diff --git a/src/main/java/cn/lihongjie/coal/session/SessionService.java b/src/main/java/cn/lihongjie/coal/session/SessionService.java
index 7dead2e4..cb7767d4 100644
--- a/src/main/java/cn/lihongjie/coal/session/SessionService.java
+++ b/src/main/java/cn/lihongjie/coal/session/SessionService.java
@@ -162,7 +162,7 @@ public class SessionService {
 
             loginDto = loginUserService.getFromCache(sessionId);
         } catch (Exception e) {
-            log.warn("会话已过期 {}", sessionId);
+            log.warn("会话已过期 {}", sessionId, e);
             logout(sessionId);
             throw new BizException("invalidToken", "会话已过期,请重新登录");
         }