diff --git a/routes/chat.py b/routes/chat.py
index 645c449..3e922b3 100644
--- a/routes/chat.py
+++ b/routes/chat.py
@@ -176,11 +176,11 @@ async def enhanced_generate_stream_response(
                                 ("stop_reason" in msg.response_metadata and msg.response_metadata["stop_reason"] == "tool_use")
                             ):
                             for args in function_call.values():
-                                new_content = f"[{message_tag}] {args['function_name']}\n{args['arguments']}"
+                                new_content += f"[{message_tag}] {args['function_name']}\n{args['arguments']}\n"
                             message_tag = "TOOL_CALL_FINISH"
                     elif isinstance(msg, ToolMessage) and len(msg.content) > 0:
                         message_tag = "TOOL_RESPONSE"
-                        new_content = f"[{message_tag}] {msg.name}\n{msg.text}"
+                        new_content = f"[{message_tag}] {msg.name}\n{msg.text}\n"
 
                     # 只有当有新内容时才发送chunk
                     if new_content: