diff --git a/src/views/auth/source/index.vue b/src/views/auth/source/index.vue
index e6975e6..2020543 100644
--- a/src/views/auth/source/index.vue
+++ b/src/views/auth/source/index.vue
@@ -650,11 +650,20 @@ const handleLoginTypeChange = () => {
         } else {
           loginResult.value = response.data;
         }
+      } else if (response.code === 500) {
+        loginResult.value = null;
+        const historyResponse = await queryLoginHistory('source');
+        if (historyResponse.code === 200 && historyResponse.data && historyResponse.data.length > 0) {
+          ElMessage.warning('当前会话已过期，请重新登录');
+        } else {
+          ElMessage.info('当前未登录，请先登录');
+        }
       } else {
         loginResult.value = null;
       }
     } catch (error) {
       console.warn('Auto fetch info failed:', error);
+      loginResult.value = null;
     } finally {
       currentLoading.value = false;
     }