diff --git a/mall-oms/oms-boot/src/main/java/com/youlai/mall/oms/common/constant/OmsConstants.java b/mall-oms/oms-boot/src/main/java/com/youlai/mall/oms/common/constant/OmsConstants.java
new file mode 100644
index 000000000..383bdbba8
--- /dev/null
+++ b/mall-oms/oms-boot/src/main/java/com/youlai/mall/oms/common/constant/OmsConstants.java
@@ -0,0 +1,28 @@
+package com.youlai.mall.oms.common.constant;
+
+/**
+ * 订单常量
+ *
+ * @author haoxr
+ * @date 2021/03/16
+ */
+public interface OmsConstants {
+
+    /**
+     * 会员购物车缓存KEY前缀
+     */
+    String MEMBER_CART_PREFIX = "MEMBER:CART:";
+
+    /**
+     * 订单防重提交锁KEY前缀
+     */
+    String ORDER_RESUBMIT_LOCK_PREFIX = "ORDER:RESUBMIT_LOCK:";
+
+
+    /**
+     * 订单锁前缀
+     *
+     */
+    String ORDER_LOCK_PREFIX = "ORDER:LOCK:";
+
+}