diff --git a/json_tool/gabs.go b/json_tool/gabs.go
index e8ede3b..077b57f 100644
--- a/json_tool/gabs.go
+++ b/json_tool/gabs.go
@@ -129,7 +129,11 @@ func (df *DataFilter) UserItemToSlice() {
 //
 // Date : 2022/1/23 12:45 AM
 func (df *DataFilter) getValueType(valueResult gjson.Result) string {
-	dataType := reflect.TypeOf(valueResult.Value()).String()
+	dataTypeVal := reflect.TypeOf(valueResult.Value())
+	if nil == dataTypeVal {
+		return "NIL"
+	}
+	dataType := dataTypeVal.String()
 	if strings.Contains(dataType, "int") {
 		return "int64"
 	}
@@ -243,7 +247,6 @@ func (df *DataFilter) getArrayData(source string, pathArr []string) []gjson.Resu
 	resultList := make([]gjson.Result, 0)
 	dataList := gjson.Get(source, pathArr[0]).Array()
 	for idx := 0; idx < len(dataList); idx++ {
-		// sourceData := gjson.Get(source, dataList[idx].String()).String()
 		resultList = append(resultList, df.getArrayData(dataList[idx].String(), pathArr[1:])...)
 	}
 	return resultList
diff --git a/json_tool/json_test.go b/json_tool/json_test.go
index e8cb6ef..b479147 100644
--- a/json_tool/json_test.go
+++ b/json_tool/json_test.go
@@ -267,7 +267,7 @@ func TestDataFilterDiffArr(t *testing.T) {
 	rule := []*FilterDataRule{
 		// {SourceKey: "name", MapKey: "slice.[]", DefaultValue: "用户姓名默认值"},
 		{SourceKey: "table.[].user_list.[].name", MapKey: "user_list.[].detail.name", DefaultValue: "用户姓名默认值"},
-		{SourceKey: "table.[].user_list.[].age", MapKey: "user_list.[]detail.age", DefaultValue: "用户姓名默认值"},
+		{SourceKey: "table.[].user_list.[].age", MapKey: "user_list.[].detail.age", DefaultValue: "用户姓名默认值"},
 	}
 	byteData, _ := json.Marshal(source)
 	filter := NewDataFilter(string(byteData), rule)