diff --git a/library/src/main/java/com/socks/library/KLog.java b/library/src/main/java/com/socks/library/KLog.java
index 4245803..6cd2106 100644
--- a/library/src/main/java/com/socks/library/KLog.java
+++ b/library/src/main/java/com/socks/library/KLog.java
@@ -319,9 +319,11 @@ private static String getObjectsString(Object... objects) {
                 }
             }
             return stringBuilder.toString();
-        } else {
+        } else if (objects.length == 1){
             Object object = objects[0];
             return object == null ? NULL : object.toString();
+        } else {
+            return NULL;
         }
     }