diff --git a/adapter/bing/chat.go b/adapter/bing/chat.go
index da29c88..83867b3 100644
--- a/adapter/bing/chat.go
+++ b/adapter/bing/chat.go
@@ -20,10 +20,11 @@ func (c *ChatInstance) CreateStreamChatRequest(props *ChatProps, hook globals.Ho
 	defer conn.DeferClose()
 
 	model, _ := strings.CutPrefix(props.Model, "bing-")
+	prompt := props.Message[len(props.Message)-1].Content
 	if err := conn.SendJSON(&ChatRequest{
-		Prompt:  props.Message[len(props.Message)-1].Content,
-		Cookies: c.Cookies,
-		Model:   model,
+		Prompt: prompt,
+		Hash:   utils.Md5Encrypt(fmt.Sprintf(prompt + c.Secret)),
+		Model:  model,
 	}); err != nil {
 		return err
 	}
@@ -34,23 +35,8 @@ func (c *ChatInstance) CreateStreamChatRequest(props *ChatProps, hook globals.Ho
 			return nil
 		}
 
-		if form.Error != "" && form.End {
-			return fmt.Errorf("bing error: %s", form.Error)
-		}
-
 		if err := hook(form.Response); err != nil {
 			return err
 		}
-
-		if len(form.Suggested) > 0 {
-			message := ""
-			for _, suggested := range form.Suggested {
-				message += fmt.Sprintf("- %s\n", suggested)
-			}
-
-			if err := hook(fmt.Sprintf("\n\n%s", message)); err != nil {
-				return err
-			}
-		}
 	}
 }
diff --git a/adapter/bing/struct.go b/adapter/bing/struct.go
index c323ac3..e11c788 100644
--- a/adapter/bing/struct.go
+++ b/adapter/bing/struct.go
@@ -1,28 +1,26 @@
 package bing
 
 import (
-	"chat/utils"
 	"fmt"
 	"github.com/spf13/viper"
 )
 
 type ChatInstance struct {
 	Endpoint string
-	Cookies  *map[string]interface{}
+	Secret   string
 }
 
 func (c *ChatInstance) GetEndpoint() string {
 	return fmt.Sprintf("%s/chat", c.Endpoint)
 }
 
-func NewChatInstance(endpoint, cookies string) *ChatInstance {
-	form := utils.UnmarshalForm[map[string]interface{}](cookies)
+func NewChatInstance(endpoint, secret string) *ChatInstance {
 	return &ChatInstance{
 		Endpoint: endpoint,
-		Cookies:  form,
+		Secret:   secret,
 	}
 }
 
 func NewChatInstanceFromConfig() *ChatInstance {
-	return NewChatInstance(viper.GetString("bing.endpoint"), viper.GetString("bing.cookies"))
+	return NewChatInstance(viper.GetString("bing.endpoint"), viper.GetString("bing.secret"))
 }
diff --git a/adapter/bing/types.go b/adapter/bing/types.go
index 6491f58..c981694 100644
--- a/adapter/bing/types.go
+++ b/adapter/bing/types.go
@@ -3,14 +3,11 @@ package bing
 // see https://github.com/Deeptrain-Community/chatnio-bing-service
 
 type ChatRequest struct {
-	Prompt  string                  `json:"prompt"`
-	Cookies *map[string]interface{} `json:"cookies"`
-	Model   string                  `json:"model"`
+	Prompt string `json:"prompt"`
+	Hash   string `json:"hash"`
+	Model  string `json:"model"`
 }
 
 type ChatResponse struct {
-	Response  string   `json:"response"`
-	Suggested []string `json:"suggested"`
-	Error     string   `json:"error"`
-	End       bool     `json:"end"`
+	Response string `json:"response"`
 }