diff --git a/comps/asr/asr.py b/comps/asr/asr.py
index 97fbb0bb0..1f5cf2df4 100644
--- a/comps/asr/asr.py
+++ b/comps/asr/asr.py
@@ -10,8 +10,8 @@
 
 from comps import (
     Base64ByteStrDoc,
+    LLMParamsDoc,
     ServiceType,
-    TextDoc,
     opea_microservices,
     register_microservice,
     register_statistics,
@@ -26,7 +26,7 @@
     host="0.0.0.0",
     port=9099,
     input_datatype=Base64ByteStrDoc,
-    output_datatype=TextDoc,
+    output_datatype=LLMParamsDoc,
 )
 @register_statistics(names=["opea_service@asr"])
 async def audio_to_text(audio: Base64ByteStrDoc):
@@ -37,7 +37,7 @@ async def audio_to_text(audio: Base64ByteStrDoc):
     response = requests.post(url=f"{asr_endpoint}/v1/asr", data=json.dumps(inputs), proxies={"http": None})
 
     statistics_dict["opea_service@asr"].append_latency(time.time() - start, None)
-    return TextDoc(text=response.json()["asr_result"])
+    return LLMParamsDoc(query=response.json()["asr_result"])
 
 
 if __name__ == "__main__":
diff --git a/comps/cores/mega/orchestrator.py b/comps/cores/mega/orchestrator.py
index 723f0db5d..0217d0d17 100644
--- a/comps/cores/mega/orchestrator.py
+++ b/comps/cores/mega/orchestrator.py
@@ -131,13 +131,6 @@ def generate():
 
             return StreamingResponse(generate(), media_type="text/event-stream"), cur_node
         else:
-            if (
-                self.services[cur_node].service_type == ServiceType.LLM
-                and runtime_graph.predecessors(cur_node)
-                and "asr" in runtime_graph.predecessors(cur_node)[0]
-            ):
-                inputs["query"] = inputs["text"]
-                del inputs["text"]
             async with session.post(endpoint, json=inputs) as response:
                 print(response.status)
                 return await response.json(), cur_node