diff --git a/k8s/backend/init.sql b/k8s/backend/init.sql
index 7360b90..7322fc3 100644
--- a/k8s/backend/init.sql
+++ b/k8s/backend/init.sql
@@ -80,6 +80,7 @@ CREATE TABLE "orders" (
   "customer_wechat" VARCHAR(64) DEFAULT NULL,
   "total_amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
   "discount_amount" DECIMAL(12,2) DEFAULT 0,
+  "discount_money" DECIMAL(12,2) DEFAULT 0,
   "actual_amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
   "discount_rate" DECIMAL(5,2) DEFAULT 100,
   "status" INTEGER DEFAULT 1,