diff --git a/src/models/DOStage.ts b/src/models/DOStage.ts
index 9c9dd0e..0a624d3 100644
--- a/src/models/DOStage.ts
+++ b/src/models/DOStage.ts
@@ -36,8 +36,8 @@ export class DOStage {
     this.numberToLetter.set(9, "i")
 
     const blockMap: Map<number, DataBlock> = new Map()
-    for (var i = 0; i < this.data.blocks.length; i++) {
-      var dataBlock = this.data.blocks[i]
+    for (let i = 0; i < this.data.blocks.length; i++) {
+      const dataBlock = this.data.blocks[i]
       blockMap.set(dataBlock.index, dataBlock)
     }
 
@@ -46,23 +46,24 @@ export class DOStage {
       console.log("levelStr error", this.data.difficulty, this.data.index, levelStr)
     }
     const list = new Map()
-    for (var i = 0; i < levelStr.length; i++) {
+    for (let i = 0; i < levelStr.length; i++) {
       const letter = levelStr[i]
       if (this.letterToNumber.has(letter)) { // 预设格子 使用配置文件初始化
-        var show = this.letterToNumber.get(letter)
-        var dataBlock: DataBlock = { index: i, show, score: 0, notes: [] }
-        var doBlock = new DOBlock(dataBlock, true, show)
+        const show = this.letterToNumber.get(letter)
+        const dataBlock: DataBlock = { index: i, show, score: 0, notes: [] }
+        const doBlock = new DOBlock(dataBlock, true, show)
         this.blocks.push(doBlock)
       } else {
-        var show = this.letterToNumber.get(letter.toUpperCase())
-        var dataBlock = blockMap.get(i)
-        if (dataBlock) { // 本地有持久化数据
-          var doBlock = new DOBlock(dataBlock, false, show)
+        const show = this.letterToNumber.get(letter.toUpperCase())
+        if (blockMap.has(i)) { // 本地有持久化数据
+          const dataBlock = blockMap.get(i)
+          const doBlock = new DOBlock(dataBlock, false, show)
           this.blocks.push(doBlock)
         } else {
-          dataBlock = { index: i, show: 0, score: 0, notes: [] }
+          const notes: Array<number> = []
+          const dataBlock = { index: i, show: 0, score: 0, notes }
           this.data.blocks.push(dataBlock)
-          var doBlock = new DOBlock(dataBlock, false, show)
+          const doBlock = new DOBlock(dataBlock, false, show)
           this.blocks.push(doBlock)
         }
 
diff --git a/src/models/StorageManager.ts b/src/models/StorageManager.ts
index 7b7971d..2c432e5 100644
--- a/src/models/StorageManager.ts
+++ b/src/models/StorageManager.ts
@@ -90,13 +90,13 @@ export class StorageManager {
 
   public getStage(stageID: string): DOStage { // 获取指定关卡数据对象，注意判空
     if (this.stageMap.has(stageID)) {
-      var doStage: DOStage = this.stageMap.get(stageID)
+      const doStage: DOStage = this.stageMap.get(stageID)
       return doStage
     } else {
       const jsonStr = Laya.LocalStorage.getItem(stageID)
       if (jsonStr) {
         const dataStage: DataStage = JSON.parse(jsonStr)
-        var doStage: DOStage = new DOStage(dataStage)
+        const doStage: DOStage = new DOStage(dataStage)
         this.stageMap.set(stageID, doStage)
         return doStage
       }
diff --git a/src/models/UIManager.ts b/src/models/UIManager.ts
index b69e25d..1e8edb1 100644
--- a/src/models/UIManager.ts
+++ b/src/models/UIManager.ts
@@ -13,7 +13,7 @@ import { Stage } from "../views/Stage"
 import { TopBar } from "../views/TopBar"
 import { StorageManager } from "./StorageManager"
 
-const { regClass, property } = Laya
+const { regClass } = Laya
 
 @regClass()
 export class UIManager extends Laya.Script {
diff --git a/src/utils/utility.ts b/src/utils/utility.ts
index 1500b48..b3c51ef 100644
--- a/src/utils/utility.ts
+++ b/src/utils/utility.ts
@@ -1,12 +1,12 @@
 import { config } from "../constants/config"
 
-export function Utility_ConvertSecondToString(second: number) {
-  let last = second
+export function Utility_ConvertSecondToString(seconds: number) {
+  let last = seconds
   const hour = Math.floor(last / 3600)
   last = last - hour * 3600
   const minite = Math.floor(last / 60)
   last = last - minite * 60
-  var second = Math.floor(last)
+  const second = Math.floor(last)
   function format(value: number) {
     return value >= 10 ? value.toString() : (`0${value}`)
   }
diff --git a/src/views/Block.ts b/src/views/Block.ts
index 46b2b3a..6a6e324 100644
--- a/src/views/Block.ts
+++ b/src/views/Block.ts
@@ -35,9 +35,9 @@ export class Block extends Laya.Script {
     this.YGroup = YGroup
 
     let VBox = this.owner.getChildByName("VBox")
-    for (var i = 0; i < VBox.numChildren; i++) {
-      var hbox = VBox.getChildAt(i)
-      for (var j = 0; j < hbox.numChildren; j++) {
+    for (let i = 0; i < VBox.numChildren; i++) {
+      const hbox = VBox.getChildAt(i)
+      for (let j = 0; j < hbox.numChildren; j++) {
         const sp = hbox.getChildAt(j) as Laya.Sprite
         this.tips_bgs.push(sp)
       }
@@ -45,9 +45,9 @@ export class Block extends Laya.Script {
     this.label_show = label_obj.getChildByName("label_show") as Laya.Label
     // this.label_show.text = XGroup + "" + YGroup
     VBox = label_obj.getChildByName("VBox")
-    for (var i = 0; i < VBox.numChildren; i++) {
-      var hbox = VBox.getChildAt(i)
-      for (var j = 0; j < hbox.numChildren; j++) {
+    for (let i = 0; i < VBox.numChildren; i++) {
+      const hbox = VBox.getChildAt(i)
+      for (let j = 0; j < hbox.numChildren; j++) {
         const Label = hbox.getChildAt(j) as Laya.Label
         Label.text = ""
         this.tips_labels.push(Label)
@@ -101,14 +101,14 @@ export class Block extends Laya.Script {
     if (config.H_SCREEN)
       blockSize = 30
     if (visible) {
-      var obj = this.tips_bgs[noteNumber - 1]
+      const obj = this.tips_bgs[noteNumber - 1]
       obj.visible = true
       obj.graphics.clear()
       obj.graphics.drawRect(0, 0, blockSize, blockSize, color)
       obj.alpha = alpha
     } else {
       for (let i = 0; i < this.tips_bgs.length; i++) {
-        var obj = this.tips_bgs[i]
+        const obj = this.tips_bgs[i]
         obj.visible = false
       }
     }
@@ -164,7 +164,7 @@ export class Block extends Laya.Script {
     // 设置文字颜色
     if (this.selected) {
       this.label_show.color = "#ffffff"
-      for (var i = 0; i < this.tips_labels.length; i++) {
+      for (let i = 0; i < this.tips_labels.length; i++) {
         this.tips_labels[i].color = "#ffffff"
       }
     } else {
@@ -177,12 +177,12 @@ export class Block extends Laya.Script {
       } else {
         this.label_show.color = "#cb3256"
       }
-      for (var i = 0; i < this.tips_labels.length; i++) {
+      for (let i = 0; i < this.tips_labels.length; i++) {
         this.tips_labels[i].color = "#2d3138"
       }
     }
 
-    for (var i = 0; i < this.tips_labels.length; i++) {
+    for (let i = 0; i < this.tips_labels.length; i++) {
       this.tips_labels[i].text = ""
     }
     if (this.data.get_show() > 0) {
@@ -190,7 +190,7 @@ export class Block extends Laya.Script {
     } else {
       this.label_show.text = ""
       const note_numbers = this.data.get_notes()
-      for (var i = 0; i < note_numbers.length; i++) {
+      for (let i = 0; i < note_numbers.length; i++) {
         const value = note_numbers[i]
         const label = this.tips_labels[value - 1]
         label.text = value.toString()
diff --git a/src/views/Candy.ts b/src/views/Candy.ts
index 1aa7442..f02cdeb 100644
--- a/src/views/Candy.ts
+++ b/src/views/Candy.ts
@@ -1,4 +1,4 @@
-const { regClass, property } = Laya
+const { regClass } = Laya
 
 @regClass()
 export class Candy extends Laya.Script {
diff --git a/src/views/GameDone.ts b/src/views/GameDone.ts
index cbf8151..580491f 100644
--- a/src/views/GameDone.ts
+++ b/src/views/GameDone.ts
@@ -39,7 +39,7 @@ export class GameDone extends Laya.Script {
     this.label_time.text = Utility_ConvertSecondToString(doStage.get_duration())
     this.label_score.text = doStage.get_score().toString()
 
-    this.btn_new.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_new.on(Laya.Event.CLICK, this, () => {
       if (config.H_SCREEN) {
         const user = StorageManager.getInstance().getUser()
         user.update_progress(doStage.get_difficulty(), doStage.get_stageIndex() + 1)// 主线关卡更新难度进度
@@ -60,13 +60,13 @@ export class GameDone extends Laya.Script {
       }
     })
 
-    this.btn_continue.on(Laya.Event.CLICK, this, (evt: Laya.Event) => { // 这个按钮只有从DC来的会显示
+    this.btn_continue.on(Laya.Event.CLICK, this, () => { // 这个按钮只有从DC来的会显示
       UIManager.getInstance().loadDCUI()
       UIManager.getInstance().closeStageUI()
       this.owner.destroy()
     })
 
-    this.btn_home.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_home.on(Laya.Event.CLICK, this, () => {
       if (config.H_SCREEN) {
         UIManager.getInstance().closeDCUI()
         if (doStage.get_stageType() === config.STAGE_TYPE.MAIN) {
diff --git a/src/views/GameOver.ts b/src/views/GameOver.ts
index 1f3cef8..d3a5fd1 100644
--- a/src/views/GameOver.ts
+++ b/src/views/GameOver.ts
@@ -25,13 +25,13 @@ export class GameOver extends Laya.Script {
   public label_newOrClose: Laya.Label
 
   public onSetStageInfo(doStage: DOStage): void {
-    this.btn_second.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_second.on(Laya.Event.CLICK, this, () => {
       doStage.set_mistake(doStage.get_mistake() - 1)
       EventManager.getInstance().DispatchEvent(EVENT_TYPES.NOT_UPDATE_MISTAKE)
       this.owner.destroy()
     })
 
-    this.btn_restart.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_restart.on(Laya.Event.CLICK, this, () => {
       const stageID = doStage.get_stageID()
       const type = doStage.get_stageType()
       const difficulty = doStage.get_difficulty()
@@ -43,7 +43,7 @@ export class GameOver extends Laya.Script {
     const type = doStage.get_stageType()
     if (type === config.STAGE_TYPE.MAIN) {
       this.label_newOrClose.text = "New Game"
-      this.btn_newOrClose.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+      this.btn_newOrClose.on(Laya.Event.CLICK, this, () => {
         if (config.H_SCREEN) {
           const user = StorageManager.getInstance().getUser()
           user.update_progress(doStage.get_difficulty(), doStage.get_stageIndex() + 1)// 主线关卡更新难度进度
@@ -66,7 +66,7 @@ export class GameOver extends Laya.Script {
       })
     } else {
       this.label_newOrClose.text = "Close"
-      this.btn_newOrClose.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+      this.btn_newOrClose.on(Laya.Event.CLICK, this, () => {
         UIManager.getInstance().loadDCUI()
         UIManager.getInstance().closeStageUI()
         this.owner.destroy()
diff --git a/src/views/GamePause.ts b/src/views/GamePause.ts
index 873ecfd..713935d 100644
--- a/src/views/GamePause.ts
+++ b/src/views/GamePause.ts
@@ -32,12 +32,12 @@ export class GamePause extends Laya.Script {
     this.label_diffucuty.text = doStage.get_difficulty()
 
     EventManager.getInstance().DispatchEvent(EVENT_TYPES.NOT_UPDATE_PAUSE, true)
-    this.btn_continue.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_continue.on(Laya.Event.CLICK, this, () => {
       EventManager.getInstance().DispatchEvent(EVENT_TYPES.NOT_UPDATE_PAUSE, false)
       this.owner.destroy()
     })
 
-    this.btn_restart.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_restart.on(Laya.Event.CLICK, this, () => {
       const stageID = doStage.get_stageID()
       const type = doStage.get_stageType()
       const difficulty = doStage.get_difficulty()
diff --git a/src/views/Home.ts b/src/views/Home.ts
index 1c3e283..dbb533f 100644
--- a/src/views/Home.ts
+++ b/src/views/Home.ts
@@ -47,7 +47,7 @@ export class Home extends Laya.Script {
 
   // 组件被激活后执行，此时所有节点和组件均已创建完毕，此方法只执行一次
   onAwake(): void {
-    var user = StorageManager.getInstance().getUser()
+    const user = StorageManager.getInstance().getUser()
     const now = new Date()
     const nowYear = now.getFullYear()
     const nowMonth = now.getMonth() + 1
@@ -104,11 +104,11 @@ export class Home extends Laya.Script {
 
     this.btn_new_blue.on(Laya.Event.CLICK, this, this.onClickNew)
     this.btn_new_white.on(Laya.Event.CLICK, this, this.onClickNew)
-    this.btn_go.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_go.on(Laya.Event.CLICK, this, () => {
       UIManager.getInstance().loadStageUI(config.DEFAULT_STAGE_ID)
       this.owner.destroy()
     })
-    var user = StorageManager.getInstance().getUser()
+
     if (user.get_done(config.DEFAULT_STAGE_ID) >= 1) {
       console.log("当前主线关卡完成")
       this.btn_new_blue.visible = true
@@ -149,7 +149,7 @@ export class Home extends Laya.Script {
     // ======
   }
 
-  public onClickNew(evt: Laya.Event): void {
+  public onClickNew(_evt: Laya.Event): void {
     Laya.loader.load(respath.difficulty_ui_res).then((go) => {
       const prefab = go.create()
       const d = UIManager.getInstance().getUIRoot().addChild(prefab).getComponent(Difficulty)
diff --git a/src/views/Stage.ts b/src/views/Stage.ts
index 57c3669..99b2dc7 100644
--- a/src/views/Stage.ts
+++ b/src/views/Stage.ts
@@ -104,10 +104,10 @@ export class Stage extends Laya.Script {
     this.btn_pause.on(Laya.Event.CLICK, this, () => {
       UIManager.getInstance().loadGamePauseUI(this.data)
     })
-    for (var i = 0; i < this.obj_blocks.numChildren; i++) {
-      var hbox = this.obj_blocks.getChildAt(i)
-      var l_hbox = this.obj_block_labels.getChildAt(i)
-      for (var j = 0; j < hbox.numChildren; j++) {
+    for (let i = 0; i < this.obj_blocks.numChildren; i++) {
+      const hbox = this.obj_blocks.getChildAt(i)
+      const l_hbox = this.obj_block_labels.getChildAt(i)
+      for (let j = 0; j < hbox.numChildren; j++) {
         const block = hbox.getChildAt(j).getComponent(Block)
         this.blocks.push(block)
         let XGroup = 0
@@ -124,10 +124,10 @@ export class Stage extends Laya.Script {
         block.onInit(j, i, XGroup, YGroup, l_vbox, this, this.onClickBlock)
       }
     }
-    for (var i = 0; i < this.obj_candys.numChildren; i++) {
-      hbox = this.obj_candys.getChildAt(i)
-      l_hbox = this.obj_candy_labels.getChildAt(i)
-      for (var j = 0; j < hbox.numChildren; j++) {
+    for (let i = 0; i < this.obj_candys.numChildren; i++) {
+      const hbox = this.obj_candys.getChildAt(i)
+      const l_hbox = this.obj_candy_labels.getChildAt(i)
+      for (let j = 0; j < hbox.numChildren; j++) {
         const candy = hbox.getChildAt(j).getComponent(Candy)
         this.candys.push(candy)
         const box = l_hbox.getChildAt(j) as Laya.Box
@@ -155,7 +155,7 @@ export class Stage extends Laya.Script {
     EventManager.getInstance().UnregisterEvent(EVENT_TYPES.NOT_UPDATE_PAUSE, Stage.EventUpdatePause)
   }
 
-  public static EventUpdateMistake(arg: any): void {
+  public static EventUpdateMistake(): void {
     if (Stage._instance) {
       Stage._instance.onUpdateMistake()
     }
@@ -258,33 +258,33 @@ export class Stage extends Laya.Script {
 
   onSetBlock(block: Block, animated: boolean = false): void {
     // 全部格子还原
-    for (var i = 0; i < this.blocks.length; i++) {
+    for (let i = 0; i < this.blocks.length; i++) {
       this.blocks[i].setBlockColor(config.BLOCK_COLOR.WHITE)
       this.blocks[i].setTipsBgColor(false)
     }
     // 相关格子置灰
     const relateds = this.findRelatedBlocks(block)
-    for (var i = 0; i < relateds.length; i++)
+    for (let i = 0; i < relateds.length; i++)
       relateds[i].setBlockColor(config.BLOCK_COLOR.GREY)
 
     // 选中空白格子
     if (block.getData().get_show() <= 0) {
       block.setBlockColor(config.BLOCK_COLOR.BLUE)
     } else {
-      var sames = this.findSameNumberBlocks(block)// 相同数字的格子
-      for (var i = 0; i < sames.length; i++) {
-        sames[i].setBlockColor(config.BLOCK_COLOR.BLUE, 0.4)
+      const sameNumbers = this.findSameNumberBlocks(block)// 相同数字的格子
+      for (let i = 0; i < sameNumbers.length; i++) {
+        sameNumbers[i].setBlockColor(config.BLOCK_COLOR.BLUE, 0.4)
       }
-      var sames = this.findSameNoteBlocks(block)// 相同数字的铅笔格子
-      for (var i = 0; i < sames.length; i++) {
-        sames[i].setTipsBgColor(true, block.getData().get_show(), config.BLOCK_COLOR.BLUE, 0.4)
+      const sameNotes = this.findSameNoteBlocks(block)// 相同数字的铅笔格子
+      for (let i = 0; i < sameNotes.length; i++) {
+        sameNotes[i].setTipsBgColor(true, block.getData().get_show(), config.BLOCK_COLOR.BLUE, 0.4)
       }
       // 正确
       if (block.getData().get_checked()) {
         block.setBlockColor(config.BLOCK_COLOR.BLUE)
       } else { // 错误
         if (animated) { // 填数状态播放闪动效果
-          for (var i = 0; i < relateds.length; i++) { // 相关且数字相同
+          for (let i = 0; i < relateds.length; i++) { // 相关且数字相同
             if (relateds[i].getData().get_show() === block.getData().get_show()) { // 播放变红动效
               if (relateds[i].getData().get_index() !== block.getData().get_index()) {
                 // relateds[i].setBlockColor(config.BLOCK_COLOR.WHITE)
@@ -293,7 +293,7 @@ export class Stage extends Laya.Script {
             }
           }
         } else {
-          for (var i = 0; i < relateds.length; i++) { // 相关且数字相同
+          for (let i = 0; i < relateds.length; i++) { // 相关且数字相同
             if (relateds[i].getData().get_show() === block.getData().get_show()) { // 直接变红
               if (relateds[i].getData().get_index() !== block.getData().get_index()) {
                 relateds[i].setBlockColor(config.BLOCK_COLOR.RED, 0.4)
@@ -319,7 +319,7 @@ export class Stage extends Laya.Script {
     this.onApplyBlock(block)
   }
 
-  onClickUndo(evt: Laya.Event): void {
+  onClickUndo(): void {
     const undo = this.data.pop_undo()
     if (undo) {
       console.log("onClickUndo>>>>", JSON.stringify(undo))
@@ -341,7 +341,7 @@ export class Stage extends Laya.Script {
     }
   }
 
-  onClickErase(evt: Laya.Event): void {
+  onClickErase(): void {
     if (this.selectedBlock.getData().get_checked() === false) { // 未完成且有数字或者笔记才可以使用橡皮
       const show = this.selectedBlock.getData().get_show()
       const notes = this.selectedBlock.getData().get_notes()
@@ -366,18 +366,18 @@ export class Stage extends Laya.Script {
     }
   }
 
-  onClickHint(evt: Laya.Event): void {
+  onClickHint(): void {
     const hint = this.data.get_hint()
     if (hint > 0) {
       if (this.selectedBlock.getData().get_checked() === false) { // 当前选中的格子没有完成
-        var correct = this.selectedBlock.getData().get_correct()
+        const correct = this.selectedBlock.getData().get_correct()
         this.onApplyCandy(correct, true)
         this.data.set_hint(hint - 1)
         this.onUpdateHintStatus()
       } else {
         const list: Array<Block> = []
         for (let i = 0; i < this.blocks.length; i++) {
-          var block = this.blocks[i]
+          const block = this.blocks[i]
           if (block.getData().get_checked() === false)
             list.push(block)
         }
@@ -386,9 +386,9 @@ export class Stage extends Laya.Script {
           let index = Math.round(random * list.length)
           if (index >= list.length)
             index = list.length - 1
-          var block = list[index]
+          const block = list[index]
           this.onApplyBlock(block)
-          var correct = block.getData().get_correct()
+          const correct = block.getData().get_correct()
           this.onApplyCandy(correct, true)
           this.data.set_hint(hint - 1)
           this.onUpdateHintStatus()
@@ -415,7 +415,7 @@ export class Stage extends Laya.Script {
       if (this.data.get_note_open() && hint === false) {
         const relateds = this.findRelatedBlocks(this.selectedBlock)
         let find = false
-        for (var i = 0; i < relateds.length; i++) {
+        for (let i = 0; i < relateds.length; i++) {
           if (relateds[i].getData().get_show() === showNumber) {
             find = true
             break
@@ -426,7 +426,7 @@ export class Stage extends Laya.Script {
           this.selectedBlock.addNoteNumber(showNumber)
           this.onSetBlock(this.selectedBlock)
         } else {
-          for (var i = 0; i < relateds.length; i++) {
+          for (let i = 0; i < relateds.length; i++) {
             const obj = relateds[i]
             if (obj.getData().get_show() === showNumber && obj.getData().get_index() !== this.selectedBlock.getData().get_index()) {
               obj.setFadeAnimation()
@@ -453,7 +453,7 @@ export class Stage extends Laya.Script {
             let all = 0
             let finished = 0
             const blocks = this.data.get_blocks()
-            for (var i = 0; i < blocks.length; i++) {
+            for (let i = 0; i < blocks.length; i++) {
               if (blocks[i].get_preset() === false) {
                 all++
                 if (blocks[i].get_checked()) {
@@ -519,16 +519,16 @@ export class Stage extends Laya.Script {
 
   onUpdateCandys(): void {
     const list: Map<number, number> = new Map()
-    for (var i = 1; i <= 9; i++)
+    for (let i = 1; i <= 9; i++)
       list.set(i, 0)
-    for (var i = 0; i < this.blocks.length; i++) {
+    for (let i = 0; i < this.blocks.length; i++) {
       const block = this.blocks[i]
       if (block.getData().get_checked() === false) {
         const correct = block.getData().get_correct()
         list.set(correct, list.get(correct) + 1)
       }
     }
-    for (var i = 0; i < this.candys.length; i++) {
+    for (let i = 0; i < this.candys.length; i++) {
       const candy = this.candys[i]
       const show = i + 1
       const left = list.get(show)
diff --git a/src/views/TopBar.ts b/src/views/TopBar.ts
index 3d613e5..439ffca 100644
--- a/src/views/TopBar.ts
+++ b/src/views/TopBar.ts
@@ -140,7 +140,7 @@ export class TopBar extends Laya.Script {
   }
 
   updateDifficulty(difficulty: string): void {
-    this.items.forEach((label: Laya.Label, key: string) => {
+    this.items.forEach((label: Laya.Label) => {
       label.color = "#0e2a53"
     })
     const label = this.items.get(difficulty)
diff --git a/src/views/dc/CalendarUnit.ts b/src/views/dc/CalendarUnit.ts
index 3cb3fa3..58594f9 100644
--- a/src/views/dc/CalendarUnit.ts
+++ b/src/views/dc/CalendarUnit.ts
@@ -72,7 +72,7 @@ export class CalendarUnit extends Laya.Script {
     } else {
       this.label_show.text = this.day.toString()
       this.label_show.color = "#d3d5db"
-      this.owner.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+      this.owner.on(Laya.Event.CLICK, this, () => {
 
       })
       this.obj_selected.visible = false
diff --git a/src/views/dc/DailyChallenge.ts b/src/views/dc/DailyChallenge.ts
index 29903b8..1e18751 100644
--- a/src/views/dc/DailyChallenge.ts
+++ b/src/views/dc/DailyChallenge.ts
@@ -97,7 +97,7 @@ export class DailyChallenge extends Laya.Script {
       UIManager.getInstance().loadTrophyUI()
     })
 
-    this.btn_play.on(Laya.Event.CLICK, this, (evt: Laya.Event) => {
+    this.btn_play.on(Laya.Event.CLICK, this, () => {
       // console.log(">>>>>>>>>>>>>>>>>>>>>>>", this.selectedUnit.day)
       const now = new Date()
       const year = now.getFullYear()
@@ -114,7 +114,7 @@ export class DailyChallenge extends Laya.Script {
       this.owner.destroy()
     })
 
-    for (var i = 0; i < this.obj_items.numChildren; i++) {
+    for (let i = 0; i < this.obj_items.numChildren; i++) {
       const hbox = this.obj_items.getChildAt(i)
       const l_hbox = this.obj_labels.getChildAt(i)
       for (let j = 0; j < hbox.numChildren; j++) {
@@ -129,7 +129,7 @@ export class DailyChallenge extends Laya.Script {
     const now = new Date()
     const nowYear = now.getFullYear()
     const nowMonth = now.getMonth() + 1
-    for (var i = 0; i < MONTH_LIST.length; i++) {
+    for (let i = 0; i < MONTH_LIST.length; i++) {
       const obj = MONTH_LIST[i]
       if (nowYear === obj.year && nowMonth === obj.month) {
         this.indexMax = i
@@ -261,14 +261,14 @@ export class DailyChallenge extends Laya.Script {
     if (progress >= 1) {
       this.btn_play.visible = false
       this.obj_summary.visible = true
-      var doStage = StorageManager.getInstance().getStage(stageID)
+      const doStage = StorageManager.getInstance().getStage(stageID)
       this.label_diffucuty.text = doStage.get_difficulty()
       this.label_score.text = doStage.get_score().toString()
       this.label_time.text = Utility_ConvertSecondToString(doStage.get_duration())
     } else {
       this.btn_play.visible = true
       this.obj_summary.visible = false
-      var doStage = StorageManager.getInstance().getStage(stageID)
+      const doStage = StorageManager.getInstance().getStage(stageID)
       if (doStage) {
         this.label_play.text = "Continue"
       } else {
diff --git a/src/views/dc/TrophyRoom.ts b/src/views/dc/TrophyRoom.ts
index 4974a1e..b32b2fb 100644
--- a/src/views/dc/TrophyRoom.ts
+++ b/src/views/dc/TrophyRoom.ts
@@ -31,8 +31,8 @@ export class TrophyRoom extends Laya.Script {
     const now = new Date()
     const nowYear = now.getFullYear()
     const nowMonth = now.getMonth() + 1
-    for (var i = 0; i < MONTH_LIST.length; i++) {
-      var obj = MONTH_LIST[i]
+    for (let i = 0; i < MONTH_LIST.length; i++) {
+      const obj = MONTH_LIST[i]
       infos.push(obj)
       if (obj.year === nowYear && obj.month === nowMonth) {
         break
@@ -42,8 +42,8 @@ export class TrophyRoom extends Laya.Script {
 
     const years: Array<number> = []
     const monthMap: Map<number, Array<any>> = new Map()
-    for (var i = 0; i < infos.length; i++) {
-      obj = infos[i]
+    for (let i = 0; i < infos.length; i++) {
+      const obj = infos[i]
       const find = years.indexOf(obj.year)
       if (find < 0) {
         years.push(obj.year)