diff --git a/naming/src/main/java/com/alibaba/nacos/naming/controllers/InstanceController.java b/naming/src/main/java/com/alibaba/nacos/naming/controllers/InstanceController.java
index 936e4d9e8a7..e91f1e1e6f8 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/controllers/InstanceController.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/controllers/InstanceController.java
@@ -288,7 +288,7 @@ private List<Instance> parseBatchInstances(String instances) {
             return JacksonUtils.toObj(instances, new TypeReference<List<Instance>>() {
             });
         } catch (Exception e) {
-            Loggers.SRV_LOG.warn("UPDATE-METADATA: Param 'target' is illegal, ignore this operation", e);
+            Loggers.SRV_LOG.warn("UPDATE-METADATA: Param 'instances' is illegal, ignore this operation", e);
         }
         return null;
     }