diff --git a/mindspore/core/utils/log_adapter.cc b/mindspore/core/utils/log_adapter.cc
index 31e67383c9f..73030f4c6cb 100644
--- a/mindspore/core/utils/log_adapter.cc
+++ b/mindspore/core/utils/log_adapter.cc
@@ -680,33 +680,31 @@ const std::string GetSubModuleName(SubModuleId module_id) {
 }
 
 std::string GetTimeString() {
-  constexpr auto BUFLEN = 80;
-  char buf[BUFLEN] = {'\0'};
 #if defined(_WIN32) || defined(_WIN64)
   time_t time_seconds = time(0);
   struct tm now_time;
   localtime_s(&now_time, &time_seconds);
   constexpr int base_year = 1900;
-  (void)snprintf(buf, BUFLEN, "%d-%d-%d %d:%d:%d", now_time.tm_year + base_year, now_time.tm_mon + 1, now_time.tm_mday,
-                 now_time.tm_hour, now_time.tm_min, now_time.tm_sec);
+  std::stringstream ss;
+  ss << now_time.tm_year + base_year << "-" << now_time.tm_mon + 1 << "-" << now_time.tm_mday << " " << now_time.tm_hour
+     << ":" << now_time.tm_min << ":" << now_time.tm_sec;
+  return ss.str();
 #else
+  constexpr auto BUFLEN = 80;
+  char buf[BUFLEN] = {'\0'};
   struct timeval cur_time;
   (void)gettimeofday(&cur_time, nullptr);
 
   struct tm now;
-  constexpr size_t time_str_len = 19;
+  constexpr int width = 3;
   constexpr int64_t time_convert_unit = 1000;
   (void)localtime_r(&cur_time.tv_sec, &now);
   (void)strftime(buf, BUFLEN, "%Y-%m-%d-%H:%M:%S", &now);  // format date and time
-#ifdef __APPLE__
-  constexpr auto fmt_str = ".%03lld.%03lld";
-#else
-  constexpr auto fmt_str = ".%03ld.%03ld";
+  std::stringstream ss;
+  ss << "." << std::setfill('0') << std::setw(width) << cur_time.tv_usec / time_convert_unit << "." << std::setfill('0')
+     << std::setw(width) << cur_time.tv_usec % time_convert_unit;
+  return std::string(buf) + ss.str();
 #endif
-  (void)snprintf(buf + time_str_len, BUFLEN - time_str_len, fmt_str, cur_time.tv_usec / time_convert_unit,
-                 cur_time.tv_usec % time_convert_unit);
-#endif
-  return std::string(buf);
 }
 }  // namespace mindspore
 
diff --git a/mindspore/lite/tools/common/flag_parser.cc b/mindspore/lite/tools/common/flag_parser.cc
index efde8cf379a..6ce8c801b0f 100644
--- a/mindspore/lite/tools/common/flag_parser.cc
+++ b/mindspore/lite/tools/common/flag_parser.cc
@@ -162,7 +162,8 @@ std::string FlagParser::Usage(const Option<std::string> &usgMsg) const {
     std::string flagName = flag->second.flagName;
     std::string helpInfo = flag->second.helpInfo;
     // parameter line
-    std::string thisLine = flagName == "help" ? " --" + flagName : " --" + flagName + "=VALUE";
+    std::string thisLine =
+      (flagName == helpStr || flagName == versionStr) ? " --" + flagName : " --" + flagName + "=VALUE";
     if (++i <= flags.size()) {
       // add parameter help message of each line
       thisLine += " " + helpInfo;
diff --git a/mindspore/lite/tools/common/flag_parser.h b/mindspore/lite/tools/common/flag_parser.h
index f8c0c655fae..9e056b56b93 100644
--- a/mindspore/lite/tools/common/flag_parser.h
+++ b/mindspore/lite/tools/common/flag_parser.h
@@ -30,7 +30,10 @@ struct Nothing {};
 
 class FlagParser {
  public:
-  FlagParser() { AddFlag(&FlagParser::help, helpStr, "print usage message", ""); }
+  FlagParser() {
+    AddFlag(&FlagParser::help, helpStr, "print usage message", "");
+    AddFlag(&FlagParser::version, versionStr, "print version", "");
+  }
 
   virtual ~FlagParser() = default;
 
@@ -59,6 +62,7 @@ class FlagParser {
   template <typename Flags, typename T>
   void AddFlag(Option<T> Flags::*t, const std::string &flagName, const std::string &helpInfo);
   bool help{};
+  bool version{};
 
  protected:
   template <typename Flags>
@@ -69,6 +73,7 @@ class FlagParser {
   std::string binName;
   Option<std::string> usageMsg;
   std::string helpStr = "help";
+  std::string versionStr = "version";
 
  private:
   struct FlagInfo {
diff --git a/scripts/build/option_proc_mindspore.sh b/scripts/build/option_proc_mindspore.sh
index cca2d1228eb..9916093af47 100755
--- a/scripts/build/option_proc_mindspore.sh
+++ b/scripts/build/option_proc_mindspore.sh
@@ -39,12 +39,12 @@ build_option_proc_s()
 {
   check_on_off $OPTARG s
   if [[ "X$OPTARG" == "Xon" ]]; then
-    if [[ $USER_ENABLE_DUMP_IR == true ]]; then
+    if [[ "$USER_ENABLE_DUMP_IR" == true ]]; then
       echo "enable security, the dump ir is not available"
       usage
       exit 1
     fi
-    if [[ $USER_ENABLE_DEBUGGER == true ]]; then
+    if [[ "$USER_ENABLE_DEBUGGER" == true ]]; then
       echo "enable security, the debugger is not available"
       usage
       exit 1
diff --git a/scripts/check_clang_format.sh b/scripts/check_clang_format.sh
index 3e3e64cecb9..5c4c8e9f5ae 100755
--- a/scripts/check_clang_format.sh
+++ b/scripts/check_clang_format.sh
@@ -101,7 +101,7 @@ set +e
 
 # check format of files modified in the latest commit
 while read line; do
-  if [ ! -e ${line} ]; then
+  if [ ! -e "${line}" ]; then
     continue
   fi
   BASE_NAME=$(basename "${line}")
diff --git a/scripts/check_tid.sh b/scripts/check_tid.sh
index cfdad069c45..f06ffb7d9e4 100755
--- a/scripts/check_tid.sh
+++ b/scripts/check_tid.sh
@@ -1,4 +1,20 @@
 #!/bin/bash
+# Copyright 2021-2022 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+set -e
 
 SCRIPT_DIR=$(dirname "$0")
 MS_DIR=$(realpath ${SCRIPT_DIR}/..)
@@ -22,7 +38,7 @@ if [[ "$line" =~ .*\((.*)\,(.*)\).* ]]
 then
 CLASS_NAME=${BASH_REMATCH[2]}_${BASH_REMATCH[1]}
 TID=$(${HASH_EXE} ${CLASS_NAME})
-if [ ${TIDMAP[${TID}]+_} ]; then
+if [ ${TIDMAP["${TID}"]+_} ]; then
     echo $line
     echo Same tid $TID is used by $CLASS_NAME and ${TIDMAP[${TID}]}.
     exit 1
diff --git a/scripts/lite_release_package.sh b/scripts/lite_release_package.sh
index fa8527c3fc0..0ee6b58f570 100644
--- a/scripts/lite_release_package.sh
+++ b/scripts/lite_release_package.sh
@@ -22,14 +22,14 @@ function android_release_package()
     device=$2
     pkg_name="mindspore-lite-${version}-android-${arch}"
 
-    rm -rf ${pkg_name}
+    [ -n "${pkg_name}" ] && rm -rf ${pkg_name}
     tar -xzf ${input_path}/android_${arch}/${device}/${pkg_name}.tar.gz
     # Copy java runtime to Android package
     cp ${input_path}/aar/mindspore-lite-*.aar ${pkg_name}
 
     mkdir -p ${output_path}/release/android/${device}/
     tar -czf ${output_path}/release/android/${device}/${pkg_name}.tar.gz ${pkg_name}
-    rm -rf ${pkg_name}
+    [ -n "${pkg_name}" ] && rm -rf ${pkg_name}
     cd ${output_path}/release/android/${device}/
     sha256sum ${pkg_name}.tar.gz > ${pkg_name}.tar.gz.sha256
 }
@@ -90,7 +90,7 @@ echo "Usage: bash lite_release_package.sh input_path output_path"
 
 input_path=$1
 output_path=$2
-version=`ls ${input_path}/android_aarch64/npu/mindspore-lite-*-*.tar.gz | awk -F'/' '{print $NF}' | cut -d"-" -f3`
+version=$(ls ${input_path}/android_aarch64/npu/mindspore-lite-*-*.tar.gz | awk -F'/' '{print $NF}' | cut -d"-" -f3)
 
 android_release_package aarch32 npu
 android_release_package aarch32 cpu