diff --git a/json_tool/filter.go b/json_tool/filter.go
index e51d35f..d2be397 100644
--- a/json_tool/filter.go
+++ b/json_tool/filter.go
@@ -75,12 +75,12 @@ func (f *Filter) Result() (*DynamicJSON, error) {
 		}
 		// 支持list再抽取一层,处于性能考虑,这么限制,不做递归无限深度处理
 		// 还能继续抽取,就认为是 []map[string]interface{}
-		ketList := strings.Split(pathArr[1], ".")
+		keyList := strings.Split(pathArr[1], ".")
 		for idx, item := range val.Array() {
 			data := item.Map()
-			for _, key := range ketList {
-				if v, exist := data[key]; exist {
-					result.SetValue(strings.ReplaceAll(newDataRule.MapKey, "[]", fmt.Sprintf("[%d]", idx)), data[key].Value(), v.IsObject() || v.IsArray())
+			for _, key := range keyList {
+				if _, exist := data[key]; exist {
+					result.SetValue(strings.ReplaceAll(newDataRule.MapKey, "[]", fmt.Sprintf("[%d]", idx)), data[key].String(), newDataRule.IsComplexType)
 				} else {
 					// 结果集中不存在对应key,设置默认值
 					result.SetValue(strings.ReplaceAll(newDataRule.MapKey, "[]", fmt.Sprintf("[%d]", idx)), newDataRule.DefaultValue, newDataRule.IsComplexType)