diff --git a/source/component/menubar.py b/source/component/menubar.py
index 808cff4..4cb2e32 100755
--- a/source/component/menubar.py
+++ b/source/component/menubar.py
@@ -271,6 +271,8 @@ class MenuBar():
 
     def increaseSunValue(self, value):
         self.sun_value += value
+        if self.sun_value > 9990:
+            self.sun_value = 9990
 
     def setCardFrozenTime(self, plant_name):
         for card in self.card_list: