diff --git a/de-xpack b/de-xpack
index f280417456..b6df806cad 160000
--- a/de-xpack
+++ b/de-xpack
@@ -1 +1 @@
-Subproject commit f28041745618304f6421a42d3ceaac68b96960a0
+Subproject commit b6df806cadde3be0a5cb55033a56f763ecd2a53b
diff --git a/sdk/common/src/main/java/io/dataease/constant/AuthConstant.java b/sdk/common/src/main/java/io/dataease/constant/AuthConstant.java
index 051bc88d8c..7d32607b18 100644
--- a/sdk/common/src/main/java/io/dataease/constant/AuthConstant.java
+++ b/sdk/common/src/main/java/io/dataease/constant/AuthConstant.java
@@ -18,6 +18,7 @@ public class AuthConstant {
     public final static String USER_IMPORT_ERROR_KEY = "USER-IMPORT-ERROR-KEY";
 
     public final static String LINK_TOKEN_KEY = "X-DE-LINK-TOKEN";
+    public final static String ASK_TOKEN_KEY = "X-DE-ASK-TOKEN";
 
     public final static String DE_EXECUTE_VERSION = "X-DE-EXECUTE-VERSION";
 
diff --git a/sdk/common/src/main/java/io/dataease/utils/AesUtils.java b/sdk/common/src/main/java/io/dataease/utils/AesUtils.java
new file mode 100644
index 0000000000..1dec907316
--- /dev/null
+++ b/sdk/common/src/main/java/io/dataease/utils/AesUtils.java
@@ -0,0 +1,36 @@
+package io.dataease.utils;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.lang3.StringUtils;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+public class AesUtils {
+
+    public static String aesDecrypt(String src, String secretKey, String iv) {
+        if (StringUtils.isBlank(secretKey)) {
+            throw new RuntimeException("secretKey is empty");
+        }
+        try {
+            byte[] raw = secretKey.getBytes(UTF_8);
+            SecretKeySpec secretKeySpec = new SecretKeySpec(raw, "AES");
+            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+            IvParameterSpec iv1 = new IvParameterSpec(iv.getBytes());
+            cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, iv1);
+            byte[] encrypted1 = Base64.decodeBase64(src);
+            byte[] original = cipher.doFinal(encrypted1);
+            return new String(original, UTF_8);
+        } catch (BadPaddingException | IllegalBlockSizeException e) {
+            // 解密的原字符串为非加密字符串，则直接返回原字符串
+            return src;
+        } catch (Exception e) {
+            throw new RuntimeException("decrypt error，please check parameters", e);
+        }
+    }
+}