diff --git a/lua/app/ui/arena/arena_match_ui.lua b/lua/app/ui/arena/arena_match_ui.lua
index a6f4ef82..139b6e21 100644
--- a/lua/app/ui/arena/arena_match_ui.lua
+++ b/lua/app/ui/arena/arena_match_ui.lua
@@ -247,12 +247,16 @@ function ArenaMatchUI:onClickRematch()
 			end)
 		else
 			-- 钻石
+			local cost = DataManager.ArenaData:getRematchConstGem()
 			local params ={
-				content = I18N:getGlobalText(I18N.GlobalConst.ARENA_DESC_25, DataManager.ArenaData:getRematchConstGem()),
+				content = I18N:getGlobalText(I18N.GlobalConst.ARENA_DESC_25, cost),
 				boxType = GConst.MESSAGE_BOX_TYPE.MB_OK_CANCEL,
 				costId = GConst.ItemConst.ITEM_ID_GEM,
-				costNum = DataManager.ArenaData:getRematchConstGem(),
+				costNum = cost,
 				okFunc = function()
+					if not GFunc.checkCost(GConst.ItemConst.ITEM_ID_GEM, cost, true) then
+						return
+					end
 					ModuleManager.ArenaManager:reqOverCD(false)
 					self:showMatchLoading()
 				end,
diff --git a/lua/app/ui/battle/battle_result_ui.lua b/lua/app/ui/battle/battle_result_ui.lua
index a5032e39..d6984ada 100644
--- a/lua/app/ui/battle/battle_result_ui.lua
+++ b/lua/app/ui/battle/battle_result_ui.lua
@@ -251,14 +251,21 @@ function BattleResultUI:refreshArenaNode()
         function(value)
             local maxScore = DataManager.ArenaData:getGradingScoreTotal(value)
             local curScore = DataManager.ArenaData:getGradingScore(value)
-            self.arenaImgProp.value = curScore/maxScore
-            self.arenaTxProg:setText(math.floor(curScore).."/"..maxScore)
+            if maxScore then
+                self.arenaImgProp.value = curScore/maxScore
+                self.arenaTxProg:setText(math.floor(curScore).."/"..maxScore)
+            else
+                self.arenaImgProp.value = 1
+                self.arenaTxProg:setText(math.floor(curScore))
+            end
         end,
         totalScore, 1.5)
     self.arenaSequence:Append(tween)
     self.arenaSequence:AppendCallback(function()
         self.arenaTxGrading:setText(DataManager.ArenaData:getGradingName(curId))
-        self:refreshArenaGradingSpine(curId)
+        if lastId ~= curId then
+            self:refreshArenaGradingSpine(curId)
+        end
         self.arenaSequence = nil
     end)
 
diff --git a/lua/app/ui/main_city/component/arena_comp.lua b/lua/app/ui/main_city/component/arena_comp.lua
index ce5f5852..4ff53233 100644
--- a/lua/app/ui/main_city/component/arena_comp.lua
+++ b/lua/app/ui/main_city/component/arena_comp.lua
@@ -147,8 +147,13 @@ function ArenaComp:refreshShow()
     local gradingNumName = DataManager.ArenaData:getGradingNumName(gradingId)
     self.txSeason:setText(I18N:getGlobalText(I18N.GlobalConst.ARENA_DESC_3, DataManager.ArenaData:getSeason()))
     self.txGarding:setText(DataManager.ArenaData:getGradingName(gradingId))
-    self.txProg:setText(curScore.."/"..maxScore)
-    self.imgProg:getComponent(GConst.TYPEOF_UNITY_CLASS.BF_SLIDER).value = curScore/maxScore
+    if maxScore then
+        self.txProg:setText(curScore.."/"..maxScore)
+        self.imgProg:getComponent(GConst.TYPEOF_UNITY_CLASS.BF_SLIDER).value = curScore/maxScore
+    else
+        self.txProg:setText(curScore)
+        self.imgProg:getComponent(GConst.TYPEOF_UNITY_CLASS.BF_SLIDER).value = 1
+    end
 
     if self.spineGrading then
 		self.spineGrading:destroy()
diff --git a/lua/app/ui/main_city/component/main_comp.lua b/lua/app/ui/main_city/component/main_comp.lua
index 470c4e42..3aa679ef 100644
--- a/lua/app/ui/main_city/component/main_comp.lua
+++ b/lua/app/ui/main_city/component/main_comp.lua
@@ -75,6 +75,9 @@ function MainComp:refreshModule(selectModule)
 			end
 		elseif self.curModuleType == GConst.MainCityConst.MAIN_MODULE.DUNGEON then
 			-- 切换到活动副本
+		elseif self.curModuleType == GConst.MainCityConst.MAIN_MODULE.ARENA then
+			-- 切换到竞技场
+			ModuleManager.ArenaManager:reqArenaInfo()
 		end
 		self:refreshHeroFormationVisible()
 		EventManager:dispatchEvent(EventManager.CUSTOM_EVENT.CHANGE_MAIN_COMP_MODULE, self.curModuleType)
diff --git a/lua/app/userdata/arena/arena_data.lua b/lua/app/userdata/arena/arena_data.lua
index 7baa8e23..fa3ccd94 100644
--- a/lua/app/userdata/arena/arena_data.lua
+++ b/lua/app/userdata/arena/arena_data.lua
@@ -221,7 +221,11 @@ end
 function ArenaData:getGradingScoreTotal(score)
     local max = self:getGradingMaxScore(score)
     local min = self:getGradingMinScore(score)
-    return max - min
+    if max and min then
+        return max - min
+    else
+        return nil
+    end
 end
 
 -- 获取段位图标名（大段位区分）