优化代码

nightFragrance-massage/src/main/java/com/ylx/point/service/impl/PointAccountServiceImpl.java

@@ -220,7 +220,7 @@ public class PointAccountServiceImpl implements IPointAccountService {
 
         // 2. 查询所有支出记录总和（支出记录的points为负数，需要取绝对值）
         QueryWrapper<PointUserLog> expenseWrapper = new QueryWrapper<>();
-        expenseWrapper.select("SUM(ABS(points))");
+        expenseWrapper.select("COALESCE(SUM(ABS(points)),0)");
         expenseWrapper.eq("open_id", openId);
         expenseWrapper.in("op_type", 2, 3);  // 2-支出 3-过期