diff --git a/handler/real_time_data_subscription.go b/handler/real_time_data_subscription.go
index 7faa3cd..f0f435b 100644
--- a/handler/real_time_data_subscription.go
+++ b/handler/real_time_data_subscription.go
@@ -383,6 +383,9 @@ func mergeMeasurementsForStart(config *RealTimeSubConfig, newMeasurements map[st
 				config.measurements[interval] = existingMeas
 				maps.Copy(config.targetContext, newMeasurementsContextMap)
 			}
+		} else {
+			config.measurements[interval] = newMeas
+			maps.Copy(config.targetContext, newMeasurementsContextMap)
 		}
 	}
 	return allDuplicates
diff --git a/router/component.go b/router/component.go
new file mode 100644
index 0000000..76bad8a
--- /dev/null
+++ b/router/component.go
@@ -0,0 +1,14 @@
+// Package router provides router config
+package router
+
+import (
+	"modelRT/handler"
+
+	"github.com/gin-gonic/gin"
+)
+
+// registerComponentRoutes define func of register component routes
+func registerComponentRoutes(rg *gin.RouterGroup) {
+	g := rg.Group("/component/")
+	g.POST("attribute/update", handler.ComponentAttributeUpdateHandler)
+}
diff --git a/router/router.go b/router/router.go
index d91f7a2..f785202 100644
--- a/router/router.go
+++ b/router/router.go
@@ -26,4 +26,5 @@ func RegisterRoutes(engine *gin.Engine, clientToken string) {
 	registerMeasurementRoutes(routeGroup, middleware.SetTokenMiddleware(clientToken), measurementLimiter.Middleware)
 	registerDataRoutes(routeGroup)
 	registerMonitorRoutes(routeGroup)
+	registerComponentRoutes(routeGroup)
 }