diff --git a/config/server/dynamic/quic.json b/config/server/dynamic/quic.json
index 16911b4..dad9718 100644
--- a/config/server/dynamic/quic.json
+++ b/config/server/dynamic/quic.json
@@ -23,7 +23,6 @@
 			"streamSettings": {
 				"network": "quic",
 				"quicSettings": {
-					"security": "aes-128-gcm",
 					"key": "",
 					"header": {
 						"type": "none"
@@ -56,7 +55,6 @@
             "streamSettings": {
 				"network": "quic",
 				"quicSettings": {
-					"security": "aes-128-gcm",
 					"key": "",
 					"header": {
 						"type": "none"
diff --git a/config/server/quic.json b/config/server/quic.json
index 2379fd1..4da010a 100644
--- a/config/server/quic.json
+++ b/config/server/quic.json
@@ -20,7 +20,6 @@
 			"streamSettings": {
 				"network": "quic",
 				"quicSettings": {
-					"security": "aes-128-gcm",
 					"key": "",
 					"header": {
 						"type": "none"
diff --git a/v2ray.sh b/v2ray.sh
index 15bf8a0..4532b63 100644
--- a/v2ray.sh
+++ b/v2ray.sh
@@ -10,7 +10,7 @@ none='\e[0m'
 # Root
 [[ $(id -u) != 0 ]] && echo -e " 哎呀……请使用 ${red}root ${none}用户运行 ${yellow}~(^_^) ${none}" && exit 1
 
-_version="v3.20"
+_version="v3.21"
 
 cmd="apt-get"