diff --git a/linkis-commons/linkis-common/src/main/java/org/apache/linkis/common/utils/TicketCipher.java b/linkis-commons/linkis-common/src/main/java/org/apache/linkis/common/utils/TicketCipher.java
index 7e704b00959..cd85aa6bdee 100644
--- a/linkis-commons/linkis-common/src/main/java/org/apache/linkis/common/utils/TicketCipher.java
+++ b/linkis-commons/linkis-common/src/main/java/org/apache/linkis/common/utils/TicketCipher.java
@@ -58,6 +58,7 @@ public class TicketCipher {
       "linkis-ticket-v2".getBytes(StandardCharsets.UTF_8);
   private static final byte VERSION_V2 = 0x02;
 
+  private final boolean useV2;
   private final SecretKey encKey;
   private final String cryptKeyRaw;
   private final SecureRandom rng = new SecureRandom();
@@ -68,14 +69,11 @@ public class TicketCipher {
    */
   public TicketCipher(String cryptKeyRaw, boolean useV2) {
     this.cryptKeyRaw = cryptKeyRaw;
-    if (useV2) {
-      try {
-        this.encKey = deriveKey(cryptKeyRaw);
-      } catch (Exception e) {
-        throw new RuntimeException("Failed to derive ticket encryption key", e);
-      }
-    } else {
-      this.encKey = null; // unused in V1 mode
+    this.useV2 = useV2;
+    try {
+      this.encKey = deriveKey(cryptKeyRaw);
+    } catch (Exception e) {
+      throw new RuntimeException("Failed to derive ticket encryption key", e);
     }
   }
 
@@ -86,7 +84,7 @@ public TicketCipher(String cryptKeyRaw, boolean useV2) {
    * When V2 is disabled: legacy DES (via DESUtil.encrypt).
    */
   public String encrypt(String plaintext) throws Exception {
-    if (encKey != null) {
+    if (useV2) {
       return encryptV2(plaintext);
     }
     return DESUtil.encrypt(plaintext, cryptKeyRaw);
diff --git a/linkis-commons/linkis-module/src/test/resources/linkis.properties b/linkis-commons/linkis-module/src/test/resources/linkis.properties
index 1c575edc5b8..dd4ce5e4eaf 100644
--- a/linkis-commons/linkis-module/src/test/resources/linkis.properties
+++ b/linkis-commons/linkis-module/src/test/resources/linkis.properties
@@ -18,4 +18,5 @@ wds.linkis.server.version=v1
 
 #test
 wds.linkis.test.mode=true
-wds.linkis.test.user=hadoop
\ No newline at end of file
+wds.linkis.test.user=hadoop
+wds.linkis.crypt.key=linkis-unit-test-crypt-key-not-for-deployment