diff --git a/tools/deploy/clear.sh b/tools/deploy/clear.sh
index 5a956624a59480a91fe4f7fce960c7fa8a5c66be..ebedd41110a3333d79bfaa2444e7ca57c6578c17 100755
--- a/tools/deploy/clear.sh
+++ b/tools/deploy/clear.sh
@@ -16,7 +16,7 @@ fi
 export APP_HOME=${APP_HOME}
 
 del_app_home() {
-    rm -rf ${APP_HOME}
+    rm -rf "${APP_HOME}"
 }
 
 del_conf() {
@@ -35,7 +35,7 @@ stop_server() {
 }
 
 clear_server() {
-   bash -x ${APP_HOME}/init_scripts/server/clear.sh
+   bash -x "${APP_HOME}"/init_scripts/server/clear.sh
 }
 
 
diff --git a/tools/deploy/deploy.sh b/tools/deploy/deploy.sh
index b13873a7b219b40d4c9e40ebc931f20faa5315ca..0c8e8631f17d0dc88c92badac602049fdb9db8bd 100755
--- a/tools/deploy/deploy.sh
+++ b/tools/deploy/deploy.sh
@@ -49,21 +49,21 @@ if [ "$UID" -ne 0 ]; then
     exit 1
 fi
 
-mkdir -p ${SERVER_HOME}
+mkdir -p "${SERVER_HOME}"
 
 update_target() {
     if [ -d "${TARGET_PATH}" ]; then
-        rm -rf ${TARGET_PATH}
+        rm -rf "${TARGET_PATH}"
     fi
-    mkdir -p ${TARGET_PATH}
+    mkdir -p "${TARGET_PATH}"
     echo "INFO: copy project file..."
-    cp -r ${SERVER_DIR} ${WEB_DIR} ${CONF_DIR} ${TARGET_PATH}
-    cp -r ${SCRIPT_DIR} ${APP_HOME}/init_scripts
+    cp -r "${SERVER_DIR}" "${WEB_DIR}" "${CONF_DIR}" "${TARGET_PATH}"
+    cp -r "${SCRIPT_DIR}" "${APP_HOME}"/init_scripts
     cp tools/deploy/sysom-server.service /usr/lib/systemd/system/
 }
 
 start_script_server() {
-    bash -x ${APP_HOME}/init_scripts/server/init.sh
+    bash -x "${APP_HOME}"/init_scripts/server/init.sh
 }
 
 deploy() {