diff --git a/ruoyi-cai/src/main/java/com/ruoyi/cai/util/AES.java b/ruoyi-cai/src/main/java/com/ruoyi/cai/util/AES.java
new file mode 100644
index 00000000..d3ac6c3f
--- /dev/null
+++ b/ruoyi-cai/src/main/java/com/ruoyi/cai/util/AES.java
@@ -0,0 +1,23 @@
+package com.ruoyi.cai.util;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+public class AES {
+
+    public static void main(String[] args) throws Exception {
+        String jsonData ="asdjkljfiohweioufhkjshjkvbajkdsbjksjasdhfjanskjd"; // 要加密的JSON 数据
+        String key = "K2AwvosrwtoAgOEp";
+        System.out.println(encrypt(jsonData,key));
+    }
+
+    public static String encrypt(String data, String key) throws Exception {
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
+        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);
+        byte[] encryptedBytes = cipher.doFinal(data.getBytes(StandardCharsets.UTF_8));
+        return Base64.getEncoder().encodeToString(encryptedBytes);
+    }
+}