diff --git a/src/utils/agents/streaming.py b/src/utils/agents/streaming.py
index 37a094f1c..9d500aacf 100644
--- a/src/utils/agents/streaming.py
+++ b/src/utils/agents/streaming.py
@@ -516,6 +516,11 @@ def _(
     )
     state.chunk_id += 1
     state.turn_summary.next_chunk_id = state.chunk_id
+
+    # Fix the missing refusal message issue in conversation/v2
+    if not state.turn_summary.partial_tokens:
+        state.turn_summary.llm_response = final_text
+
     return payload