diff --git a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/MesEnumUtil.java b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/MesEnumUtil.java
index 1be5a75..cc709a5 100644
--- a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/MesEnumUtil.java
+++ b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/MesEnumUtil.java
@@ -12,6 +12,44 @@ import com.fasterxml.jackson.annotation.JsonFormat;
 public class MesEnumUtil {
 
     /**
+     * mes工步类型
+     */
+    @JsonFormat(shape = JsonFormat.Shape.OBJECT)
+    public enum MES_STEP_TYPE {
+
+        COMMON_STEP("10", "公用工步"),
+        JIT_STEP("20", "JIT工步"),
+        WORK_ORDER_STEP("30", "工单工步"),
+        BACK_STEP("40", "后台工步");
+
+        private String value;
+        private String description;
+
+        MES_STEP_TYPE(String value, String description) {
+            this.value = value;
+            this.description = description;
+        }
+
+        public String getValue() {
+            return value;
+        }
+
+        public String getDescription() {
+            return description;
+        }
+
+        public static String valueOfDescription(String val) {
+            String tmp = null;
+            for (int i = 0; i < values().length; i++) {
+                if (values()[i].value.equals(val) ) {
+                    tmp = values()[i].description;
+                }
+            }
+            return tmp;
+        }
+    }
+
+    /**
      * mes工作单元参数类型
      */
     @JsonFormat(shape = JsonFormat.Shape.OBJECT)