diff --git a/router/chat.go b/router/chat.go
index ec20464..c11cb27 100644
--- a/router/chat.go
+++ b/router/chat.go
@@ -2,6 +2,7 @@ package router
 
 import (
 	"bytes"
+	"encoding/json"
 	"net/http"
 	"strings"
 
@@ -24,18 +25,24 @@ func ChatHandler(c *gin.Context) {
 		result, err := search.BingSearch(search.SearchParams{Query: string(chatreq.Messages[len(chatreq.Messages)-1].Content)})
 		if err == nil {
 			var msgs []openai.ChatCompletionMessage
-			for _, m := range chatreq.Messages {
+			for i, m := range chatreq.Messages {
 				var buf bytes.Buffer
-				buf.WriteString("根据我提问的语言回答我,我将提供一些从搜索引擎获取的信息。你自行判断是否使用搜索引擎获取的内容。不要原封不动照抄,根据你自己的知识库提炼信息之后回答我\n\n")
+				buf.WriteString("根据我提问的语言回答我,我将提供一些从搜索引擎获取的信息(以websearch:开头)。你自行判断是否使用搜索引擎获取的内容。不要原封不动照抄,根据你自己的知识库提炼信息之后回答我\n\n")
 				if m.Role == "system" {
 					buf.Write(m.Content)
 					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: buf.Bytes()})
 				} else {
 					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: buf.Bytes()})
 				}
-				msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: m.Content})
+				if i == len(chatreq.Messages)-1 {
+					m.Content = append(m.Content, json.RawMessage("\n\nwebsearch:")...)
+					m.Content = append(m.Content, json.RawMessage(result.(string))...)
+					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: m.Content})
+				} else {
+					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: m.Content})
+				}
+
 			}
-			msgs = append(msgs, openai.ChatCompletionMessage{Role: "tool", Content: []byte(result.(string))})
 			chatreq.Messages = msgs
 		}
 	}