fix: fix AesCfbDecrypt

README.md

@@ -19,7 +19,7 @@
     Lancet is a comprehensive, efficient, and reusable util function library of go. Inspired by the java apache common package and lodash.js.
 </p>
 
-English | [简体中文](./README_zh-CN.md) | [Website](https://uvdream.github.io/lancet-docs/en/)
+English | [简体中文](./README_zh-CN.md)
 
 ## Feature
 

README_zh-CN.md

@@ -18,7 +18,7 @@
     lancet（柳叶刀）是一个全面、高效、可复用的go语言工具函数库。 lancet受到了java apache common包和lodash.js的启发。
 </p>
 
-简体中文 | [English](./README.md) | [文档](https://uvdream.github.io/lancet-docs)
+简体中文 | [English](./README.md)
 
 ## 特性
 

cryptor/aes.go

@@ -130,10 +130,10 @@ func AesCfbDecrypt(encrypted, key []byte) []byte {
 		panic("encrypted data is too short")
 	}
 
-	encrypted = encrypted[aes.BlockSize:]
-
 	block, _ := aes.NewCipher(key)
 	iv := encrypted[:aes.BlockSize]
+	encrypted = encrypted[aes.BlockSize:]
+
 	stream := cipher.NewCFBDecrypter(block, iv)
 
 	stream.XORKeyStream(encrypted, encrypted)