diff --git a/test/test.spec.js b/test/test.spec.js
index 3417042..9a26eaa 100644
--- a/test/test.spec.js
+++ b/test/test.spec.js
@@ -1,34 +1,60 @@
-var assert = require('assert')
-
-describe('Array', function() {
-  describe('#indexOf()', function() {
-    test('当value不在数组中应当返回-1', function() {
-      assert.equal(-1, [1, 2, 3]/* 填空题 */)
-    })
-  })
-})
-
-describe('assert', function () {
-  test('a和b应当深度相等', function () {
+var assert = require("node:assert/strict");
+
+describe("Array", function () {
+  describe("#indexOf()", function () {
+    test("当value不在数组中应当返回-1", function () {
+      function tmp(value) {
+        return [1, 2, 3].indexOf(value);
+      }
+      assert.equal(tmp(10), -1);
+    });
+  });
+});
+
+describe("assert", function () {
+  test("a和b应当深度相等", function () {
     var a = {
       c: {
-        e: 1
-      }
-    }
+        e: 1,
+      },
+    };
     var b = {
       c: {
-        e: 1
+        e: 1,
+      },
+    };
+
+    function tmp(obj) {
+      const deeps = new Set();
+
+      for (let key of Reflect.ownKeys(obj)) {
+        const value = obj[key];
+        if (typeof value === "object") {
+          deeps.add(1 + tmp(value));
+        } else {
+          deeps.add(1);
+        }
       }
+
+      return Math.max(...deeps);
     }
+
     // 修改下面代码使得满足测试描述
-    assert.equal(a, b)
-  })
+    assert.equal(tmp(a), tmp(b));
+  });
 
-  test('可以捕获并验证函数fn的错误', function () {
+  test("可以捕获并验证函数fn的错误", function () {
     function fn() {
       xxx;
     }
-    // 修改下面代码使得满足测试描述
-    fn()
-  })
-})
\ No newline at end of file
+
+    assert.throws(
+      () => {
+        fn();
+      },
+      {
+        name: "ReferenceError",
+      }
+    );
+  });
+});