diff --git a/pipeline_service/agent_loop_v2.py b/pipeline_service/agent_loop_v2.py
index c1639bc..6729874 100644
--- a/pipeline_service/agent_loop_v2.py
+++ b/pipeline_service/agent_loop_v2.py
@@ -1181,7 +1181,18 @@ class AgentExecutor:
             names = format_skill_names(merged)
             return (f"FAIL: 技能 '{name}' 不存在。注意：name 只传技能裸名"
                     f"（如 bid-workflow），不要带 [产线] 前缀或描述文字。可用技能: {names}")
-        return skill.to_prompt_block()
+        file_path = (p.get("file_path") or "").strip()
+        if file_path:
+            body = skill.read_linked_file(file_path)
+            if body.startswith("FAIL") or body.startswith("ERROR"):
+                linked = skill.list_linked_files()
+                return f"{body}\n可用子文件: {', '.join(linked) if linked else '（无）'}"
+            return f"## [{skill.name}] {file_path}\n\n{body}"
+        block = skill.to_prompt_block()
+        linked = skill.list_linked_files()
+        if linked:
+            block += f"\n（可用子文件，用 file_path 参数加载：{', '.join(linked)}）\n"
+        return block
 
     async def _t_list_packs(self, sor, p, pid):
         try: