diff --git a/backend/services/mining-admin-service/src/application/services/batch-mining.service.ts b/backend/services/mining-admin-service/src/application/services/batch-mining.service.ts
index 007537c6..c1291185 100644
--- a/backend/services/mining-admin-service/src/application/services/batch-mining.service.ts
+++ b/backend/services/mining-admin-service/src/application/services/batch-mining.service.ts
@@ -252,49 +252,81 @@ export class BatchMiningService {
   /**
    * 解析 Excel 文件数据
    * Excel 格式:
-   * 序号 | 注册ID | 认种量（棵）| 挖矿开始时间 | 批次 | 授权提前挖的天数 | 备注
+   * 用户ID | 认种数量 | 认种时间 | 挖矿开始时间 | 批次 | 授权提前挖的天数(可选)
+   *
+   * 注意：preMineDays (挖矿天数) 根据"挖矿开始时间"到今天自动计算
    */
   parseExcelData(rows: any[]): BatchMiningItem[] {
     this.logger.log(`[parseExcelData] 开始解析 Excel 数据, 总行数: ${rows.length}`);
     const items: BatchMiningItem[] = [];
+    const today = new Date();
+    today.setHours(0, 0, 0, 0);
 
     for (let i = 0; i < rows.length; i++) {
       const row = rows[i];
 
-      // 跳过标题行和汇总行
-      if (!row || typeof row[1] !== 'string' || row[1] === '注册ID' || row[1] === '合计') {
-        this.logger.debug(`[parseExcelData] 跳过行 ${i + 1}: 标题行或汇总行`);
+      // 跳过空行
+      if (!row || !row[0]) {
+        this.logger.debug(`[parseExcelData] 跳过行 ${i + 1}: 空行`);
         continue;
       }
 
-      // 跳过认种量为 0 或无效的行
-      const treeCount = parseInt(row[2], 10);
-      if (isNaN(treeCount) || treeCount <= 0) {
-        this.logger.debug(`[parseExcelData] 跳过行 ${i + 1}: 认种量无效 (${row[2]})`);
+      // 跳过标题行
+      const firstCell = String(row[0]).trim();
+      if (firstCell === '用户ID' || firstCell === '注册ID' || firstCell === '序号') {
+        this.logger.debug(`[parseExcelData] 跳过行 ${i + 1}: 标题行`);
         continue;
       }
 
-      // 确保注册 ID 格式正确（补全 D 前缀）
-      let accountSequence = String(row[1]);
+      // 获取用户ID (第一列)
+      let accountSequence = String(row[0]).trim();
       if (!accountSequence.startsWith('D')) {
         accountSequence = 'D' + accountSequence;
       }
 
-      const batch = parseInt(row[4], 10);
-      const preMineDays = parseInt(row[5], 10);
+      // 获取认种量 (第二列)
+      const treeCount = parseInt(row[1], 10);
+      if (isNaN(treeCount) || treeCount <= 0) {
+        this.logger.debug(`[parseExcelData] 跳过行 ${i + 1}: 认种量无效 (${row[1]})`);
+        continue;
+      }
 
-      if (isNaN(batch) || isNaN(preMineDays) || preMineDays <= 0) {
-        this.logger.warn(`[parseExcelData] 跳过行 ${i + 1}: 批次或提前天数无效 (batch=${row[4]}, preMineDays=${row[5]})`);
+      // 获取挖矿开始时间 (第四列，索引3)
+      const miningStartDateStr = String(row[3] || '').trim();
+      if (!miningStartDateStr) {
+        this.logger.warn(`[parseExcelData] 跳过行 ${i + 1}: 挖矿开始时间为空`);
+        continue;
+      }
+
+      // 解析挖矿开始时间 (格式: 2025.11.8 或 2025-11-08)
+      const miningStartDate = this.parseDate(miningStartDateStr);
+      if (!miningStartDate) {
+        this.logger.warn(`[parseExcelData] 跳过行 ${i + 1}: 挖矿开始时间格式无效 (${miningStartDateStr})`);
+        continue;
+      }
+
+      // 计算从挖矿开始到今天的天数
+      const diffTime = today.getTime() - miningStartDate.getTime();
+      const preMineDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
+      if (preMineDays <= 0) {
+        this.logger.warn(`[parseExcelData] 跳过行 ${i + 1}: 挖矿天数<=0 (开始日期: ${miningStartDateStr}, 天数: ${preMineDays})`);
+        continue;
+      }
+
+      // 获取批次 (第五列，索引4)
+      const batch = parseInt(row[4], 10);
+      if (isNaN(batch) || batch <= 0) {
+        this.logger.warn(`[parseExcelData] 跳过行 ${i + 1}: 批次无效 (${row[4]})`);
         continue;
       }
 
       items.push({
         accountSequence,
         treeCount,
-        miningStartDate: String(row[3] || ''),
+        miningStartDate: miningStartDateStr,
         batch,
         preMineDays,
-        remark: row[6] ? String(row[6]) : undefined,
+        remark: row[5] ? String(row[5]) : undefined,
       });
     }
 
@@ -306,4 +338,31 @@ export class BatchMiningService {
 
     return items;
   }
+
+  /**
+   * 解析日期字符串
+   * 支持格式: 2025.11.8, 2025-11-08, 2025/11/8
+   */
+  private parseDate(dateStr: string): Date | null {
+    // 尝试不同格式
+    const formats = [
+      /^(\d{4})\.(\d{1,2})\.(\d{1,2})$/,  // 2025.11.8
+      /^(\d{4})-(\d{1,2})-(\d{1,2})$/,    // 2025-11-08
+      /^(\d{4})\/(\d{1,2})\/(\d{1,2})$/,  // 2025/11/8
+    ];
+
+    for (const format of formats) {
+      const match = dateStr.match(format);
+      if (match) {
+        const year = parseInt(match[1], 10);
+        const month = parseInt(match[2], 10) - 1;  // 月份从0开始
+        const day = parseInt(match[3], 10);
+        const date = new Date(year, month, day);
+        date.setHours(0, 0, 0, 0);
+        return date;
+      }
+    }
+
+    return null;
+  }
 }