diff --git a/modules/player/service/egg.go b/modules/player/service/egg.go
index 522a71bd..d3249367 100644
--- a/modules/player/service/egg.go
+++ b/modules/player/service/egg.go
@@ -154,7 +154,7 @@ func (s *EggService) GetEgg() *model.PetInfo {
 	shinycont := 0
 
 	if mpets != tt.CurEgg.MalePetID && mpets != tt.CurEgg.FeMalePetID {
-		shinycont = int(tt.CurEgg.EggID)
+		shinycont = int(tt.CurEgg.EggID) * int(tt.CurEgg.EggID)
 	}
 
 	if grand.Meet(shinycont, 100) {