UPDATE README.

Author: myloveCc

README.md

@@ -88,25 +88,25 @@ Install-Package NETCore.Encrypt -Version 2.0.6
     var srcString = "des encrypt";
     var encrypted = EncryptProvider.DESEncrypt(srcString, key);
     ```
-  - DES encrypt bytes at version 2.0.6
+- #### DES encrypt bytes at version 2.0.6
 
-    ```csharp
-    var srcBytes =  new byte[]{xxx};
-    var decryptedBytes = EncryptProvider.DESEncrypt(srcBytes, key);
-    ```
+```csharp
+var srcBytes =  new byte[]{xxx};
+var decryptedBytes = EncryptProvider.DESEncrypt(srcBytes, key);
+```
 - #### DES decrypt
 
     ```csharp
     var encryptedStr = "xxxx";
     var decrypted = EncryptProvider.DESDecrypt(encryptedStr, key);
     ```
 
-  - DES decrypt bytes at version 2.0.6
+- #### DES decrypt bytes at version 2.0.6
 
-    ```csharp
-    var encryptedBytes =  new byte[]{xxx};
-    var decryptedBytes = EncryptProvider.DESDecrypt(encryptedBytes, key);
-    ```
+```csharp
+var encryptedBytes =  new byte[]{xxx};
+var decryptedBytes = EncryptProvider.DESDecrypt(encryptedBytes, key);
+```
 
 ## RSA