diff --git a/Elight.Utility/Encrypt/DataEncryption.cs b/Elight.Utility/Encrypt/DataEncryption.cs
index b87f403..d9ae4d3 100644
--- a/Elight.Utility/Encrypt/DataEncryption.cs
+++ b/Elight.Utility/Encrypt/DataEncryption.cs
@@ -138,7 +138,11 @@ namespace Elight.Utility.Encrypt
         {
             return srcFile.LastIndexOf(".encry") > 0;
         }
-
+        /// <summary>
+        /// 解密文件，返回base64值
+        /// </summary>
+        /// <param name="srcFile"></param>
+        /// <returns></returns>
         public static string Decryptiones(string srcFile)
         {
             var fs = File.OpenRead(srcFile);