diff --git a/backend/data/openai_api.go b/backend/data/openai_api.go
index 20321de..d4d3d65 100644
--- a/backend/data/openai_api.go
+++ b/backend/data/openai_api.go
@@ -95,7 +95,7 @@ func (o OpenAi) NewChat(stock string) string {
 				},
 				{
 					"role":    "user",
-					"content": "点评一下" + stock + "",
+					"content": "点评一下" + stock + ",以Markdown输出",
 				},
 			},
 		}).