diff --git a/mmengine/hooks/logger_hook.py b/mmengine/hooks/logger_hook.py
index fa0b79dcf9..b7143b9930 100644
--- a/mmengine/hooks/logger_hook.py
+++ b/mmengine/hooks/logger_hook.py
@@ -262,6 +262,7 @@ def after_val_epoch(self,
                 epoch = 0
             else:
                 epoch = runner.epoch
+            tag['epoch'] = epoch
             runner.visualizer.add_scalars(
                 tag, step=epoch, file_path=self.json_log_path)
         else:
diff --git a/tests/test_hooks/test_logger_hook.py b/tests/test_hooks/test_logger_hook.py
index 52b8bc1fa3..7088aa3262 100644
--- a/tests/test_hooks/test_logger_hook.py
+++ b/tests/test_hooks/test_logger_hook.py
@@ -120,6 +120,8 @@ def test_after_train_iter(self):
     def test_after_val_epoch(self):
         logger_hook = LoggerHook()
         runner = MagicMock()
+        runner._train_loop = object()
+        runner.epoch = 3
         # Test when `log_metric_by_epoch` is True
         runner.log_processor.get_log_after_epoch = MagicMock(
             return_value=({
@@ -135,7 +137,8 @@ def test_after_val_epoch(self):
             call({
                 'time': 1,
                 'datatime': 1,
-                'acc': 0.8
+                'acc': 0.8,
+                'epoch': 3
             }, **args),
         ]
         self.assertEqual(
@@ -157,7 +160,8 @@ def test_after_val_epoch(self):
             call({
                 'time': 1,
                 'datatime': 1,
-                'acc': 0.8
+                'acc': 0.8,
+                'epoch': 3
             }, **args),
             call({
                 'time': 5,