diff --git a/mmdeploy/codebase/mmcls/deploy/classification.py b/mmdeploy/codebase/mmcls/deploy/classification.py
index 8e91c2f4c..a51bea1ca 100644
--- a/mmdeploy/codebase/mmcls/deploy/classification.py
+++ b/mmdeploy/codebase/mmcls/deploy/classification.py
@@ -233,8 +233,6 @@ class Classification(BaseTask):
             log_file (str | None): The file to write the evaluation results.
                 Defaults to `None` and the results will only print on stdout.
         """
-        import warnings
-
         from mmcv.utils import get_logger
         logger = get_logger('test', log_file=log_file, log_level=logging.INFO)
 
@@ -243,7 +241,7 @@ class Classification(BaseTask):
             for k, v in results.items():
                 logger.info(f'{k} : {v:.2f}')
         else:
-            warnings.warn('Evaluation metrics are not specified.')
+            logger.warning('Evaluation metrics are not specified.')
             scores = np.vstack(outputs)
             pred_score = np.max(scores, axis=1)
             pred_label = np.argmax(scores, axis=1)
@@ -281,8 +279,14 @@ class Classification(BaseTask):
             dict: Composed of the postprocess information.
         """
         postprocess = self.model_cfg.model.head
-        assert 'topk' in postprocess, 'model config lack topk'
-        postprocess.topk = max(postprocess.topk)
+        if 'topk' not in postprocess:
+            topk = (1, )
+            logger = get_root_logger()
+            logger.warning('no topk in postprocess config, using default \
+                 topk value.')
+        else:
+            topk = postprocess.topk
+        postprocess.topk = max(topk)
         return postprocess
 
     def get_model_name(self) -> str:
diff --git a/requirements/optional.txt b/requirements/optional.txt
index 5f5251130..9a077ff56 100644
--- a/requirements/optional.txt
+++ b/requirements/optional.txt
@@ -1,4 +1,4 @@
-mmcls>=0.21.0,<=0.22.1
+mmcls>=0.21.0,<=0.23.0
 mmdet>=2.19.0,<=2.20.0
 mmedit
 mmocr>=0.3.0,<=0.4.1
diff --git a/tests/regression/mmcls.yml b/tests/regression/mmcls.yml
index c204383d0..78943b63d 100644
--- a/tests/regression/mmcls.yml
+++ b/tests/regression/mmcls.yml
@@ -144,6 +144,18 @@ models:
       - *pipeline_pplnn_dynamic_fp32
       - *pipeline_openvino_dynamic_fp32
 
+  - name: DenseNet
+    metafile: configs/densenet/metafile.yml
+    model_configs:
+      - configs/densenet/densenet121_4xb256_in1k.py
+    pipelines:
+      - *pipeline_ts_fp32
+      - *pipeline_ort_dynamic_fp32
+      - *pipeline_trt_dynamic_fp16
+      - *pipeline_ncnn_static_fp32
+      - *pipeline_pplnn_dynamic_fp32
+      - *pipeline_openvino_dynamic_fp32
+
   - name: SE-ResNet
     metafile: configs/seresnet/metafile.yml
     model_configs: