diff --git a/testcases/cli-test/fakechroot/oe_test_fakechroot_chroot.sh b/testcases/cli-test/fakechroot/oe_test_fakechroot_chroot.sh
index 7e1ebbfe2965cda97312cd404226e64f234aea59..254818ad459109cc297d4d562e4dd68061b179ac 100644
--- a/testcases/cli-test/fakechroot/oe_test_fakechroot_chroot.sh
+++ b/testcases/cli-test/fakechroot/oe_test_fakechroot_chroot.sh
@@ -16,12 +16,12 @@
 # @License   :   Mulan PSL v2
 # @Desc      :   verify the uasge of fakechroot command
 # ############################################
+# shellcheck disable=SC1091
 
-source ${OET_PATH}/libs/locallibs/common_lib.sh
+source "${OET_PATH}"/libs/locallibs/common_lib.sh
 
 function pre_test() {
     LOG_INFO "Start environmental preparation."
-    DNF_INSTALL fakechroot
     cp ./common/hello.sh ./
     chmod 777 hello.sh
     LOG_INFO "End of environmental preparation!"
@@ -36,7 +36,7 @@ function run_test() {
     chroot --userspec=root:root --skip-chdir / ./hello.sh | grep "hello world!"
     CHECK_RESULT $? 0 0 "Check chroot --userspec --skip-chdir failed"
 
-    chroot --help | fgrep "Usage: chroot [OPTION]"
+    chroot --help | grep -F "Usage: chroot [OPTION]"
     CHECK_RESULT $? 0 0 "Check chroot --help failed"
 
     chroot --version | grep "chroot (GNU coreutils) [[:digit:]]"
@@ -47,7 +47,6 @@ function run_test() {
 
 function post_test() {
     LOG_INFO "Start to restore the test environment."
-    DNF_REMOVE
     rm -rf hello.sh test
     LOG_INFO "Finish restore the test environment."
 }
diff --git a/testcases/cli-test/fakechroot/oe_test_fakechroot_env_01.sh b/testcases/cli-test/fakechroot/oe_test_fakechroot_env_01.sh
index bb59d183b48951e85337c01b9a3c3bee2dd99d25..8091645e64b13044e41cec21e2156e1ac3bcc626 100644
--- a/testcases/cli-test/fakechroot/oe_test_fakechroot_env_01.sh
+++ b/testcases/cli-test/fakechroot/oe_test_fakechroot_env_01.sh
@@ -16,12 +16,12 @@
 # @License   :   Mulan PSL v2
 # @Desc      :   verify the uasge of fakechroot command
 # ############################################
+# shellcheck disable=SC1091
 
-source ${OET_PATH}/libs/locallibs/common_lib.sh
+source "${OET_PATH}"/libs/locallibs/common_lib.sh
 
 function pre_test() {
     LOG_INFO "Start environmental preparation."
-    DNF_INSTALL fakechroot
     cp ./common/hello.sh ./
     chmod 777 hello.sh
     mkdir test
@@ -68,7 +68,6 @@ function run_test() {
 
 function post_test() {
     LOG_INFO "Start to restore the test environment."
-    DNF_REMOVE
     rm -rf hello.sh test
     LOG_INFO "Finish restore the test environment."
 }
diff --git a/testcases/cli-test/fakechroot/oe_test_fakechroot_env_02.sh b/testcases/cli-test/fakechroot/oe_test_fakechroot_env_02.sh
index fc2cee94cec55c7f0fab4621e37ce905c0bd6adc..968d7772f11b3e8548f0c65ffafae7a806b1ad94 100644
--- a/testcases/cli-test/fakechroot/oe_test_fakechroot_env_02.sh
+++ b/testcases/cli-test/fakechroot/oe_test_fakechroot_env_02.sh
@@ -16,12 +16,12 @@
 # @License   :   Mulan PSL v2
 # @Desc      :   verify the uasge of fakechroot command
 # ############################################
+# shellcheck disable=SC1091
 
-source ${OET_PATH}/libs/locallibs/common_lib.sh
+source "${OET_PATH}"/libs/locallibs/common_lib.sh
 
 function pre_test() {
     LOG_INFO "Start environmental preparation."
-    DNF_INSTALL fakechroot
     cp ./common/hello.sh ./
     chmod 777 hello.sh
     LOG_INFO "End of environmental preparation!"
@@ -48,7 +48,7 @@ function run_test() {
     env --debug | grep "USER=" 
     CHECK_RESULT $? 0 0 "Check env --debug failed"
 
-    env --help | fgrep "Usage: env [OPTION]"
+    env --help | grep -F "Usage: env [OPTION]"
     CHECK_RESULT $? 0 0 "Check env --help failed"
 
     env --version | grep "env (GNU coreutils) [[:digit:]]"
@@ -59,7 +59,6 @@ function run_test() {
 
 function post_test() {
     LOG_INFO "Start to restore the test environment."
-    DNF_REMOVE
     rm -rf hello.sh
     LOG_INFO "Finish restore the test environment."
 }
diff --git a/testcases/cli-test/libosinfo/oe_test_osinfo-db-import/oe_test_osinfo-db-import.sh b/testcases/cli-test/libosinfo/oe_test_osinfo-db-import/oe_test_osinfo-db-import.sh
index 900c7986f666bd038a96844f2b2d52917703ea5c..67b4ac9eddfea197689f760a30df8437ccb9ab20 100644
--- a/testcases/cli-test/libosinfo/oe_test_osinfo-db-import/oe_test_osinfo-db-import.sh
+++ b/testcases/cli-test/libosinfo/oe_test_osinfo-db-import/oe_test_osinfo-db-import.sh
@@ -22,7 +22,7 @@ source "$OET_PATH/libs/locallibs/common_lib.sh"
 function pre_test() {
     LOG_INFO "Start to prepare the test environment."
     DNF_INSTALL "osinfo-db-tools"
-    pwd=`pwd`
+    pwd=$(pwd)
     LOG_INFO "Finish preparing the test environment."
 }
 
@@ -32,19 +32,19 @@ function run_test() {
     osinfo-db-import --local osinfo-db-20230308.tar.xz
     CHECK_RESULT $? 0 0 "Failed to import data"
     mkdir testdir
-    cd testdir
+    cd testdir || exit
     osinfo-db-export
     CHECK_RESULT $? 0 0 "Failed to export data"
-    test -e osinfo-db-20230331.tar.xz
+    test -e osinfo-db-20230308.tar.xz
     CHECK_RESULT $? 0 0 "Export file does not exist"
     LOG_INFO "End of the test."
 }
 
 function post_test() {
     LOG_INFO "Start to restore the test environment."
-    cd $pwd
+    cd "$pwd" || exit
     rm -rf testdir osinfo-db-20230308.tar.xz
-    DNF_REMOVE
+    DNF_REMOVE "$@"
     LOG_INFO "Finish restoring the test environment."
 }
 
diff --git a/testcases/cli-test/nototools/oe_test_nototools_0.2.17_notodiff/oe_test_nototools_0.2.17_notodiff.sh b/testcases/cli-test/nototools/oe_test_nototools_0.2.17_notodiff/oe_test_nototools_0.2.17_notodiff.sh
index 2b8665d8a1cc7b9425f73d167cabcef6a77ac1f0..5c99e9bbd6c2ebbb3c5c0cf2c9aa9ccdd91c2da4 100644
--- a/testcases/cli-test/nototools/oe_test_nototools_0.2.17_notodiff/oe_test_nototools_0.2.17_notodiff.sh
+++ b/testcases/cli-test/nototools/oe_test_nototools_0.2.17_notodiff/oe_test_nototools_0.2.17_notodiff.sh
@@ -17,8 +17,10 @@
 # @License   :   Mulan PSL v2
 # @Desc      :   TEST notodiff in nototools options
 # #############################################
+# shellcheck disable=SC1091
 
-source ${OET_PATH}/libs/locallibs/common_lib.sh
+source "${OET_PATH}"/libs/locallibs/common_lib.sh
+source ../common/common.sh
 
 # Preloaded data, parameter configuration
 function config_params() {
@@ -53,60 +55,60 @@ function run_test() {
     CHECK_RESULT $? 0 0 "option: --help error"
 
     #Test the --before,--after parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --before,--after error"
     
     #Test the -t parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -t area | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -t area | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: -t area error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --diff-type shape | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --diff-type shape | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --diff-type shape error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -t area-shape-product | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -t area-shape-product | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: -t area-shape-product error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --diff-type rendered | grep -q "3 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --diff-type rendered | grep -q "3 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --diff-type rendered error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -t gsub | grep -q "9 differences in GSUB rules"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -t gsub | grep -q "9 differences in GSUB rules"
     CHECK_RESULT $? 0 0 "option: -t gsub error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --diff-type gpos | grep -qE "115 differences in mark-to-mark positioning rule coverage|0 differences in mark-to-mark positioning rule values"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --diff-type gpos | grep -qE "115 differences in mark-to-mark positioning rule coverage|0 differences in mark-to-mark positioning rule values"
     CHECK_RESULT $? 0 0 "option: --diff-type gpos error"
 
     #Test the -m parameter
-    notodiff --before test_input/test_input_1 --after test_input/test_input_2 -m *.ttf | grep -q "17 differences in glyph shape"
+    notodiff  -- *glob* test_input/test_input_1 test_input/test_input_2 -m *.ttf | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: -m error"
-    notodiff --before test_input/test_input_1 --after test_input/test_input_2 --match *.ttf | grep -q "17 differences in glyph shape"
+    notodiff -- *glob* test_input/test_input_1 test_input/test_input_2 --match *.ttf | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --match error"
 
     #Test the -l parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -l 10 | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -l 10 | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: -l error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --out-lines 10 | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --out-lines 10 | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --out-lines error"
 
     #Test the -w parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -w ${MISS_LIST} | grep -q "15 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -w "${MISS_LIST}" | grep -q "15 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: -w error"
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --allowlist ${MISS_LIST} | grep -q "15 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --allowlist "${MISS_LIST}" | grep -q "15 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --allowlist error"
 
     #Test the --font-size parameter
     for i in "64" "128"
     do
-        notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -t rendered --font-size ${i} | grep -q "3 differences in glyph shape"
+        notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -t rendered --font-size ${i} | grep -q "3 differences in glyph shape"
         CHECK_RESULT $? 0 0 "option: --font-size ${i} error"
     done
     
     #Test the --render-path parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} -t rendered  --render-path ${TMP_DIR} | grep -q "3 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" -t rendered  --render-path "${TMP_DIR}" | grep -q "3 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --render-path error"
 
     #Test the --diff-threshold parameter
-    notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --diff-threshold 1 | grep -q "17 differences in glyph shape"
+    notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --diff-threshold 1 | grep -q "17 differences in glyph shape"
     CHECK_RESULT $? 0 0 "option: --diff-threshold error"
 
     #Test the --verbose parameter
     for i in "debug" "info" "warning" "critical" "error"
     do
-        notodiff --before test_input/test_input_1/${TEST_FILE_1} --after test_input/test_input_1/${TEST_FILE_2} --verbose ${i} | grep -q "17 differences in glyph shape"
+        notodiff --before test_input/test_input_1/"${TEST_FILE_1}" --after test_input/test_input_1/"${TEST_FILE_2}" --verbose ${i} | grep -q "17 differences in glyph shape"
         CHECK_RESULT $? 0 0 "option: --verbose ${i} error"
     done
 
@@ -117,7 +119,7 @@ function run_test() {
 function post_test() {
     LOG_INFO "Start to restore the test environment."
 
-    rm -rf ${TMP_DIR}
+    rm -rf "${TMP_DIR}"
     common_post
 
     LOG_INFO "End to restore the test environment."
diff --git a/testcases/cli-test/pyyaml/oe_test_pyyaml.sh b/testcases/cli-test/pyyaml/oe_test_pyyaml.sh
index 823d802626481474fdc17d8d1993c78cb6a58bdd..00ffbd46c0e4b25ba23062c95200031edcc5de45 100644
--- a/testcases/cli-test/pyyaml/oe_test_pyyaml.sh
+++ b/testcases/cli-test/pyyaml/oe_test_pyyaml.sh
@@ -17,7 +17,7 @@
 # @Desc      :   pyyaml function verification
 # ############################################
 
-source ${OET_PATH}/libs/locallibs/common_lib.sh
+source "${OET_PATH}"/libs/locallibs/common_lib.sh
 function pre_test() {
     LOG_INFO "Start to prepare the test environment."
     DNF_INSTALL "python3-pyyaml"
@@ -39,7 +39,7 @@ function run_test() {
 
 function post_test() {
     LOG_INFO "Start to restore the test environment."
-    DNF_REMOVE
+    DNF_REMOVE "$@"
     rm -f generate.yaml
     LOG_INFO "End to restore the test environment."
 }
diff --git a/testcases/embedded-test/version_basic_tests/oe_test_version_posix_suite_test_001/oe_test_version_posix_suite_test_001.sh b/testcases/embedded-test/version_basic_tests/oe_test_version_posix_suite_test_001/oe_test_version_posix_suite_test_001.sh
index 2b10f7d018cd2e28cfce7dea9629466e4f57858c..20d8ce563b54f300b2c1925a2197af051a9dfffb 100644
--- a/testcases/embedded-test/version_basic_tests/oe_test_version_posix_suite_test_001/oe_test_version_posix_suite_test_001.sh
+++ b/testcases/embedded-test/version_basic_tests/oe_test_version_posix_suite_test_001/oe_test_version_posix_suite_test_001.sh
@@ -15,23 +15,24 @@
 #@License   	:   Mulan PSL v2
 #@Desc      	:   run posix test suite
 #####################################
+# shellcheck disable=SC1091
 
-source ../comm_lib.sh
+source ../../common_libs/comm_lib.sh
 
-CUR_DATE=`date +'%Y-%m-%d %H:%M:%S'`
+CUR_DATE=$(date +'%Y-%m-%d %H:%M:%S')
 
 # 测试对象、测试需要的工具等安装准备
 function pre_test() {
     LOG_INFO "Start to prepare the test environment."
 
-    EXECUTE_T="180m"
+  #  EXECUTE_T="180m"
 
     MAKEDIR=$(cd .. && pwd)
-    chmod 777 ${MAKEDIR}/make
+    chmod 777 "${MAKEDIR}"/make
     MAKE=${MAKEDIR}/make
 
-    timestap=`stat -c %Y tmp_test/build.log`
-    formart_date=`date '+%Y-%m-%d %H:%M:%S' -d @$timestap`
+    timestap=$(stat -c %Y tmp_test/build.log)
+    formart_date=$(date '+%Y-%m-%d %H:%M:%S' -d @"$timestap")
     date -s "$formart_date"
 
     LOG_INFO "End to prepare the test environment."
@@ -41,26 +42,26 @@ function pre_test() {
 function run_test() {
     LOG_INFO "Start to run test."
 
-    pushd tmp_test/
-    pushd posixtestsuite/
+    pushd tmp_test/ || exit
+    pushd posixtestsuite/ || exit
     POSIX_TARGET=./ ${MAKE} run-tests > ../run.log 2>&1
-    popd
+    popd || exit
 
     awk -F': ' '{if(($2=="build" && $3!="PASS") || ($2=="link" && $3!="PASS") || (($2=="execution" && $3=="PASS"))) print $1}' build.log >  skip.name
     cat ../ignore.out >> skip.name
     awk -F': ' '{if($2=="execution" && $3!="PASS") print $1}' run.log > fail.name
 
-    while read line || [[ -n $line ]]; do
-        grep -q $line skip.name
-        if [ $? -eq 0 ]; then
+    while read -r line || [[ -n $line ]]; do
+        grep -q "$line" skip.name
+        if mycmd; then
             continue
         fi
         # 单独再执行一次
-        ./posixtestsuite/$line.test
+        ./posixtestsuite/"$line".test
         CHECK_RESULT $? 0 0 "run posix testcase fail case name: $line"
     done < fail.name
 
-    popd
+    popd || exit
 
     LOG_INFO "End to run test."
 }