diff --git a/modules/i3plus-pojo-mes/src/main/java/cn/estsh/i3plus/pojo/mes/bean/MesProduceSn.java b/modules/i3plus-pojo-mes/src/main/java/cn/estsh/i3plus/pojo/mes/bean/MesProduceSn.java
index c0b3162..b71d6ac 100644
--- a/modules/i3plus-pojo-mes/src/main/java/cn/estsh/i3plus/pojo/mes/bean/MesProduceSn.java
+++ b/modules/i3plus-pojo-mes/src/main/java/cn/estsh/i3plus/pojo/mes/bean/MesProduceSn.java
@@ -26,6 +26,7 @@ import java.math.BigDecimal;
 @DynamicUpdate
 @EqualsAndHashCode(callSuper = true)
 @Table(name = "MES_PRODUCE_SN", indexes = {
+        @Index(columnList = "SERIAL_NUMBER"),
         @Index(columnList = "PRODUCT_SN"),
         @Index(columnList = "CREATE_DATE_TIME"),
         @Index(columnList = "PART_NO"),