Stripe支付--添加推广码功能及相应佣金计算

src/main/resources/messages_en.properties

@@ -153,6 +153,9 @@ generate.result.below.standard=The quality of the generated images currently fal
 partial.design.failed=Partial design failed, Please try again later.
 email.count.limit=Rate limit reached. Retry in 1 hour.
 model.path.cannot.be.empty=Model path cannot be empty.
+this.promotion.code.has.expired=This promotion code has expired.
+this.promotion.code.is.invalid=This promotion code is invalid.
+one.time.limit.per.customer=This code has already been redeemed. Promo codes are limited to one-time use per customer.
 
 # 可能会报异常
 # Informative: