diff --git a/README.md b/README.md
index 4daa262..220285f 100644
--- a/README.md
+++ b/README.md
@@ -27,11 +27,11 @@
 STORAGE_TYPE=local  # 可选值: cos(腾讯云), oss(阿里云), local(本地存储)
 
 # COS 配置 (腾讯云对象存储)
-COS_SECRET_ID=AKIDCGvLmwUmQr3RxKACF1XKrGb1FFA1I2D8
-COS_SECRET_KEY=1TYMagMxIxRFMNQEYcQxEhvyuiEY4mIa
-COS_BUCKET=qimai-1251581441
-COS_REGION=ap-shanghai
-COS_DOMAIN=https://qimai-1251581441.cos.ap-shanghai.myqcloud.com/
+COS_SECRET_ID=
+COS_SECRET_KEY=
+COS_BUCKET=
+COS_REGION=
+COS_DOMAIN=
 
 # OSS 配置 (阿里云对象存储)
 OSS_REGION=oss-cn-hangzhou