diff --git a/docker-compose.gateway.yml b/docker-compose.gateway.yml
index c86197a..39a4fc3 100644
--- a/docker-compose.gateway.yml
+++ b/docker-compose.gateway.yml
@@ -12,7 +12,6 @@ services:
       - .env
     environment:
       DATA_DIR: /var/lib/vpn-proxy
-      SING_BOX_CONFIG: /etc/sing-box/config.json
       SING_BOX_CACHE: /var/lib/sing-box/cache.db
     volumes:
       - vpn-proxy-data:/var/lib/vpn-proxy
diff --git a/src/server/config.js b/src/server/config.js
index 4f98e5f..f5bd90e 100644
--- a/src/server/config.js
+++ b/src/server/config.js
@@ -9,7 +9,7 @@ export const settings = {
   bindIp: process.env.PROXY_BIND_IP || "127.0.0.1",
   dataDir,
   distDir: process.env.DIST_DIR || "/app/dist",
-  configPath: process.env.SING_BOX_CONFIG || "/etc/sing-box/config.json",
+  configPath: process.env.SING_BOX_CONFIG || path.join(dataDir, "sing-box-config.json"),
   cachePath: process.env.SING_BOX_CACHE || "/var/lib/sing-box/cache.db",
   statePath: path.join(dataDir, "state.json"),
   customRulesPath: path.join(dataDir, "custom-rules.json"),