, Record, Reply, Video
 from astrbot.core.message.message_event_result import (
     MessageChain,
     MessageEventResult,
@@ -177,11 +177,15 @@ class InternalAgentSubStage(Stage):
                 isinstance(comp, (Image, File, Record, Video))
                 for comp in event.message_obj.message
             )
+            has_reply = any(
+                isinstance(comp, Reply) for comp in event.message_obj.message
+            )
 
             if (
                 not has_provider_request
                 and not has_valid_message
                 and not has_media_content
+                and not has_reply
             ):
                 logger.debug("skip llm request: empty message and no provider_request")
                 return