diff --git a/Elight.Utility/Encrypt/AES.cs b/Elight.Utility/Encrypt/AES.cs
index 0e21edb..eee5429 100644
--- a/Elight.Utility/Encrypt/AES.cs
+++ b/Elight.Utility/Encrypt/AES.cs
@@ -39,20 +39,27 @@ namespace Elight.Utility.Encrypt
         /// <returns>结果</returns>
         public static string Decrypt(string toDecrypt)
         {
-            byte[] keyArray = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
-            byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);
-
-            RijndaelManaged rDel = new RijndaelManaged
+            try
             {
-                Key = keyArray,
-                Mode = CipherMode.ECB,
-                Padding = PaddingMode.PKCS7
-            };
+                byte[] keyArray = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
+                byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);
 
-            ICryptoTransform cTransform = rDel.CreateDecryptor();
-            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+                RijndaelManaged rDel = new RijndaelManaged
+                {
+                    Key = keyArray,
+                    Mode = CipherMode.ECB,
+                    Padding = PaddingMode.PKCS7
+                };
 
-            return Encoding.UTF8.GetString(resultArray);
+                ICryptoTransform cTransform = rDel.CreateDecryptor();
+                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+                return Encoding.UTF8.GetString(resultArray);
+            }
+            catch
+            {
+                return "";
+            }
         }
     }
 }