diff --git a/tool/define/diff.go b/tool/define/diff.go
index 8b63d9e..e8a969c 100644
--- a/tool/define/diff.go
+++ b/tool/define/diff.go
@@ -69,6 +69,7 @@ type CustomDiffFunc func(field string, inputVal wrapper.Map, storageVal wrapper.
 //
 // Date : 11:10 2024/3/8
 type DiffResult struct {
+	Field      string      `json:"field"`       // 字段名
 	OldVal     interface{} `json:"old_val"`     // 当前field在storageVal中的值
 	NewVal     interface{} `json:"new_val"`     // 当前field在inputVal中的值
 	IsSame     bool        `json:"is_same"`     // 两个值是否相同
@@ -126,6 +127,7 @@ func DefaultDiffFunc(field string, inputVal wrapper.Map, storageVal wrapper.Map,
 		option = NewDiffOption()
 	}
 	result := &DiffResult{
+		Field:      field,
 		OldVal:     nil,
 		NewVal:     nil,
 		IsSame:     true,
diff --git a/tool/diff.go b/tool/diff.go
index 9e3e575..1b47618 100644
--- a/tool/diff.go
+++ b/tool/diff.go
@@ -7,9 +7,34 @@
 // Date : 2024-03-08 11:03
 package tool
 
+import (
+	"git.zhangdeman.cn/zhangdeman/wrapper"
+	"git.zhangdeman.cn/zhangdeman/wrapper/tool/define"
+)
+
 var (
 	Diff = &diff{}
 )
 
 type diff struct {
 }
+
+// Compare 比较两个数据源的指定字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:53 2024/3/8
+func (d *diff) Compare(fieldList []string, input wrapper.Map, storage wrapper.Map, option *define.DiffOption) map[string]*define.DiffResult {
+	if nil == option {
+		option = define.NewDiffOption()
+	}
+	res := make(map[string]*define.DiffResult)
+	for _, itemField := range fieldList {
+		if compareFunc, exist := option.CustomDiffFuncTable[itemField]; exist && nil != compareFunc {
+			res[itemField] = compareFunc(itemField, input, storage, option)
+		} else {
+			res[itemField] = define.DefaultDiffFunc(itemField, input, storage, option)
+		}
+	}
+	return res
+}