diff --git a/build_ext_components.py b/build_ext_components.py
index 2cf36089bae9a318298699f0a695507ebe941bba..9900c94f44125e2313f71150a72c346e6756d3b0 100755
--- a/build_ext_components.py
+++ b/build_ext_components.py
@@ -22,9 +22,11 @@ import argparse
 import shlex
 from tempfile import NamedTemporaryFile
 from shutil import copyfile
+from datetime import datetime
 
 
 def cmd_exec(command, temp_file, error_log_path):
+    start_time = datetime.now().replace(microsecond=0)
     cmd = shlex.split(command)
 
     proc = subprocess.Popen(cmd,
@@ -40,6 +42,8 @@ def cmd_exec(command, temp_file, error_log_path):
         os.remove(temp_file.name)
         return ret_code
 
+    end_time = datetime.now().replace(microsecond=0)
+    temp_file.write(f'cmd:{command}\ncost time:{end_time-start_time}\n')
     return ret_code
 
 
diff --git a/hb/__init__.py b/hb/__init__.py
index 511901f8d60aa8b929498bc4b94658a96cbd110e..e63868fba48e1b130f9c4eaf4cacbb78be51db3a 100755
--- a/hb/__init__.py
+++ b/hb/__init__.py
@@ -42,4 +42,4 @@ CONFIG_STRUCT = {
     "device_path": None,
     "patch_cache": None
 }
-VERSION = '0.4.1'
+VERSION = '0.4.2'
diff --git a/hb/build/build_process.py b/hb/build/build_process.py
index 8bbfddc129b4ec197fd8662333418acc74444e37..39b5a46c51c8cd551f36e5daea6eec88631b54cc 100755
--- a/hb/build/build_process.py
+++ b/hb/build/build_process.py
@@ -26,6 +26,7 @@ from hb.common.utils import remove_path
 from hb.common.utils import hb_info
 from hb.common.utils import hb_warning
 from hb.common.utils import OHOSException
+from hb.common.utils import get_current_time
 from hb.common.config import Config
 from hb.cts.cts import CTS
 from hb.common.device import Device
@@ -34,6 +35,7 @@ from hb.build.fs_process import Packer
 from hb.build.patch_process import Patch
 from distutils.spawn import find_executable
 
+
 class Build():
     def __init__(self, component=None):
         self.config = Config()
@@ -45,6 +47,7 @@ class Build():
         self._test = None
 
         self.target = component
+        self.start_time = get_current_time()
         self.check_in_device()
 
     @property
@@ -102,6 +105,10 @@ class Build():
         else:
             raise OHOSException('Error: wrong input of test')
 
+    @property
+    def build_time(self):
+        return get_current_time() - self.start_time
+
     def register_args(self, args_name, args_value, quota=True):
         quota = False if args_value in ['true', 'false'] else quota
         if quota:
@@ -129,6 +136,7 @@ class Build():
             exec_cmd(cmd_args)
 
         hb_info(f'{os.path.basename(self.config.out_path)} build success')
+        hb_info(f'cost time: {self.build_time}')
         return 0
 
     def get_cmd(self, full_compile, patch, ninja):
diff --git a/hb/common/utils.py b/hb/common/utils.py
index 5a7bed39db7885ef8398d53be7c74243515879a0..e80eda6f1225174b9200f204edeb1c6ead41f5da 100755
--- a/hb/common/utils.py
+++ b/hb/common/utils.py
@@ -183,11 +183,12 @@ def args_factory(args_dict):
     return args
 
 
-def get_current_time(type='timestamp'):
+def get_current_time(type='default'):
     if type == 'timestamp':
         return int(datetime.utcnow().timestamp() * 1000)
     if type == 'datetime':
         return datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+    return datetime.now().replace(microsecond=0)
 
 
 def hb_info(msg):
diff --git a/hb/set/set.py b/hb/set/set.py
index 0351223dcc4560f42a46cc4e8955b644c723d3ff..5e1d31d68ba0f1a53af9f68681f23402d9d7a868 100755
--- a/hb/set/set.py
+++ b/hb/set/set.py
@@ -20,6 +20,8 @@ import os
 
 from hb.common.config import Config
 from hb.common.utils import get_input
+from hb.common.utils import OHOSException
+from hb.common.utils import hb_info
 from hb.common.product import Product
 from hb.common.device import Device
 
@@ -47,7 +49,11 @@ def exec_command(args):
 def set_root_path(root_path=None):
     config = Config()
     if root_path is None:
-        root_path = get_input('[OHOS INFO] Input code path: ')
+        try:
+            hb_info(f'hb root path: {config.root_path}')
+            return 0
+        except OHOSException:
+            root_path = get_input('[OHOS INFO] Input code path: ')
     config.root_path = root_path
     return 0