diff --git a/controller/channel-billing.go b/controller/channel-billing.go
index de3fc5f9..8b6d787b 100644
--- a/controller/channel-billing.go
+++ b/controller/channel-billing.go
@@ -37,6 +37,55 @@ type OpenAIUsageResponse struct {
 	TotalUsage float64 `json:"total_usage"` // unit: 0.01 dollar
 }
 
+type OpenaiSbUsageResponse struct {
+	Data struct {
+		Credit string `json:"credit"`
+	} `json:"data"`
+}
+
+func GetRequestBody(method, url string, channel *model.Channel) ([]byte, error) {
+	client := &http.Client{}
+	req, err := http.NewRequest(method, url, nil)
+	if err != nil {
+		return nil, err
+	}
+	auth := fmt.Sprintf("Bearer %s", channel.Key)
+	req.Header.Add("Authorization", auth)
+	res, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+	err = res.Body.Close()
+	if err != nil {
+		return nil, err
+	}
+	return body, nil
+}
+
+func getOpenaiSBCredit(channel *model.Channel) (float64, error) {
+	url := fmt.Sprintf("https://api.openai-sb.com/sb-api/user/status?api_key=%s", channel.Key)
+	body, err := GetRequestBody("GET", url, channel)
+	if err != nil {
+		return 0, err
+	}
+	subscription := OpenaiSbUsageResponse{}
+	err = json.Unmarshal(body, &subscription)
+	if err != nil {
+		return 0, err
+	}
+
+	balance, err := strconv.ParseFloat(subscription.Data.Credit, 64)
+	if err != nil {
+		return 0, err
+	}
+	channel.UpdateBalance(balance)
+	return balance, nil
+}
+
 func updateChannelBalance(channel *model.Channel) (float64, error) {
 	baseURL := common.ChannelBaseURLs[channel.Type]
 	switch channel.Type {
@@ -48,27 +97,14 @@ func updateChannelBalance(channel *model.Channel) (float64, error) {
 		return 0, errors.New("尚未实现")
 	case common.ChannelTypeCustom:
 		baseURL = channel.BaseURL
+	case common.ChannelTypeOpenAISB:
+		return getOpenaiSBCredit(channel)
 	default:
 		return 0, errors.New("尚未实现")
 	}
 	url := fmt.Sprintf("%s/v1/dashboard/billing/subscription", baseURL)
 
-	client := &http.Client{}
-	req, err := http.NewRequest("GET", url, nil)
-	if err != nil {
-		return 0, err
-	}
-	auth := fmt.Sprintf("Bearer %s", channel.Key)
-	req.Header.Add("Authorization", auth)
-	res, err := client.Do(req)
-	if err != nil {
-		return 0, err
-	}
-	body, err := io.ReadAll(res.Body)
-	if err != nil {
-		return 0, err
-	}
-	err = res.Body.Close()
+	body, err := GetRequestBody("GET", url, channel)
 	if err != nil {
 		return 0, err
 	}
@@ -84,20 +120,7 @@ func updateChannelBalance(channel *model.Channel) (float64, error) {
 		startDate = now.AddDate(0, 0, -100).Format("2006-01-02")
 	}
 	url = fmt.Sprintf("%s/v1/dashboard/billing/usage?start_date=%s&end_date=%s", baseURL, startDate, endDate)
-	req, err = http.NewRequest("GET", url, nil)
-	if err != nil {
-		return 0, err
-	}
-	req.Header.Add("Authorization", auth)
-	res, err = client.Do(req)
-	if err != nil {
-		return 0, err
-	}
-	body, err = io.ReadAll(res.Body)
-	if err != nil {
-		return 0, err
-	}
-	err = res.Body.Close()
+	body, err = GetRequestBody("GET", url, channel)
 	if err != nil {
 		return 0, err
 	}