diff --git a/ss_whitelist/config/nginx.conf b/ss_whitelist/config/nginx.conf
index fd8e143..229b40d 100644
--- a/ss_whitelist/config/nginx.conf
+++ b/ss_whitelist/config/nginx.conf
@@ -85,7 +85,7 @@ http {
     server{
         listen 80;
         listen [::]:80 ipv6only=on;
-        location / {
+        location = / {
             auth_basic "";
             auth_basic_user_file /etc/openresty/auth;
             add_header Content-Type text/plain;
@@ -121,7 +121,7 @@ http {
             add_header Content-Type text/plain;
             content_by_lua_block {
                 ngx.header.content_type = "text/plain;charset=UTF-8";
-                file = io.open("/etc/openresty/allow.list","w")
+                file = io.open("/etc/openresty/allow.list","w+")
                 ngx.print("IP列表已被清空")
                 io.close(file)
                 os.execute("/usr/local/openresty/nginx/sbin/nginx -s reload")