diff --git a/lib/datetime/computeAge.js b/lib/datetime/computeAge.js
new file mode 100644
index 0000000..887d22b
--- /dev/null
+++ b/lib/datetime/computeAge.js
@@ -0,0 +1,33 @@
+import { parseISO, isValid, differenceInYears, isBefore } from 'date-fns';
+
+/**
+ * 计算年龄
+ *
+ * @author 卞雪瑞 <bianxr0803@gmail.com>
+ * @category 时间操作
+ * @alias yd_compute_age
+ * @param {String} birthday - 生日日期字符串
+ * @summary 根据给的生日计算出用户的年龄
+ * @returns {Number} - 返回计算出的年龄，如果未提供生日则返回0
+ */
+const computeAge = (birthday) => {
+    if (birthday) {
+        const _birthday = parseISO(birthday);
+
+        if (!isValid(_birthday)) {
+            return 0;
+        }
+
+        const cur = new Date();
+        let age = differenceInYears(cur, _birthday);
+
+        if (isBefore(cur, new Date(cur.getFullYear(), _birthday.getMonth(), _birthday.getDate()))) {
+            age--;
+        }
+
+        return age;
+    }
+    return 0;
+};
+
+export default computeAge;
diff --git a/lib/datetime/computeAge.test.js b/lib/datetime/computeAge.test.js
new file mode 100644
index 0000000..623f7c3
--- /dev/null
+++ b/lib/datetime/computeAge.test.js
@@ -0,0 +1,36 @@
+import { describe, test, expect } from 'vitest';
+import { format, parseISO, getYear, subMonths } from 'date-fns';
+import dy_compute_age from './computeAge'; // 确保路径正确
+
+describe('dy_compute_age', () => {
+    test('正确计算年龄', () => {
+        const birthday = '1990-01-01'; // 例如，出生日期为 1990 年 1 月 1 日
+        const expectedAge = new Date().getFullYear() - 1990; // 计算预期的年龄
+        const age = dy_compute_age(birthday);
+        expect(age).toBe(expectedAge);
+    });
+
+    test('计算同一天出生的年龄应为 0', () => {
+        const today = format(new Date(), 'yyyy-MM-dd');
+        const age = dy_compute_age(today);
+        expect(age).toBe(0);
+    });
+
+    test('边界情况：出生日期在今年的某一天', () => {
+        const birthday = format(subMonths(new Date(), 5), 'yyyy-MM-dd'); // 例如，5 个月前
+        const expectedAge = getYear(new Date()) - getYear(parseISO(birthday));
+        const age = dy_compute_age(birthday);
+        expect(age).toBe(expectedAge);
+    });
+
+    test('无效日期应返回 0', () => {
+        const invalidDate = 'not-a-date';
+        const age = dy_compute_age(invalidDate);
+        expect(age).toBe(0);
+    });
+
+    test('未提供出生日期应返回 0', () => {
+        const age = dy_compute_age();
+        expect(age).toBe(0);
+    });
+});
diff --git a/lib/datetime/dateRange.js b/lib/datetime/dateRange.js
new file mode 100644
index 0000000..bdeb9ab
--- /dev/null
+++ b/lib/datetime/dateRange.js
@@ -0,0 +1,29 @@
+import { add, isBefore } from 'date-fns';
+
+/**
+ * 返回一个时间范围
+ * @category 时间操作
+ * @alias yd_date_range
+ * @param {number} year - 需要增加的年数，默认为0
+ * @param {number} month - 需要增加的月数，默认为0
+ * @param {number} day - 需要增加的天数，默认为0
+ * @param {number} hour - 需要增加的小时数，默认为0
+ * @param {number} minute - 需要增加的分钟数，默认为0
+ * @param {number} second - 需要增加的秒数，默认为0
+ * @summary 生成一个时间范围数组，该数组包含当前时间和目标时间
+ * 如果目标时间在当前时间之后，则返回 [当前时间, 目标时间] 的数组
+ * 如果目标时间在当前时间之前或相同，则返回 [目标时间, 当前时间] 的数组
+ * @returns {Array} 返回一个包含两个Date对象的数组，分别代表开始时间和结束时间
+ */
+
+const dateRange = (year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0) => {
+    const now = new Date();
+    const targetDate = add(now, { years: year, months: month, days: day, hours: hour, minutes: minute, seconds: second });
+
+    if (isBefore(now, targetDate)) {
+        return [now, targetDate];
+    }
+    return [targetDate, now];
+};
+
+export default dateRange;
diff --git a/lib/datetime/dateRange.test.js b/lib/datetime/dateRange.test.js
new file mode 100644
index 0000000..4f71744
--- /dev/null
+++ b/lib/datetime/dateRange.test.js
@@ -0,0 +1,47 @@
+import { describe, test, expect } from 'vitest';
+import { add, isEqual, isBefore, startOfSecond } from 'date-fns';
+import yd_date_range from './dateRange';
+
+describe('yd_date_range', () => {
+    test('默认情况下返回当前时间范围', () => {
+        const [start, end] = yd_date_range();
+        const now = new Date();
+        expect(isEqual(startOfSecond(start), startOfSecond(now))).toBe(true);
+        expect(isEqual(startOfSecond(end), startOfSecond(now))).toBe(true);
+    });
+
+    test('增加一年', () => {
+        const [start, end] = yd_date_range(1);
+        expect(end.getFullYear()).toBe(start.getFullYear() + 1);
+    });
+
+    test('增加一个月', () => {
+        const [start, end] = yd_date_range(0, 1);
+        expect((end.getMonth() + 12) % 12).toBe((start.getMonth() + 1) % 12);
+    });
+
+    test('增加一天', () => {
+        const [start, end] = yd_date_range(0, 0, 1);
+        expect(end.getDate()).toBe(start.getDate() + 1);
+    });
+
+    test('增加一小时', () => {
+        const [start, end] = yd_date_range(0, 0, 0, 1);
+        expect((end.getHours() + 24) % 24).toBe((start.getHours() + 1) % 24);
+    });
+
+    test('增加一分钟', () => {
+        const [start, end] = yd_date_range(0, 0, 0, 0, 1);
+        expect((end.getMinutes() + 60) % 60).toBe((start.getMinutes() + 1) % 60);
+    });
+
+    test('增加一秒钟', () => {
+        const [start, end] = yd_date_range(0, 0, 0, 0, 0, 1);
+        expect((end.getSeconds() + 60) % 60).toBe((start.getSeconds() + 1) % 60);
+    });
+
+    test('如果目标日期在当前日期之前，返回的顺序应调整', () => {
+        const [start, end] = yd_date_range(-1); // 减少一年
+        expect(isBefore(start, end)).toBe(true);
+    });
+});