diff --git a/.ci/github-upload.sh b/.ci/github-upload.sh
index 89428fe17e..53d3d09895 100755
--- a/.ci/github-upload.sh
+++ b/.ci/github-upload.sh
@@ -24,7 +24,7 @@ curl -s \
 cat release.json
 id=$(grep '"id"' release.json | cut -d ':' -f2 | head -n1 | awk '{$1=$1;print}')
 id=${id%?}
-echo ${id:?}
+echo "${id:?}"
 
 upload_file()
 {
diff --git a/.ci/setup-windows.sh b/.ci/setup-windows.sh
index adbb2d61af..3cab45efae 100755
--- a/.ci/setup-windows.sh
+++ b/.ci/setup-windows.sh
@@ -10,7 +10,7 @@ PR_NUMBER="$SYSTEM_PULLREQUEST_PULLREQUESTID"
 QT_HOST="http://mirrors.ocf.berkeley.edu/qt/"
 #QT_HOST="http://qt.mirror.constant.com/"
 QT_URL_VER=$(echo "$QT_VER" | sed "s/\.//g")
-QT_VER_MSVC_UP=$(echo ${QT_VER_MSVC} | tr '[:lower:]' '[:upper:]')
+QT_VER_MSVC_UP=$(echo "${QT_VER_MSVC}" | tr '[:lower:]' '[:upper:]')
 QT_PREFIX="online/qtsdkrepository/windows_x86/desktop/qt${QT_VER_MAIN}_${QT_URL_VER}/qt.qt${QT_VER_MAIN}.${QT_URL_VER}.win64_${QT_VER_MSVC}_64/${QT_VER}-0-${QT_DATE}"
 QT_SUFFIX="-Windows-Windows_10-${QT_VER_MSVC_UP}-Windows-Windows_10-X86_64.7z"
 QT_BASE_URL="${QT_HOST}${QT_PREFIX}qtbase${QT_SUFFIX}"