diff --git a/src/main/java/org/joychou/controller/Log4j.java b/src/main/java/org/joychou/controller/Log4j.java
index e5dbc83a..da701bc5 100644
--- a/src/main/java/org/joychou/controller/Log4j.java
+++ b/src/main/java/org/joychou/controller/Log4j.java
@@ -21,7 +21,7 @@ public String log4j(String token) {
         if(token.equals("java-sec-code")) {
             return "java sec code";
         } else {
-            logger.error(token);
+            logger.error("Invalid token detected");
             return "error";
         }
     }