diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt
index 1509cecf..2f84c81d 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt
@@ -189,8 +189,8 @@ object AppConfig {
     const val MSG_SUB_UPDATE_CANCEL = 81
 
     /** Notification channel IDs and names. */
-    const val RAY_NG_CHANNEL_ID = "RAY_NG_M_CH_ID"
-    const val RAY_NG_CHANNEL_NAME = "v2rayNG Background Service"
+    const val RAY_NG_CHANNEL_ID = "CORE_M_CH_ID"
+    const val RAY_NG_CHANNEL_NAME = "Core Background Service"
 
     /** Protocols Scheme **/
     const val VMESS = "vmess://"
@@ -214,24 +214,24 @@ object AppConfig {
     const val VPN_MTU = 1500
 
     /** Root (system-wide) mode runtime constants. */
-    const val ROOT_RUNTIME_DIR = "root"
-    const val ROOT_IPTABLES_CHAIN = "V2RAY_NG"
+    const val ROOT_RUNTIME_DIR = "sys_cache"
+    const val ROOT_IPTABLES_CHAIN = "CORE_FILTER"
     const val ROOT_FWMARK = 255            // defensive RETURN tag; hev's only upstream socket is loopback (already bypassed)
     const val ROOT_MARK_ROUTE = 1          // packets we want pushed into the tun device
     const val ROOT_ROUTE_TABLE = 2024
     const val ROOT_RULE_PRIORITY = 1000
-    const val ROOT_TUN_NAME = "v2raytun0"
+    const val ROOT_TUN_NAME = "utun7788"
     const val ROOT_TUN_ADDR_V4 = "198.18.0.1/15"
     const val ROOT_TUN_ADDR_V6 = "fdfe:dcba:9876::1/64"
 
     // hev-socks5-tunnel run as a standalone root binary (reuses the same project already
     // bundled for the VPN hev path; distinct filename from the JNI lib to avoid collision).
     const val ROOT_TUN2SOCKS_BIN = "libhevsockstun.so"
-    const val ROOT_FWD_CHAIN = "V2RAY_NG_FWD"   // FORWARD chain for LAN/tethering sharing
-    const val ROOT_DNS_CHAIN = "V2RAY_NG_DNS"   // nat chain for tethered-client DNS DNAT
-    const val ROOT_V6_CHAIN = "V2RAY_NG6"       // ip6tables filter/OUTPUT chain: blackhole native IPv6 when it isn't tunneled
-    const val ROOT_V6_FWD_CHAIN = "V2RAY_NG6_FWD" // ip6tables FORWARD chain: route or reject tethered clients' native IPv6
-    const val ROOT_V6_PRE_CHAIN = "V2RAY_NG6_PRE" // ip6tables mangle/PREROUTING chain: mark forwarded clients' IPv6 into the tun
+    const val ROOT_FWD_CHAIN = "CORE_FWD"   // FORWARD chain for LAN/tethering sharing
+    const val ROOT_DNS_CHAIN = "CORE_DNS"   // nat chain for tethered-client DNS DNAT
+    const val ROOT_V6_CHAIN = "CORE6_FILTER"       // ip6tables filter/OUTPUT chain: blackhole native IPv6 when it isn't tunneled
+    const val ROOT_V6_FWD_CHAIN = "CORE6_FWD" // ip6tables FORWARD chain: route or reject tethered clients' native IPv6
+    const val ROOT_V6_PRE_CHAIN = "CORE6_PRE" // ip6tables mangle/PREROUTING chain: mark forwarded clients' IPv6 into the tun
     const val ROOT_LAN_DNS = "1.1.1.1"          // fallback resolver for tethered clients when no plain-IPv4 DNS is configured
     const val ROOT_OOM_SCORE = "-1000"          // oom_score_adj that makes the LMK never kill us