diff --git a/adapter/adapter.go b/adapter/adapter.go
index 0f75bf5c..af48fb0b 100644
--- a/adapter/adapter.go
+++ b/adapter/adapter.go
@@ -1,6 +1,7 @@
 package adapter
 
 import (
+	"chat/adapter/bing"
 	"chat/adapter/chatgpt"
 	"chat/adapter/claude"
 	"chat/adapter/palm2"
@@ -61,6 +62,11 @@ func NewChatRequest(props *ChatProps, hook globals.Hook) error {
 		return slack.NewChatInstanceFromConfig().CreateStreamChatRequest(&slack.ChatProps{
 			Message: props.Message,
 		}, hook)
+	} else if globals.IsBingModel(props.Model) {
+		return bing.NewChatInstanceFromConfig().CreateStreamChatRequest(&bing.ChatProps{
+			Model:   props.Model,
+			Message: props.Message,
+		}, hook)
 	}
 
 	return nil
diff --git a/adapter/bing/chat.go b/adapter/bing/chat.go
new file mode 100644
index 00000000..9bc06dff
--- /dev/null
+++ b/adapter/bing/chat.go
@@ -0,0 +1,56 @@
+package bing
+
+import (
+	"chat/globals"
+	"chat/utils"
+	"fmt"
+	"strings"
+)
+
+type ChatProps struct {
+	Message []globals.Message
+	Model   string
+}
+
+func (c *ChatInstance) CreateStreamChatRequest(props *ChatProps, hook globals.Hook) error {
+	var conn *utils.WebSocket
+	if conn = utils.NewWebsocketClient(c.GetEndpoint()); conn == nil {
+		return fmt.Errorf("sparkdesk error: websocket connection failed")
+	}
+	defer conn.DeferClose()
+
+	model, _ := strings.CutPrefix(props.Model, "bing-")
+	if err := conn.SendJSON(&ChatRequest{
+		Prompt:  props.Message[len(props.Message)-1].Content,
+		Cookies: c.Cookies,
+		Model:   model,
+	}); err != nil {
+		return err
+	}
+
+	for {
+		form := utils.ReadForm[ChatResponse](conn)
+		if form == nil {
+			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 2135f884..c323ac3e 100644
--- a/adapter/bing/struct.go
+++ b/adapter/bing/struct.go
@@ -1,14 +1,28 @@
 package bing
 
 import (
-	"chat/globals"
+	"chat/utils"
+	"fmt"
+	"github.com/spf13/viper"
 )
 
 type ChatInstance struct {
 	Endpoint string
-	Cookies  map[string]string
+	Cookies  *map[string]interface{}
 }
 
-type ChatProps struct {
-	Message []globals.Message
+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)
+	return &ChatInstance{
+		Endpoint: endpoint,
+		Cookies:  form,
+	}
+}
+
+func NewChatInstanceFromConfig() *ChatInstance {
+	return NewChatInstance(viper.GetString("bing.endpoint"), viper.GetString("bing.cookies"))
 }
diff --git a/adapter/bing/types.go b/adapter/bing/types.go
new file mode 100644
index 00000000..6491f58e
--- /dev/null
+++ b/adapter/bing/types.go
@@ -0,0 +1,16 @@
+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"`
+}
+
+type ChatResponse struct {
+	Response  string   `json:"response"`
+	Suggested []string `json:"suggested"`
+	Error     string   `json:"error"`
+	End       bool     `json:"end"`
+}
diff --git a/globals/variables.go b/globals/variables.go
index bc4b9eb0..d10e16dd 100644
--- a/globals/variables.go
+++ b/globals/variables.go
@@ -32,6 +32,9 @@ const (
 	ClaudeSlack      = "claude-slack"
 	SparkDesk        = "spark-desk"
 	ChatBison001     = "chat-bison-001"
+	BingCreative     = "bing-creative"
+	BingBalanced     = "bing-balanced"
+	BingPrecise      = "bing-precise"
 )
 
 var GPT3TurboArray = []string{
@@ -63,6 +66,12 @@ var ClaudeModelArray = []string{
 	Claude2100k,
 }
 
+var BingModelArray = []string{
+	BingCreative,
+	BingBalanced,
+	BingPrecise,
+}
+
 var LongContextModelArray = []string{
 	GPT3Turbo16k,
 	GPT3Turbo16k0613,
@@ -119,6 +128,10 @@ func IsPalm2Model(model string) bool {
 	return model == ChatBison001
 }
 
+func IsBingModel(model string) bool {
+	return in(model, BingModelArray)
+}
+
 func IsLongContextModel(model string) bool {
 	return in(model, LongContextModelArray)
 }
diff --git a/manager/transhipment.go b/manager/transhipment.go
index c5e5bc98..3642051f 100644
--- a/manager/transhipment.go
+++ b/manager/transhipment.go
@@ -164,9 +164,9 @@ func getStreamTranshipmentForm(id string, created int64, form TranshipmentForm,
 			},
 		},
 		Usage: Usage{
-			PromptTokens:     buffer.CountInputToken(),
-			CompletionTokens: buffer.CountOutputToken(),
-			TotalTokens:      buffer.CountToken(),
+			PromptTokens:     utils.MultiF(end, func() int { return buffer.CountInputToken() }, 0),
+			CompletionTokens: utils.MultiF(end, func() int { return buffer.CountOutputToken() }, 0),
+			TotalTokens:      utils.MultiF(end, func() int { return buffer.CountToken() }, 0),
 		},
 		Quota: buffer.GetQuota(),
 	}
diff --git a/utils/base.go b/utils/base.go
index dc02eb8a..aadb97a4 100644
--- a/utils/base.go
+++ b/utils/base.go
@@ -101,10 +101,10 @@ func Multi[T comparable](condition bool, tval, fval T) T {
 	}
 }
 
-func MultiF[T comparable](condition bool, tval, fval func() T) T {
+func MultiF[T comparable](condition bool, tval func() T, fval T) T {
 	if condition {
 		return tval()
 	} else {
-		return fval()
+		return fval
 	}
 }