debug: 添加原始Excel数据日志

backend/services/mining-admin-service/src/application/services/batch-mining.service.ts

@@ -261,6 +261,12 @@ export class BatchMiningService {
     const today = new Date();
     today.setHours(0, 0, 0, 0);
 
+    // 打印前5行原始数据用于调试
+    this.logger.log(`[parseExcelData] 前5行原始数据:`);
+    for (let i = 0; i < Math.min(5, rows.length); i++) {
+      this.logger.log(`[parseExcelData] 行${i}: ${JSON.stringify(rows[i])}`);
+    }
+
     for (let i = 0; i < rows.length; i++) {
       const row = rows[i];