diff --git a/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/UserTokenUtil.java b/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/UserTokenUtil.java
index ef017636..4048d6b7 100644
--- a/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/UserTokenUtil.java
+++ b/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/UserTokenUtil.java
@@ -110,7 +110,8 @@ public class UserTokenUtil {
             String signTokenHex = new Md5Hash(signToken).toHex();
 
             // 获得当前时间戳时间
-            long timestamp = Long.parseLong(JwtUtil.getClaim(signToken, SignConstants.TIMESTAMP));
+            long timestamp = Convert.toLong(
+                    JwtUtil.getClaim(signToken, SignConstants.TIMESTAMP));
             DateTime currDate = DateUtil.date(timestamp);
 
             // 获得失效偏移量时间