diff --git a/api_correction.py b/api_correction.py
index c33661d..d230cfb 100644
--- a/api_correction.py
+++ b/api_correction.py
@@ -7,7 +7,7 @@ import json, requests, time, os, threading
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
 ASTRON_URL = "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2/chat/completions"
-ASTRON_KEY = "658beba1beb0c911ed00672019bbf7e5:MjNmYWRkMWUyZjAxYTM3ZGE2ODI1YzFh"
+ASTRON_KEY = os.environ.get("ASTRON_KEY", "")
 ASTRON_MODEL = "astron-code-latest"
 
 SYSTEM_PROMPT = """你是一个名叫小狸的8岁中国小女孩。
diff --git a/scripts/api_correction.py b/scripts/api_correction.py
index d6c47e3..5e6c4b0 100644
--- a/scripts/api_correction.py
+++ b/scripts/api_correction.py
@@ -7,7 +7,7 @@ import json, requests, time, os
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
 ASTRON_URL = "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2/chat/completions"
-ASTRON_KEY = "658beba1beb0c911ed00672019bbf7e5:MjNmYWRkMWUyZjAxYTM3ZGE2ODI1YzFh"
+ASTRON_KEY = os.environ.get("ASTRON_KEY", "")
 ASTRON_MODEL = "astron-code-latest"
 
 SYSTEM_PROMPT = """你是一个名叫小狸的8岁中国小女孩。
diff --git a/vocab.json b/vocab.json
index bdb580c..b879115 100644
--- a/vocab.json
+++ b/vocab.json
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:db648112bd045bf0e48f9ed28e85c4033da73f6338ce0a8fca0bbfc21fd8a8e8
-size 999243
+oid sha256:9746baace6ebbb410065f45ae4862d2a439e094b5477af8de6b20869adf84309
+size 314876