diff --git a/python/fate/arch/context/_cipher.py b/python/fate/arch/context/_cipher.py
index e1cbf119df..484e741ac4 100644
--- a/python/fate/arch/context/_cipher.py
+++ b/python/fate/arch/context/_cipher.py
@@ -119,15 +119,15 @@ def __init__(
 
     @property
     def can_support_negative_number(self):
-        return self._tensor_cipher.can_support_negative_number
+        return self._can_support_negative_number
 
     @property
     def can_support_squeeze(self):
-        return self._tensor_cipher.can_support_squeeze
+        return self._can_support_squeeze
 
     @property
     def can_support_pack(self):
-        return self._tensor_cipher.can_support_pack
+        return self._can_support_pack
 
     @property
     def key_size(self):
diff --git a/python/fate/components/components/hetero_sbt.py b/python/fate/components/components/hetero_sbt.py
index 312bdb2f1d..19508848ce 100644
--- a/python/fate/components/components/hetero_sbt.py
+++ b/python/fate/components/components/hetero_sbt.py
@@ -45,7 +45,6 @@ def train(
     objective: cpn.parameter(type=params.string_choice(choice=[BINARY_BCE, MULTI_CE, REGRESSION_L2]), default=BINARY_BCE, \
                                        desc='objective function, available: {}'.format([BINARY_BCE, MULTI_CE, REGRESSION_L2])),
     num_class: cpn.parameter(type=params.conint(gt=0), default=2, desc='class number of multi classification, active when objective is {}'.format(MULTI_CE)),
-    encrypt_key_length: cpn.parameter(type=params.conint(gt=0), default=2048, desc='paillier encrypt key length'),
     l2: cpn.parameter(type=params.confloat(gt=0), default=0.1, desc='L2 regularization'),
     min_impurity_split: cpn.parameter(type=params.confloat(gt=0), default=1e-2, desc='min impurity when splitting a tree node'),
     min_sample_split: cpn.parameter(type=params.conint(gt=0), default=2, desc='min sample to split a tree node'),
@@ -70,12 +69,14 @@ def train(
     if role.is_guest:
         
         # initialize encrypt kit
+
+        logger.info('cwj he param is {}'.format(he_param.dict()))
         ctx.cipher.set_phe(ctx.device, he_param.dict())
 
         booster = HeteroSecureBoostGuest(num_trees=num_trees, max_depth=max_depth, learning_rate=learning_rate, max_bin=max_bin,
                                          l2=l2, min_impurity_split=min_impurity_split, min_sample_split=min_sample_split,
-                                        min_leaf_node=min_leaf_node, min_child_weight=min_child_weight, encrypt_key_length=encrypt_key_length,
-                                        objective=objective, num_class=num_class, gh_pack=gh_pack, split_info_pack=split_info_pack, hist_sub=hist_sub
+                                        min_leaf_node=min_leaf_node, min_child_weight=min_child_weight, objective=objective, num_class=num_class, 
+                                        gh_pack=gh_pack, split_info_pack=split_info_pack, hist_sub=hist_sub
                                         )
         if train_model_input is not None:
             booster.from_model(train_model_input)
diff --git a/python/fate/ml/ensemble/algo/secureboost/hetero/guest.py b/python/fate/ml/ensemble/algo/secureboost/hetero/guest.py
index e65654bfda..b03e944a48 100644
--- a/python/fate/ml/ensemble/algo/secureboost/hetero/guest.py
+++ b/python/fate/ml/ensemble/algo/secureboost/hetero/guest.py
@@ -60,6 +60,7 @@ def __init__(self, num_trees=3, learning_rate=0.3, max_depth=3, objective='binar
         self._hist_sub = hist_sub
 
         # encryption
+        self._encrypt_kit = None
         self._gh_pack = gh_pack
         self._split_info_pack = split_info_pack
 
@@ -96,6 +97,10 @@ def _check_encrypt_kit(self, ctx: Context):
             kit = ctx.cipher.phe.setup()
             self._encrypt_kit = kit
         # check encrypt function
+        logger.info('encrypt kit info: can support negative number: {}, can support compress: {}, can support pack: {}'.format(
+            self._encrypt_kit.can_support_negative_number, self._encrypt_kit.can_support_squeeze, self._encrypt_kit.can_support_pack
+        ))
+        
         if not self._encrypt_kit.can_support_negative_number:
             self._gh_pack = True  
             logger.info('current encrypt method cannot support neg num, gh pack is forced to be True')