diff --git a/src/modules/network_data/model/perf_kpi.go b/src/modules/network_data/model/perf_kpi.go
index 5266e85c..a2a86fc3 100644
--- a/src/modules/network_data/model/perf_kpi.go
+++ b/src/modules/network_data/model/perf_kpi.go
@@ -18,7 +18,7 @@ type GoldKPIQuery struct {
 	StartTime string `form:"startTime" binding:"required"`
 	EndTime   string `form:"endTime" binding:"required"`
 	Interval  int64  `form:"interval" binding:"required,oneof=5 60 300 900 1800 3600"`
-	RmUID     string `form:"rmUID"`
+	RmUID     string `form:"rmUID"` // support multi rmUID, split by comma
 	SortField string `form:"sortField" binding:"omitempty,oneof=timeGroup"`
 	SortOrder string `form:"sortOrder" binding:"omitempty,oneof=asc desc"`
 }