diff --git a/cloudcontainers/app/database.py b/cloudcontainers/app/database.py
index ca4b3a5..5e5ba94 100644
--- a/cloudcontainers/app/database.py
+++ b/cloudcontainers/app/database.py
@@ -5,6 +5,8 @@ import pymysql
 
 # SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db"
 # 从docker访问ip需要 mysql服务端允许外部访问=> 参考地址:https://blog.csdn.net/weixin_42599091/article/details/125224850
+
+# 根据环境变量区分本地和生产
 SQLALCHEMY_DATABASE_URL = "mysql+pymysql://root:Xiao4669805@192.168.31.245:3306/test"
 
 # SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} #sqlite