diff --git a/features/pm/performance.go b/features/pm/performance.go
index 265c8a41..28eb7a1b 100644
--- a/features/pm/performance.go
+++ b/features/pm/performance.go
@@ -240,6 +240,9 @@ func saveKPIDataC(kpiReport KpiReport, index int64) int64 {
 			item["value"] = 0
 			item["err"] = err.Error()
 		} else {
+			if *v.Unit == "%" && result > 100 {
+				result = 100
+			}
 			item["value"] = result
 		}
 		KpiValues = append(KpiValues, item)