diff --git a/reset_eval/reset_jetbrains_eval_mac_linux.sh b/reset_eval/reset_jetbrains_eval_mac_linux.sh
index b0639f9..329be9d 100755
--- a/reset_eval/reset_jetbrains_eval_mac_linux.sh
+++ b/reset_eval/reset_jetbrains_eval_mac_linux.sh
@@ -4,31 +4,31 @@
 OS_NAME=$(uname -s)
 JB_PRODUCTS="IntelliJIdea CLion PhpStorm GoLand PyCharm WebStorm Rider DataGrip RubyMine AppCode"
 
-if [ $OS_NAME == "Darwin" ]; then
-	echo 'macOS:'
+if [ "$OS_NAME" == "Darwin" ]; then
+  echo 'macOS:'
 
-	for PRD in $JB_PRODUCTS; do
-    	rm -rf ~/Library/Preferences/${PRD}*/eval
-    	rm -rf ~/Library/Application\ Support/JetBrains/${PRD}*/eval
-	done
+  for PRD in $JB_PRODUCTS; do
+    rm -rf ~/Library/Preferences/"${PRD}"*/eval
+    rm -rf ~/Library/Application\ Support/JetBrains/"${PRD}"*/eval
+  done
 
-	plutil -remove "/.JetBrains\.UserIdOnMachine" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
-    plutil -remove "/.jetbrains/.user_id_on_machine" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
-    plutil -remove "/.jetbrains/.device_id" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
-elif [ $OS_NAME == "Linux" ]; then
-	echo 'Linux:'
+  plutil -remove "/.JetBrains\.UserIdOnMachine" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
+  plutil -remove "/.jetbrains/.user_id_on_machine" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
+  plutil -remove "/.jetbrains/.device_id" ~/Library/Preferences/com.apple.java.util.prefs.plist >/dev/null
+elif [ "$OS_NAME" == "Linux" ]; then
+  echo 'Linux:'
 
-	for PRD in $JB_PRODUCTS; do
-    	rm -rf ~/.${PRD}*/config/eval
-    	rm -rf ~/.config/JetBrains/${PRD}*/eval
-	done
+  for PRD in $JB_PRODUCTS; do
+    rm -rf ~/."${PRD}"*/config/eval
+    rm -rf ~/.config/JetBrains/"${PRD}"*/eval
+  done
 
-	sed -i '/key="JetBrains\.UserIdOnMachine"/d' ~/.java/.userPrefs/prefs.xml
-	sed -i '/key="device_id"/d' ~/.java/.userPrefs/jetbrains/prefs.xml
-	sed -i '/key="user_id_on_machine"/d' ~/.java/.userPrefs/jetbrains/prefs.xml
+  sed -i '/key="JetBrains\.UserIdOnMachine"/d' ~/.java/.userPrefs/prefs.xml
+  sed -i '/key="device_id"/d' ~/.java/.userPrefs/jetbrains/prefs.xml
+  sed -i '/key="user_id_on_machine"/d' ~/.java/.userPrefs/jetbrains/prefs.xml
 else
-	echo 'unsupport'
-	exit
+  echo 'unsupport'
+  exit
 fi
 
 echo 'done.'