diff --git a/lua/app/ui/main_city/component/main_comp.lua b/lua/app/ui/main_city/component/main_comp.lua
index 230e284f..0da3cb6a 100644
--- a/lua/app/ui/main_city/component/main_comp.lua
+++ b/lua/app/ui/main_city/component/main_comp.lua
@@ -2,6 +2,8 @@ local MainComp = class("MainComp", LuaComponent)
 local CHAPTER_COMP = "app/ui/main_city/component/chapter_comp"
 local DAILY_CHALLENGE_COMP = "app/ui/main_city/component/daily_challenge_comp"
 
+local BOTTOM_HEIGHT = 120
+
 function MainComp:init()
 	self.uiMap = self:getBaseObject():genAllChildren()
 
@@ -39,6 +41,11 @@ function MainComp:refreshModule(selectModule)
 	for idx, cell in pairs(self.moduleMap) do
 		cell:getBaseObject():setActive(self.curModuleType == idx)
 	end
+	local heroBg = self.uiMap["main_comp.hero_bg"]
+	local heroBgPosY = heroBg:fastGetAnchoredPositionY()
+	local sWidth, sHeight = GFunc.getUIExpandScreenSize()
+	local hSHeight = sHeight / 2
+	self.btnPosY = (heroBgPosY + (BOTTOM_HEIGHT / 2 - hSHeight)) / 2
 	self:refreshBtns()
 end
 
@@ -60,6 +67,7 @@ function MainComp:refreshFightBtn()
 	end
 
 	self.uiMap["main_comp.fight_btn"]:addClickListener(moduleCell.onClickFight)
+	self.uiMap["main_comp.fight_btn"]:setAnchoredPositionY(self.btnPosY)
 
 	local remainCount = moduleCell:getTodayRemainCount()
 	if remainCount >= 0 then
@@ -75,6 +83,7 @@ function MainComp:refreshLeftBtn()
 		self.leftBtn = self.uiMap["main_comp.left_btn"]
 	end
 	self.leftBtn:setActive(false)
+	self.leftBtn:setAnchoredPositionY(self.btnPosY)
 
 	local leftIdx = self:getCurLeftModuleIdx()
 	if leftIdx == nil then
@@ -104,6 +113,7 @@ function MainComp:refreshRightBtn()
 		self.rightBtn = self.uiMap["main_comp.right_btn"]
 	end
 	self.rightBtn:setActive(false)
+	self.rightBtn:setAnchoredPositionY(self.btnPosY)
 
 	local rightIdx = self:getCurRightModuleIdx()
 	if rightIdx == nil then