diff --git a/cmds/cmd_package/__init__.py b/cmds/cmd_package/__init__.py
index 68361a40..b6876bde 100644
--- a/cmds/cmd_package/__init__.py
+++ b/cmds/cmd_package/__init__.py
@@ -25,7 +25,9 @@
 # 2019-01-07     SummerGift      The prompt supports utf-8 encoding
 # 2020-04-08     SummerGift      Optimize program structure
 #
-
+__version__ = 'RT-Thread packages v1.2.1'
+# This version number prepares for the subsequent suspension 
+# of the env script to upgrade the python2 version
 from .cmd_package_printenv import package_print_env, package_print_help
 from .cmd_package_list import list_packages
 from .cmd_package_wizard import package_wizard
@@ -46,6 +48,8 @@ def run_env_cmd(args):
         list_packages()
     elif args.package_upgrade:
         package_upgrade()
+    elif args.package_upgrade_force:
+        package_upgrade(force_upgrade=True)
     elif args.package_print_env:
         package_print_env()
     else:
@@ -69,6 +73,12 @@ def add_parser(sub):
                         default=False,
                         dest='package_update')
 
+    parser.add_argument('--force-upgrade',
+                        help='force upgrade packages, install or remove the packages by your settings in menuconfig',
+                        action='store_true',
+                        default=False,
+                        dest='package_upgrade_force')   
+                        
     parser.add_argument('--list',
                         help='list target packages',
                         action='store_true',
diff --git a/cmds/cmd_package/cmd_package_upgrade.py b/cmds/cmd_package/cmd_package_upgrade.py
index b9e3f413..c2b1ed79 100644
--- a/cmds/cmd_package/cmd_package_upgrade.py
+++ b/cmds/cmd_package/cmd_package_upgrade.py
@@ -29,7 +29,7 @@
 from .cmd_package_update import need_using_mirror_download
 
 
-def upgrade_packages_index():
+def upgrade_packages_index(force_upgrade=False):
     """Update the package repository index."""
 
     env_root = Import('env_root')
@@ -51,11 +51,19 @@ def upgrade_packages_index():
     packages_root = pkgs_root
     pkgs_path = os.path.join(packages_root, 'packages')
 
+
+
     if not os.path.isdir(pkgs_path):
         cmd = 'git clone ' + git_repo + ' ' + pkgs_path
         os.system(cmd)
         print("upgrade from :%s" % (git_repo.encode("utf-8")))
     else:
+        if force_upgrade:
+            cwd = os.getcwd()
+            os.chdir(pkgs_path)
+            os.system('git fetch --all')
+            os.system('git reset --hard origin/master')
+            os.chdir(cwd)
         print("Begin to upgrade env packages.")
         git_pull_repo(pkgs_path, git_repo)
         print("==============================>  Env packages upgrade done \n")
@@ -97,8 +105,8 @@ def upgrade_env_script():
     print("==============================>  Env scripts upgrade done \n")
 
 
-def package_upgrade():
+def package_upgrade(force_upgrade=False):
     """Update the package repository directory and env function scripts."""
 
-    upgrade_packages_index()
+    upgrade_packages_index(force_upgrade=force_upgrade)
     upgrade_env_script()
diff --git a/env.py b/env.py
index 0965d29b..043b8a92 100644
--- a/env.py
+++ b/env.py
@@ -34,7 +34,7 @@
 from cmds import *
 from vars import Export
 
-__version__ = 'RT-Thread packages v1.2.0'
+__version__ = 'RT-Thread packages v1.2.1'
 
 
 def init_argparse():