diff --git a/assets/seven_day_gift/SevenDayGift.ts b/assets/seven_day_gift/SevenDayGift.ts
index c342658..0ff3778 100644
--- a/assets/seven_day_gift/SevenDayGift.ts
+++ b/assets/seven_day_gift/SevenDayGift.ts
@@ -189,9 +189,7 @@ export default class SevenDayGift extends cc.Component {
         const claimed = !!(reward && reward.claimed);
         const available = !!this.info.canClaim && day === Number(this.info.nextRewardDay);
         const special = day === TOTAL_DAYS;
-        const cardFrame = claimed && !special
-            ? this.claimedOverlay
-            : special ? this.cardSpecial : available ? this.cardYellow : this.cardBlue;
+        const cardFrame = special ? this.cardSpecial : available ? this.cardYellow : this.cardBlue;
         this.setSprite(card, cardFrame);
         // 白色不改变贴图颜色，保留美术资源的原色。
         card.color = cc.Color.WHITE;
@@ -212,6 +210,20 @@ export default class SevenDayGift extends cc.Component {
         const items = reward && Array.isArray(reward.items) ? reward.items : [];
         this.refreshRewardItems(card, items, special, available || claimed);
 
+        // 保留原卡片，遮罩压暗日期和奖励，印章绘制在遮罩上方。
+        let overlay = card.getChildByName("claimedOverlay");
+        if (!overlay) {
+            overlay = new cc.Node("claimedOverlay");
+            const sprite = overlay.addComponent(cc.Sprite);
+            sprite.sizeMode = cc.Sprite.SizeMode.CUSTOM;
+            card.addChild(overlay);
+        }
+        this.setSprite(overlay, this.claimedOverlay);
+        overlay.setContentSize(card.width, card.height);
+        overlay.setPosition(0, 0);
+        overlay.zIndex = 9;
+        overlay.active = claimed;
+
         let badge = card.getChildByName("claimedBadge");
         if (!badge) {
             badge = new cc.Node("claimedBadge");