diff --git a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/server-layer.graphqls b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/server-layer.graphqls
index de4134735..ddd41c680 100644
--- a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/server-layer.graphqls
+++ b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/server-layer.graphqls
@@ -10,8 +10,8 @@ type AppServerInfo {
     os: String
     host: String
     pid: Int
-    IPv4: String
-    IPv6: String
+    ipv4: String
+    ipv6: String
 }
 
 type CPUTrend {