diff --git a/dsms-engine-application/src/test/java/com/dsms/common/util/JwtUtilTest.java b/dsms-engine-application/src/test/java/com/dsms/common/util/JwtUtilTest.java
index 797f0d35932480bde83b935fe37089003bf11b81..5f2fb8f5430aa8ad64922150eb51ca784b276437 100644
--- a/dsms-engine-application/src/test/java/com/dsms/common/util/JwtUtilTest.java
+++ b/dsms-engine-application/src/test/java/com/dsms/common/util/JwtUtilTest.java
@@ -1,8 +1,10 @@
 package com.dsms.common.util;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.SignatureAlgorithm;
 import java.util.UUID;
 import org.junit.jupiter.api.Test;
 
@@ -20,4 +22,21 @@ class JwtUtilTest {
         assertEquals(userName, claims.getSubject());
     }
 
+    @Test
+    void testTtlJwt() {
+        String key = UUID.randomUUID().toString();
+        long ttl = 30;
+
+        JwtUtil jwtUtil = new JwtUtil(key, ttl, SignatureAlgorithm.HS256);
+        assertEquals(key, jwtUtil.getKey());
+        assertEquals(ttl, jwtUtil.getTtl());
+        String userId = "id";
+        String userName = "name";
+        String newToken = jwtUtil.createJWT(userId, userName, null);
+        Claims claims = jwtUtil.parseJWT(newToken);
+        assertEquals(userId, claims.getId());
+        assertEquals(userName, claims.getSubject());
+        assertNotNull(claims.getExpiration());
+    }
+
 }
\ No newline at end of file