diff --git a/server/conf/server-sample.toml b/server/conf/server-sample.toml
index ac9feb8..bd31f84 100644
--- a/server/conf/server-sample.toml
+++ b/server/conf/server-sample.toml
@@ -7,7 +7,7 @@
 db_type = "sqlite3"
 db_source = "./conf/anylink.db"
 #证书文件 使用跟nginx一样的证书即可
-cert_file = "./conf/vpn_cert.crt"
+cert_file = "./conf/vpn_cert.pem"
 cert_key = "./conf/vpn_cert.key"
 files_path = "./conf/files"
 profile = "./conf/profile.xml"
diff --git a/server/conf/server.toml b/server/conf/server.toml
index 17340ec..248b94c 100644
--- a/server/conf/server.toml
+++ b/server/conf/server.toml
@@ -7,7 +7,7 @@
 db_type = "sqlite3"
 db_source = "./conf/anylink.db"
 #证书文件
-cert_file = "./conf/vpn_cert.crt"
+cert_file = "./conf/vpn_cert.pem"
 cert_key = "./conf/vpn_cert.key"
 files_path = "./conf/files"
 log_level = "debug"
diff --git a/server/conf/vpn_cert.crt b/server/conf/vpn_cert.pem
similarity index 100%
rename from server/conf/vpn_cert.crt
rename to server/conf/vpn_cert.pem