diff --git a/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceEntity.java b/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceEntity.java
index eb092321..f1ada3c5 100644
--- a/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceEntity.java
+++ b/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceEntity.java
@@ -4,6 +4,7 @@ import cn.lihongjie.coal.base.entity.OrgCommonEntity;
 import cn.lihongjie.coal.emDeviceSupplier.entity.EmDeviceSupplierEntity;
 import cn.lihongjie.coal.thirdAccount.entity.ThirdAccountEntity;
 
+import jakarta.persistence.ElementCollection;
 import jakarta.persistence.Entity;
 import jakarta.persistence.ManyToOne;
 
@@ -13,6 +14,8 @@ import org.hibernate.annotations.ColumnDefault;
 import org.hibernate.annotations.Comment;
 import org.hibernate.annotations.Formula;
 
+import java.util.List;
+
 @Data
 @Entity
 public class EmDeviceEntity extends OrgCommonEntity {
@@ -47,4 +50,8 @@ public class EmDeviceEntity extends OrgCommonEntity {
                     + "  and d.code = 'archiveStatus'\n"
                     + "  and i.code = archive_status)")
     private String archiveStatusName;
+
+
+    @ElementCollection
+    private List<EmDeviceItemConfig> itemConfig;
 }
diff --git a/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceItemConfig.java b/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceItemConfig.java
new file mode 100644
index 00000000..89c13641
--- /dev/null
+++ b/src/main/java/cn/lihongjie/coal/emDevice/entity/EmDeviceItemConfig.java
@@ -0,0 +1,20 @@
+package cn.lihongjie.coal.emDevice.entity;
+
+import jakarta.persistence.Embeddable;
+
+import lombok.Data;
+
+@Data
+@Embeddable
+public class EmDeviceItemConfig {
+
+
+    private String code;
+    private String name;
+    private Double minVal;
+    private Double maxVal;
+
+    private Boolean enableAlter;
+
+    
+}