Fix bug (#665)

plugins/analysis/dashboard/fpc_conflict.go

@@ -59,5 +59,5 @@ func (c conflict) finalizedRatio() float64 {
 
 // isOlderThan returns true if the conflict is older (i.e., last modified time) than the given duration.
 func (c conflict) isOlderThan(d time.Duration) bool {
-	return c.Modified.Add(d).After(time.Now())
+	return c.Modified.Add(d).Before(time.Now())
 }