diff --git a/plugins/zltx_v2/internal/transform.go b/plugins/zltx_v2/internal/transform.go
index 6f16dce..96b6653 100644
--- a/plugins/zltx_v2/internal/transform.go
+++ b/plugins/zltx_v2/internal/transform.go
@@ -49,12 +49,10 @@ func (c *Config) orderReq(in *proto.OrderRequest) *api.OrderCreateReq {
 	accountType := int64(0)
 	if in.Order.Account == "" {
 		accountType = 0
-	} else {
-		if helper.IsPhoneNumber(in.Order.Account) {
-			accountType = 1
-		} else {
-			accountType = 2
-		}
+	} else if helper.IsPhoneNumber(in.Order.Account) {
+		accountType = 1
+	} else if helper.IsValidQQ(in.Order.Account) {
+		accountType = 2
 	}
 	return &api.OrderCreateReq{
 		OutTradeNo:      in.Order.OrderNo,       // 商户侧订单号长度只能是1-64位
diff --git a/utils/helper/common.go b/utils/helper/common.go
index bb111d7..87baf05 100644
--- a/utils/helper/common.go
+++ b/utils/helper/common.go
@@ -19,12 +19,21 @@ func ToChinese(s string) string {
 	return encodedName
 }
 
+// IsPhoneNumber 检查给定的字符串是否为有效的手机号码
 func IsPhoneNumber(phoneNumber string) bool {
 	phoneRegex := `^1[34578]\d{9}$`
 	return regexp.MustCompile(phoneRegex).MatchString(phoneNumber)
 }
 
+// IsEmail 检查给定的字符串是否为有效的电子邮箱地址
 func IsEmail(email string) bool {
 	var emailRegex = regexp.MustCompile(`[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
 	return emailRegex.MatchString(email)
 }
+
+// IsValidQQ 检查给定的字符串是否为有效的 QQ 号
+func IsValidQQ(qq string) bool {
+	// QQ号正则表达式：5到11位数字，且开头不为0的情况
+	re := regexp.MustCompile(`^(?!0)[0-9]{5,11}$`)
+	return re.MatchString(qq)
+}