diff --git a/modules/setting/setting.go b/modules/setting/setting.go
index eb0bab836..eb0e41c90 100755
--- a/modules/setting/setting.go
+++ b/modules/setting/setting.go
@@ -1295,7 +1295,7 @@ func SetRadarMapConfig() {
 
 	RadarMap.Impact = sec.Key("impact").MustFloat64(0.3)
 	RadarMap.ImpactWatch = sec.Key("impact_watch").MustFloat64(0.1)
-	RadarMap.ImpactStar = sec.Key("impact_star").MustFloat64(0.3)
+	RadarMap.ImpactStar = sec.Key("impact_star").MustFloat64(0.2)
 	RadarMap.ImpactFork = sec.Key("impact_fork").MustFloat64(0.3)
 	RadarMap.ImpactCodeDownload = sec.Key("impact_code_download").MustFloat64(0.2)
 	RadarMap.ImpactComments = sec.Key("impact_comments").MustFloat64(0.1)