diff --git a/util/src/main/java/com/ccsens/util/SymmetricCryptoUtil.java b/util/src/main/java/com/ccsens/util/SymmetricCryptoUtil.java
new file mode 100644
index 0000000..e578dc4
--- /dev/null
+++ b/util/src/main/java/com/ccsens/util/SymmetricCryptoUtil.java
@@ -0,0 +1,32 @@
+package com.ccsens.util;
+
+import cn.hutool.core.codec.Base64;
+import cn.hutool.core.util.CharsetUtil;
+import cn.hutool.crypto.SecureUtil;
+import cn.hutool.crypto.symmetric.SymmetricAlgorithm;
+import cn.hutool.crypto.symmetric.SymmetricCrypto;
+
+/**
+ * @author 逗
+ */
+public class SymmetricCryptoUtil {
+
+    /**生成密钥*/
+    public String generateKey(){
+        byte[] key = SecureUtil.generateKey(SymmetricAlgorithm.AES.getValue()).getEncoded();
+        return Base64.encode(key);
+    }
+
+    /**加密*/
+    public String encrypt(String key, String value){
+        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, Base64.decode(key));
+        return aes.encryptHex(value);
+    }
+
+    /**解密*/
+    public String decode(String key, String encryptString){
+        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, Base64.decode(key));
+        //解密为字符串
+        return aes.decryptStr(encryptString, CharsetUtil.CHARSET_UTF_8);
+    }
+}