Fix missing parts.

apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/alarm.graphqls

+type Alarm {
+    items: [AlarmItem!]!
+    count: Int!
+}
+
 type AlarmItem {
     # Typical include: Application Code + cause type. This is a short description.
     title: String!
@@ -21,5 +26,5 @@ enum CauseType {
 }
 
 extend type Query {
-    loadAlertList(keyword: String, alertType: AlarmType, duration:Duration!, paging: Pagination!):[AlarmItem!]!
+    loadAlertList(keyword: String, alertType: AlarmType, duration:Duration!, paging: Pagination!): Alarm
 }
\ No newline at end of file

apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/application-layer.graphqls

@@ -32,8 +32,8 @@ type ConjecturalNode implements Node {
 
 
 extend type Query {
-  getAllApplication(duration: Duration!): [ApplicationNode]
+  getAllApplication(duration: Duration!): [ApplicationNode!]!
   getApplicationTopology(applicationId: ID!, duration: Duration!): Topology
-  getSlowService(applicationId: ID!, duration: Duration, top: Int!): [ServiceInfo!]
-  getServerThroughput(applicationId: ID!, duration: Duration!, top: Int!): [AppServerInfo!]
+  getSlowService(applicationId: ID!, duration: Duration!, top: Int!): [ServiceInfo!]!
+  getServerThroughput(applicationId: ID!, duration: Duration!, top: Int!): [AppServerInfo!]!
 }

apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/service-layer.graphqls

@@ -27,7 +27,7 @@ type TraceItem {
 }
 
 extend type Query {
-    searchService(keyword: String!, duration: Duration!): [ServiceNode]
+    searchService(keyword: String!, duration: Duration!, topN: Int!): [ServiceNode!]!
     getServiceResponseTimeTrend(serviceId: ID!, duration: Duration!): ResponseTimeTrend
     getServiceTPSTrend(serviceId: ID!, duration: Duration!): ThroughputTrend
     getServiceSLATrend(serviceId: ID!, duration: Duration!): SLATrend