diff --git a/easy_rec/python/test/hpo_test.py b/easy_rec/python/test/hpo_test.py
index d3fc60a71..983081e49 100644
--- a/easy_rec/python/test/hpo_test.py
+++ b/easy_rec/python/test/hpo_test.py
@@ -12,6 +12,7 @@
 from easy_rec.python.utils import config_util
 from easy_rec.python.utils import hpo_util
 from easy_rec.python.utils import test_utils
+from easy_rec.python.protos.feature_config_pb2 import FeatureConfig
 
 if tf.__version__ >= '2.0':
   gfile = tf.compat.v1.gfile
@@ -198,6 +199,22 @@ def test_edit_config_v12(self):
         assert len(tmp_fea.boundaries) == 25
         assert np.abs(tmp_fea.boundaries[1] - 21.0) < 1e-5
 
+  def test_edit_config_v13(self):
+    tmp_file = 'samples/model_config/deepfm_multi_cls_on_avazu_ctr.config'
+    tmp_config = config_util.get_configs_from_pipeline_file(tmp_file)
+    tmp_file = 'samples/hpo/hpo_param_v13.json'
+    tmp_config = config_util.edit_config(tmp_config, self.load_config(tmp_file))
+    assert not tmp_config.export_config.multi_placeholder
+
+  def test_edit_config_v14(self):
+    tmp_file = 'samples/model_config/deepfm_multi_cls_on_avazu_ctr.config'
+    tmp_config = config_util.get_configs_from_pipeline_file(tmp_file)
+    tmp_file = 'samples/hpo/hpo_param_v14.json'
+    tmp_config = config_util.edit_config(tmp_config, self.load_config(tmp_file))
+    for i, tmp_fea in enumerate(tmp_config.feature_configs):
+      if tmp_fea.input_names[0] == 'hour':
+        assert len(tmp_fea.feature_type) == FeatureConfig.RawFeature
+
   def test_save_eval_metrics_with_env(self):
     os.environ['TF_CONFIG'] = """
                               { "cluster": {
diff --git a/easy_rec/python/utils/config_util.py b/easy_rec/python/utils/config_util.py
index 65a0df56f..a2e73b8c0 100644
--- a/easy_rec/python/utils/config_util.py
+++ b/easy_rec/python/utils/config_util.py
@@ -163,6 +163,22 @@ def edit_config(pipeline_config, edit_config_json):
     edit_config_json: edit config json
   """
 
+  def _type_convert(proto, val, parent=None):
+    if type(val) != type(proto):
+      try:
+        if isinstance(proto, bool):
+          assert val in ['True', 'true', 'False', 'false']
+          val = val in ['True', 'true']
+        else:
+          val = type(proto)(val)
+      except ValueError as ex:
+        if parent is None:
+          raise ex
+        assert isinstance(proto, int)
+        val = getattr(parent, val)
+        assert isinstance(val, int)
+    return val 
+
   def _get_attr(obj, attr, only_last=False):
     # only_last means we only return the last element in paths array
     attr_toks = [x.strip() for x in attr.split('.') if x != '']
@@ -238,14 +254,9 @@ def _get_attr(obj, attr, only_last=False):
           for tid, update_obj in enumerate(update_objs):
             tmp, tmp_parent, _, _ = _get_attr(
                 update_obj, cond_key, only_last=True)
-            if type(cond_val) != type(tmp):
-              try:
-                cond_val = type(tmp)(cond_val)
-              except ValueError:
-                # to support for enumerations like IdFeature
-                assert isinstance(tmp, int)
-                cond_val = getattr(tmp_parent, cond_val)
-                assert isinstance(cond_val, int)
+
+            cond_val = _type_convert(tmp, cond_val, tmp_parent)
+            
             if op_func(tmp, cond_val):
               obj_id = tid
               paths.append((update_obj, update_objs, None, obj_id))
@@ -275,15 +286,11 @@ def _get_attr(obj, attr, only_last=False):
         basic_types = [int, str, float, bool, type(u'')]
         if type(tmp_val) in basic_types:
           # simple type cast
-          try:
-            tmp_val = type(tmp_val)(param_val)
-            if tmp_name is None:
-              tmp_obj[tmp_id] = tmp_val
-            else:
-              setattr(tmp_obj, tmp_name, tmp_val)
-          except ValueError:
-            # for enumeration types
-            text_format.Merge('%s:%s' % (tmp_name, param_val), tmp_obj)
+          tmp_val = _type_convert(tmp_val, param_val, tmp_obj)
+          if tmp_name is None:
+            tmp_obj[tmp_id] = tmp_val
+          else:
+            setattr(tmp_obj, tmp_name, tmp_val)
         elif 'Scalar' in str(type(tmp_val)) and 'ClearField' in dir(tmp_obj):
           tmp_obj.ClearField(tmp_name)
           text_format.Parse('%s:%s' % (tmp_name, param_val), tmp_obj)
diff --git a/samples/hpo/hpo_param_v13.json b/samples/hpo/hpo_param_v13.json
new file mode 100755
index 000000000..9acf7acec
--- /dev/null
+++ b/samples/hpo/hpo_param_v13.json
@@ -0,0 +1,5 @@
+{
+   "param": {
+      "export_config.multi_placeholder": "false"
+    }
+}
diff --git a/samples/hpo/hpo_param_v14.json b/samples/hpo/hpo_param_v14.json
new file mode 100755
index 000000000..b4af1c916
--- /dev/null
+++ b/samples/hpo/hpo_param_v14.json
@@ -0,0 +1,5 @@
+{
+   "param": {
+      "feature_config.features[input_names[0]=hour].feature_type": "RawFeature"
+    }
+}