diff --git a/tool/json_test.go b/tool/json_test.go
index b655dd5..3ae4f41 100644
--- a/tool/json_test.go
+++ b/tool/json_test.go
@@ -275,3 +275,26 @@ func TestDataFilterDiffArr(t *testing.T) {
 	filter.Filter()
 	//fmt.Println()
 }
+
+// TestDataFilterRootArr ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 20:45 2023/8/31
+func TestDataFilterRootArr(t *testing.T) {
+	source := []map[string]interface{}{
+		{"user_list": []interface{}{map[string]interface{}{"name": "alex", "age": 18, "number": 1}}},
+		{"user_list": []interface{}{map[string]interface{}{"name": "bob", "age": 28, "number": 2}}},
+		{"user_list": []interface{}{map[string]interface{}{"name": "andy", "age": 28, "number": 2}}},
+	}
+	rule := []*FilterDataRule{
+		// {SourceKey: "name", MapKey: "slice.[]", DefaultValue: "用户姓名默认值"},
+		{SourceKey: "[].user_list.[].name", MapKey: "user_list.[].detail.name", DefaultValue: "用户姓名默认值"},
+		{SourceKey: "[].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)
+	filter.UserItemToSlice()
+	filter.Filter()
+	//fmt.Println()
+}