diff --git a/scripts/distill/set_public.py b/scripts/distill/set_public.py
new file mode 100644
index 0000000..ae9f7b9
--- /dev/null
+++ b/scripts/distill/set_public.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+"""Set COS models directory to public read"""
+import os, json
+os.environ['ZY_OSS_KEY'] = 'AKIDkQuBQhoiS2OYXWebXLwMbdT7cvAScbbU'
+os.environ['ZY_OSS_SECRET'] = 'nPoZKArgUJBA4nJenjSxJSQBj5FCj3A4'
+from qcloud_cos import CosConfig, CosS3Client
+cfg = CosConfig(Region='ap-guangzhou', SecretId=os.environ['ZY_OSS_KEY'], SecretKey=os.environ['ZY_OSS_SECRET'])
+client = CosS3Client(cfg)
+bkt = 'sy-finetune-corpus-1317346199'
+policy = {
+    'Version': '2012-10-17',
+    'Statement': [{
+        'Effect': 'Allow',
+        'Principal': {'qcs': ['qcs::cam::anonymous:anonymous']},
+        'Action': ['name/cos:GetObject'],
+        'Resource': ['qcs::cos:ap-guangzhou:uid/1317346199:sy-finetune-corpus-1317346199/models/*']
+    }]
+}
+client.put_bucket_policy(Bucket=bkt, Policy=json.dumps(policy))
+print('OK: models/* public read')