Merge branch 'lichang' into lite

src/modules/network_element/service/ne_info.go

@@ -631,7 +631,7 @@ func (r NeInfo) neConfOAMRead(neType, neId string, sync bool) (map[string]any, e
 
 	// 读取文件内容
 	bytes, err := os.ReadFile(localFilePath)
-	if err != nil {
+	if err != nil || len(bytes) == 0 {
 		// logger.Warnf("NeConfOAMRead ReadFile => %s", err.Error())
 		// return nil, fmt.Errorf("read file error")
 		// 无保留文件时返回默认文件数据