diff --git a/src/main/java/com/muyu/domain/DataStructure.java b/src/main/java/com/muyu/domain/DataStructure.java
index 664028b..df260eb 100644
--- a/src/main/java/com/muyu/domain/DataStructure.java
+++ b/src/main/java/com/muyu/domain/DataStructure.java
@@ -1,5 +1,6 @@
 package com.muyu.domain;
 
+import com.muyu.enums.DataType;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -16,9 +17,20 @@ import lombok.NoArgsConstructor;
 @AllArgsConstructor
 @NoArgsConstructor
 public class DataStructure {
-
-    private String name;
-    private Object type;
+    /**
+     * 字段名
+     */
+    private String key;
+    /**
+     * 字段类型
+     */
+    private String type;
+    /**
+     * 描述
+     */
     private String label;
-    private Object value;
+    /**
+     * 值
+     */
+    private DataType value;
 }
diff --git a/src/main/java/com/muyu/enums/DataType.java b/src/main/java/com/muyu/enums/DataType.java
new file mode 100644
index 0000000..3571cfa
--- /dev/null
+++ b/src/main/java/com/muyu/enums/DataType.java
@@ -0,0 +1,59 @@
+package com.muyu.enums;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+/**
+ * @Author WangXin
+ * @Data 2024/8/28
+ * @Description 数据类型枚举
+ * @Version 1.0.0
+ */
+public enum DataType {
+
+    STRING(
+            new String[]{"char", "varchar", "text", "mediumtext", "longtext", "longblob"},
+            String.class
+    ),
+    INTEGER(
+            new String[]{"int", "tinyint"},
+            Integer.class
+    ),
+    DATE(
+            new String[]{"date", "datetime","timestamp"},
+            Date.class
+    ),
+    BIG_DECIMAL(
+            new String[]{"decimal", "double", "float"},
+            BigDecimal.class
+    ),
+    LONG(
+            new String[]{"bigint"},
+            Long.class
+    );
+
+    private String[] sourceType;
+
+    private Class<?> targetType;
+
+    DataType(String[] sourceType, Class<?> targetType) {
+        this.sourceType = sourceType;
+        this.targetType = targetType;
+    }
+
+    public String[] getSourceType() {
+        return sourceType;
+    }
+
+    public void setSourceType(String[] sourceType) {
+        this.sourceType = sourceType;
+    }
+
+    public Class<?> getTargetType() {
+        return targetType;
+    }
+
+    public void setTargetType(Class<?> targetType) {
+        this.targetType = targetType;
+    }
+}