diff --git a/xuan-deduct-uniapp/src/pages/mine/coins.vue b/xuan-deduct-uniapp/src/pages/mine/coins.vue
index 8de9df8..cfed6a0 100644
--- a/xuan-deduct-uniapp/src/pages/mine/coins.vue
+++ b/xuan-deduct-uniapp/src/pages/mine/coins.vue
@@ -115,10 +115,10 @@ export default {
   },
   computed: {
     todayReward() {
-      return this.getDayReward(this.streakDays % 7)
+      return this.getDayReward((this.streakDays - 1) % 7)
     },
     currentStreak() {
-      return this.streakDays % 7 || (this.streakDays > 0 ? 7 : 0)
+      return this.streakDays
     }
   },
   onShow() {
@@ -167,8 +167,14 @@ export default {
       
       this.weekDays = []
       for (let i = 0; i < 7; i++) {
+        // 计算每个位置对应的日期
+        // 第1个位置是签到开始的那天，第7个位置是签到的第7天
         const date = new Date(today)
-        date.setDate(today.getDate() - (this.currentStreak - 1 - i))
+        // 从今天往前推 (currentStreak - 1 - i) 天
+        // 如果 currentStreak = 3，则第1个位置是今天-2天，第2个位置是今天-1天，第3个位置是今天
+        // 第4-7个位置是今天+1到+4天
+        const offset = i - (this.currentStreak - 1)
+        date.setDate(today.getDate() + offset)
         
         this.weekDays.push({
           label: weekLabels[date.getDay()],
@@ -190,9 +196,15 @@ export default {
       yesterday.setDate(today.getDate() - 1)
       const yesterdayStr = this.formatDate(yesterday)
       
+      // 判断是否连续签到
       if (lastSignInStr === yesterdayStr) {
         this.streakDays++
+        // 超过7天，重置为第1天
+        if (this.streakDays > 7) {
+          this.streakDays = 1
+        }
       } else {
+        // 签到中断，重置为第1天
         this.streakDays = 1
       }