diff --git a/ebike-operations/src/main/resources/db/init.sql b/ebike-operations/src/main/resources/db/init.sql
index b99c833..e0624ae 100644
--- a/ebike-operations/src/main/resources/db/init.sql
+++ b/ebike-operations/src/main/resources/db/init.sql
@@ -397,6 +397,7 @@ CREATE TABLE "public"."ebike_default_billing_configuration" (
             "charge_duration_minutes" int4 NOT NULL DEFAULT 1,
             "no_parking_zone_fee" numeric(10,2) NOT NULL DEFAULT 2.00,
             "helmet_management_fee" numeric(10,2) NOT NULL DEFAULT 2.00,
+            "prepaid_amount" numeric(10,2) NOT NULL DEFAULT 2.50,
             "created_at" timestamp(6) DEFAULT CURRENT_TIMESTAMP,
             "created_by" int8,
             "updated_at" timestamp(6) DEFAULT CURRENT_TIMESTAMP,
@@ -414,6 +415,7 @@ COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."base_duration_
 COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."charge_duration_minutes" IS '时长（分钟)';
 COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."no_parking_zone_fee" IS '禁停区调度费（元)';
 COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."helmet_management_fee" IS '头盔管理费（元)';
+COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."prepaid_amount" IS '订单预付金额（元)';
 COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."created_at" IS '记录创建时间';
 COMMENT ON COLUMN "public"."ebike_default_billing_configuration"."updated_at" IS '记录最后更新时间';
 COMMENT ON TABLE "public"."ebike_default_billing_configuration" IS '运营区默认计费规则';