diff --git a/src/views/TopBar.ts b/src/views/TopBar.ts
index 56e75bb..45acbe1 100644
--- a/src/views/TopBar.ts
+++ b/src/views/TopBar.ts
@@ -36,6 +36,7 @@ export class TopBar extends Laya.Script {
   @property(Laya.Box)
   public obj_items: Laya.Box
 
+  private item_sprites: Map<string, Laya.Sprite> = new Map()
   private item_labels: Map<string, Laya.Label> = new Map()
 
   onStart(): void {
@@ -81,6 +82,8 @@ export class TopBar extends Laya.Script {
       obj.on(Laya.Event.MOUSE_OVER, this, this.onOver)
       obj.on(Laya.Event.MOUSE_OUT, this, this.onOut)
       const value = config.DIFFICULTY_LIST[i]
+      const Sprite = obj.getChildByName("Sprite") as Laya.Sprite
+      this.item_sprites.set(value, Sprite)
       const label = obj.getChildByName("Label") as Laya.Label
       label.text = value
       this.item_labels.set(value, label)
@@ -142,6 +145,14 @@ export class TopBar extends Laya.Script {
   }
 
   updateDifficulty(difficulty: string): void {
+    this.item_sprites.forEach((sprite: Laya.Sprite) => {
+      sprite.graphics.clear()
+      sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#f5f7fb")
+    })
+    const sprite = this.item_sprites.get(difficulty)
+    sprite.graphics.clear()
+    sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#f5f7fb", "#1d5cdc", 5)
+
     this.item_labels.forEach((label: Laya.Label) => {
       label.color = "#0e2a53"
     })
@@ -150,18 +161,26 @@ export class TopBar extends Laya.Script {
   }
 
   onOver(evt: Laya.Event): void {
-    Laya.Render.canvas.style.cursor = "pointer"
+    const difficulty = Laya.LocalStorage.getItem("difficulty")
     const Box = evt.target as Laya.Box
-    const sprite = Box.getChildByName("Sprite") as Laya.Sprite
-    sprite.graphics.clear()
-    sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#0e2a53")
+    const common = Box.getComponent(CommonData)
+    if (common.strValue !== difficulty) {
+      Laya.Render.canvas.style.cursor = "pointer"
+      const sprite = Box.getChildByName("Sprite") as Laya.Sprite
+      sprite.graphics.clear()
+      sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#0e2a53")
+    }
   }
 
   onOut(evt: Laya.Event): void {
-    Laya.Render.canvas.style.cursor = ""
+    const difficulty = Laya.LocalStorage.getItem("difficulty")
     const Box = evt.target as Laya.Box
-    const sprite = Box.getChildByName("Sprite") as Laya.Sprite
-    sprite.graphics.clear()
-    sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#f5f7fb")
+    const common = Box.getComponent(CommonData)
+    if (common.strValue !== difficulty) {
+      Laya.Render.canvas.style.cursor = ""
+      const sprite = Box.getChildByName("Sprite") as Laya.Sprite
+      sprite.graphics.clear()
+      sprite.graphics.drawRoundRect(0, 0, sprite.width, sprite.height, 12, 12, 12, 12, "#f5f7fb")
+    }
   }
 }