diff --git a/maku-boot-module/maku-module-monitor/src/main/java/net/maku/monitor/controller/UserOnlineController.java b/maku-boot-module/maku-module-monitor/src/main/java/net/maku/monitor/controller/UserOnlineController.java
index 453092b..75b63f4 100644
--- a/maku-boot-module/maku-module-monitor/src/main/java/net/maku/monitor/controller/UserOnlineController.java
+++ b/maku-boot-module/maku-module-monitor/src/main/java/net/maku/monitor/controller/UserOnlineController.java
@@ -56,7 +56,7 @@ public class UserOnlineController {
 
         });
 
-        return Result.ok(new PageResult<>(userOnlineList, keyList.size()));
+        return Result.ok(new PageResult<>(userOnlineList, keys.size()));
     }
 
     @DeleteMapping("{accessToken}")