fix type error
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/common/util/Constants.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/common/util/Constants.java
index 6d54b0a..9f5c282 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/common/util/Constants.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/common/util/Constants.java
@@ -24,7 +24,7 @@
 public class Constants {
 
     public static final String REGISTRY_ADDRESS = "dubbo.registry.address";
-    public static final String METADATA_ADDRESS = "dubbo.metadatareport.address";
+    public static final String METADATA_ADDRESS = "dubbo.metadataReport.address";
     public static final String DEFAULT_ROOT = "dubbo";
     public static final String PATH_SEPARATOR = "/";
     public static final String GROUP_KEY = "group";