diff --git a/modelscope/models/nlp/space/dialog_state_tracking_model.py b/modelscope/models/nlp/space/dialog_state_tracking_model.py
index b24b3f94..00fc968a 100644
--- a/modelscope/models/nlp/space/dialog_state_tracking_model.py
+++ b/modelscope/models/nlp/space/dialog_state_tracking_model.py
@@ -97,5 +97,6 @@ class SpaceForDialogStateTrackingModel(Model):
             'input_ids_unmasked': input_ids_unmasked,
             'values': values,
             'inform': inform,
-            'prefix': 'final'
+            'prefix': 'final',
+            'ds': input['ds']
         }
diff --git a/modelscope/pipelines/__init__.py b/modelscope/pipelines/__init__.py
index 74f5507f..b0bd7489 100644
--- a/modelscope/pipelines/__init__.py
+++ b/modelscope/pipelines/__init__.py
@@ -1,7 +1,6 @@
-from .audio import LinearAECPipeline
-from .audio.ans_pipeline import ANSPipeline
+# from .audio import LinearAECPipeline
+# from .audio.ans_pipeline import ANSPipeline
 from .base import Pipeline
 from .builder import pipeline
-from .cv import *  # noqa F403
 from .multi_modal import *  # noqa F403
 from .nlp import *  # noqa F403
diff --git a/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py b/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
index d4fa4bef..1a1d542a 100644
--- a/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
+++ b/modelscope/pipelines/nlp/dialog_state_tracking_pipeline.py
@@ -45,7 +45,8 @@ class DialogStateTrackingPipeline(Pipeline):
         values = inputs['values']
         inform = inputs['inform']
         prefix = inputs['prefix']
-        ds = {slot: 'none' for slot in self.config.dst_slot_list}
+        # ds = {slot: 'none' for slot in self.config.dst_slot_list}
+        ds = inputs['ds']
 
         ds = predict_and_format(self.config, self.tokenizer, _inputs,
                                 _outputs[2], _outputs[3], _outputs[4],
@@ -113,7 +114,11 @@ def predict_and_format(config, tokenizer, features, per_slot_class_logits,
                     'false'):
                 dialog_state[slot] = 'false'
             elif class_prediction == config.dst_class_types.index('inform'):
-                dialog_state[slot] = '§§' + inform[i][slot]
+                # dialog_state[slot] = '§§' + inform[i][slot]
+                if isinstance(inform[i][slot], str):
+                    dialog_state[slot] = inform[i][slot]
+                elif isinstance(inform[i][slot], list):
+                    dialog_state[slot] = inform[i][slot][0]
             # Referral case is handled below
 
             prediction_addendum['slot_prediction_%s'
diff --git a/modelscope/pipelines/outputs.py b/modelscope/pipelines/outputs.py
index 8e62939b..5b9e36b7 100644
--- a/modelscope/pipelines/outputs.py
+++ b/modelscope/pipelines/outputs.py
@@ -114,6 +114,44 @@ TASK_OUTPUTS = {
     #       "scores": [0.9, 0.1, 0.05, 0.05]
     #   }
     Tasks.nli: ['scores', 'labels'],
+    Tasks.dialog_modeling: [],
+    Tasks.dialog_intent_prediction: [],
+
+    # {
+    #     "dialog_states": {
+    #         "taxi-leaveAt": "none",
+    #         "taxi-destination": "none",
+    #         "taxi-departure": "none",
+    #         "taxi-arriveBy": "none",
+    #         "restaurant-book_people": "none",
+    #         "restaurant-book_day": "none",
+    #         "restaurant-book_time": "none",
+    #         "restaurant-food": "none",
+    #         "restaurant-pricerange": "none",
+    #         "restaurant-name": "none",
+    #         "restaurant-area": "none",
+    #         "hotel-book_people": "none",
+    #         "hotel-book_day": "none",
+    #         "hotel-book_stay": "none",
+    #         "hotel-name": "none",
+    #         "hotel-area": "none",
+    #         "hotel-parking": "none",
+    #         "hotel-pricerange": "cheap",
+    #         "hotel-stars": "none",
+    #         "hotel-internet": "none",
+    #         "hotel-type": "true",
+    #         "attraction-type": "none",
+    #         "attraction-name": "none",
+    #         "attraction-area": "none",
+    #         "train-book_people": "none",
+    #         "train-leaveAt": "none",
+    #         "train-destination": "none",
+    #         "train-day": "none",
+    #         "train-arriveBy": "none",
+    #         "train-departure": "none"
+    #     }
+    # }
+    Tasks.dialog_state_tracking: ['dialog_states'],
 
     # ============ audio tasks ===================
 
@@ -153,43 +191,5 @@ TASK_OUTPUTS = {
     # {
     #    "image": np.ndarray with shape [height, width, 3]
     # }
-    Tasks.text_to_image_synthesis: ['image'],
-    Tasks.dialog_modeling: [],
-    Tasks.dialog_intent_prediction: [],
-
-    # {
-    #     "dialog_states": {
-    #         "taxi-leaveAt": "none",
-    #         "taxi-destination": "none",
-    #         "taxi-departure": "none",
-    #         "taxi-arriveBy": "none",
-    #         "restaurant-book_people": "none",
-    #         "restaurant-book_day": "none",
-    #         "restaurant-book_time": "none",
-    #         "restaurant-food": "none",
-    #         "restaurant-pricerange": "none",
-    #         "restaurant-name": "none",
-    #         "restaurant-area": "none",
-    #         "hotel-book_people": "none",
-    #         "hotel-book_day": "none",
-    #         "hotel-book_stay": "none",
-    #         "hotel-name": "none",
-    #         "hotel-area": "none",
-    #         "hotel-parking": "none",
-    #         "hotel-pricerange": "cheap",
-    #         "hotel-stars": "none",
-    #         "hotel-internet": "none",
-    #         "hotel-type": "true",
-    #         "attraction-type": "none",
-    #         "attraction-name": "none",
-    #         "attraction-area": "none",
-    #         "train-book_people": "none",
-    #         "train-leaveAt": "none",
-    #         "train-destination": "none",
-    #         "train-day": "none",
-    #         "train-arriveBy": "none",
-    #         "train-departure": "none"
-    #     }
-    # }
-    Tasks.dialog_state_tracking: ['dialog_states']
+    Tasks.text_to_image_synthesis: ['image']
 }
diff --git a/modelscope/preprocessors/space/dialog_state_tracking_preprocessor.py b/modelscope/preprocessors/space/dialog_state_tracking_preprocessor.py
index 60a7bf4f..c1509eec 100644
--- a/modelscope/preprocessors/space/dialog_state_tracking_preprocessor.py
+++ b/modelscope/preprocessors/space/dialog_state_tracking_preprocessor.py
@@ -118,8 +118,14 @@ class DialogStateTrackingPreprocessor(Preprocessor):
                 for slot in self.config.dst_slot_list
             }
 
+        if len(history_states) > 2:
+            ds = history_states[-2]
+        else:
+            ds = {slot: 'none' for slot in self.config.dst_slot_list}
+
         return {
             'batch': dataset,
             'features': features,
-            'diag_state': diag_state
+            'diag_state': diag_state,
+            'ds': ds
         }
diff --git a/modelscope/preprocessors/space/dst_processors.py b/modelscope/preprocessors/space/dst_processors.py
index 01a7e3c7..12f7f1f8 100644
--- a/modelscope/preprocessors/space/dst_processors.py
+++ b/modelscope/preprocessors/space/dst_processors.py
@@ -432,6 +432,7 @@ class multiwoz22Processor(DSTProcessor):
         usr_sys_switch = True
         turn_itr = 0
 
+        inform_dict = {slot: 'none' for slot in slot_list}
         for utt in utterances:
             # Assert that system and user utterances alternate
             is_sys_utt = utt['metadata'] != {}
@@ -1501,7 +1502,7 @@ if __name__ == '__main__':
         }
     }, {}]
 
-    example = processor.create_example(utter3, history_states3, set_type,
+    example = processor.create_example(utter2, history_states2, set_type,
                                        slot_list, {}, append_history,
                                        use_history_labels, swap_utterances,
                                        label_value_repetitions,