diff --git a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug01.sh b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug01.sh
index e1debc37c39ae75e75291c024fa8cf1dac8b2e7f..d15cd196c552fcbd9bec2a007a141edbdfffc798 100644
--- a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug01.sh
+++ b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug01.sh
@@ -58,7 +58,7 @@ do_test()
 		echo 0 > /sys/devices/system/cpu/cpu$i/online
 		cat /dev/cpuset/hotplug01/cpuset.cpus
 		cpu_set=$(cat /dev/cpuset/hotplug01/cpuset.cpus)
-		if [ $cpu_set == '0-3' ]; then
+		if [ "$cpu_set" == '0-3' ]; then
 			tst_res TINFO "hotplug01 cpu$i offline cpuset decouple success"
 		else
 			tst_res TINFO "hotplug01 cpu$i offline cpuset decouple fail"
diff --git a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug02.sh b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug02.sh
index d48737138a71104a14737a75d407df96e83a57b0..3e8f31eabd1e6b5483d7805376cea38a95342660 100644
--- a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug02.sh
+++ b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug02.sh
@@ -59,7 +59,7 @@ do_test()
 	cat /dev/cpuset/hotplug02/cpuset.cpus
 	cpu_set=$(cat /dev/cpuset/hotplug02/cpuset.cpus)
 
-	if [ $cpu_set == '1' ]; then
+	if [ "$cpu_set" == '1' ]; then
 		tst_res TINFO "hotplug02 cpu1 offline cpuset decouple success"
 	else
 		tst_res TINFO "hotplug02 cpu1 offline cpuset decouple fail"
diff --git a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug03.sh b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug03.sh
index f7bdbfe5c324f1a3d871554d2c18905e5c90de9a..738c50f053cfbf757154fac7b71b3bb96969fb7b 100644
--- a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug03.sh
+++ b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug03.sh
@@ -53,7 +53,7 @@ do_test()
 	echo "0-3" > /dev/cpuset/hotplug03/cpuset.cpus
 	cat /dev/cpuset/hotplug03/cpuset.cpus
 	cpu_set=$(cat /dev/cpuset/hotplug03/cpuset.cpus)
-	if [ $cpu_set == '0-3' ]; then
+	if [ "$cpu_set" == '0-3' ]; then
 		tst_res TINFO "hotplug03 cpu2 cpu3 offline cpuset decouple success"
 	else
 		tst_res TINFO "hotplug03 cpu2 cpu3 offline cpuset decouple fail"
diff --git a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug04.sh b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug04.sh
index 270f5b2cf63bd9c0bacf164d90f60cda717ba845..a6a8203a1670057ca7522051027c2af5b8d3469d 100644
--- a/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug04.sh
+++ b/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/cpusetdecouple_cpuhotplug04.sh
@@ -58,7 +58,7 @@ do_test()
 		echo 0 > /sys/devices/system/cpu/cpu$i/online #offline cpu$i
 		cat /dev/cpuset/hotplug04/cpuset.cpus
 		cpu_set=$(cat /dev/cpuset/hotplug04/cpuset.cpus)
-		if [ $cpu_set == '0-3' ]; then
+		if [ "$cpu_set" == '0-3' ]; then
 			tst_res TINFO "hotplug04 cpu$i offline cpuset decouple success"
 		else
 			tst_res TINFO "hotplug04 cpu$i offline cpuset decouple fail"
diff --git a/test/moduletest/runtest/lib/tst_oh.sh b/test/moduletest/runtest/lib/tst_oh.sh
index adc93e37c684f850fbdb3a4cc13024697e81621a..6a4717f66ea7c2bc5e5f413c376e9650c3a474ef 100644
--- a/test/moduletest/runtest/lib/tst_oh.sh
+++ b/test/moduletest/runtest/lib/tst_oh.sh
@@ -127,7 +127,7 @@ tst_res()
     TST_COUNT=$(($TST_COUNT+1))
 
     _tst_inc_ret "$res"
-    printf "$TST_ID $TST_COUNT `date` "
+    printf "$TST_ID $TST_COUNT $(date) "
     tst_print_colored $res "$res: "
     echo "$@"
 }
@@ -177,7 +177,7 @@ tst_judged_fail()
 
 get_product()
 {
-    echo `uname -a | awk '{printf $NF}'`
+    echo $(uname -a | awk '{printf $NF}')
 }
 
 if [ -z "$TST_TD" ]; then