diff --git a/scripts/make_dev_link.py b/scripts/make_dev_link.py
index 07b720c..0f24086 100644
--- a/scripts/make_dev_link.py
+++ b/scripts/make_dev_link.py
@@ -1,12 +1,25 @@
 import os
+import sys
 import json
-from argparse import ArgumentParser
+
+# check path, must be in root folder
+if not os.path.exists('plugin.json'):
+    os.chdir('..')
+    if not os.path.exists('plugin.json'):
+        print('plugin.json not found, exit')
+        sys.exit()
 
 # 1. Read plugin_dir
-parser = ArgumentParser()
-parser.add_argument('plugin_dir')
-args = parser.parse_args()
-plugin_dir = args.plugin_dir
+plugin_dir = ''
+if len(sys.argv) > 1:
+    plugin_dir = sys.argv[1]
+while not os.path.exists(plugin_dir):
+    plugin_dir = input('Please input the directory of siyuan/data/plugins: ')
+    if plugin_dir == 'exit' or plugin_dir == 'quit' or plugin_dir == 'q':
+        sys.exit()
+    if not os.path.exists(plugin_dir):
+        print('plugin_dir not found!')
+        continue
 
 # 2. Read name in plugin.json
 with open('plugin.json', 'r', encoding='utf-8') as f:
@@ -16,7 +29,7 @@ name = content.get('name')
 # ...error if name not found
 if not name or name == '':
     print('"name" in plugin.json not found, exit')
-    exit()
+    sys.exit()
     
 dev_dir = os.path.abspath('dev')
 if not os.path.exists(dev_dir):
@@ -29,4 +42,4 @@ if not os.path.exists(os.path.join(plugin_dir, name)):
     print('Symlink created:', link)
 else:
     print('Folder already exists, exit')
-    exit()
+    sys.exit()