diff --git a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/overview-layer.graphqls b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/overview-layer.graphqls
index 8179ce5aded1fbd1ac9d5a8d715960a34e6ba540..1dbc1455bdbcfd6830806dfb7feb4ef0aa0241c3 100644
--- a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/overview-layer.graphqls
+++ b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/overview-layer.graphqls
@@ -91,9 +91,19 @@ type ConjecturalApp {
   num: int!
 }
 
+type ApplicationBrief {
+  apps: [ApplicationInfo!]
+}
+
+type ApplicationInfo {
+  name: String!
+  tps: int!
+}
+
 extend type Query {
   getApplicationTopology(duration: Duration!): ApplicationTopology
   getClusterBrief(duration: Duration!): ClusterBrief
   getAlarmTrend(duration: Duration!): AlarmTrend
   getConjecturalApps(duration: Duration!): ConjecturalAppBrief
+  getApplicationBrief(duration: Duration!, topN: Int!): ApplicationBrief
 }