diff --git a/common/src/config.rs b/common/src/config.rs
index 33e7b0ea2..88e1f46bd 100644
--- a/common/src/config.rs
+++ b/common/src/config.rs
@@ -58,8 +58,11 @@ impl Default for Config {
             })
             .collect::<Vec<String>>()
             .join("\n");
-
-        let config_path = base_dir.join("config.toml");
+        
+        // default config path: $MEGA_BASE_DIR/etc/config.toml
+        // ensure the directory exists
+        std::fs::create_dir_all(base_dir.join("etc")).unwrap();
+        let config_path = base_dir.join("etc").join("config.toml");
         std::fs::write(&config_path, default_config).unwrap();
         eprintln!("create default config.toml in {:?}", &config_path);
 
diff --git a/docker/README.md b/docker/README.md
index 907727e54..f0701f0da 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -24,7 +24,7 @@ docker buildx build -t mega-moon:0.1-pre-release -f ./docker/mega_moon_dockerfil
 # create network
 docker network create mega-network
 
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega mega-mono:0.1-pre-release
 docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:0.1-pre-release
 ```
 
@@ -45,7 +45,7 @@ docker run --rm -it -d --network mega-network --name mega-db mega-db:0.1-pre-rel
 [2] create default config
 
 ```bash
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega mega-mono:0.1-pre-release
 docker stop mega-mono
 ```
 
@@ -65,6 +65,6 @@ db_url = "postgres://mega:mega@mega-db:5432/mega"
 [4] Start the mono again, and run the frontend.
 
 ```bash
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega mega-mono:0.1-pre-release
 docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:0.1-pre-release
 ```
\ No newline at end of file
diff --git a/docker/start_mono.sh b/docker/start_mono.sh
index fcf450684..f5382c885 100755
--- a/docker/start_mono.sh
+++ b/docker/start_mono.sh
@@ -6,7 +6,7 @@ CONFIG_FILE="$MEGA_BASE_DIR/etc/config.toml"
 # check if config file exists
 if [ -f "$CONFIG_FILE" ]; then
     echo "Using config file: $CONFIG_FILE"
-    exec /usr/local/bin/mono -c "$CONFIG_FILE"  service http --host 0.0.0.0
+    exec /usr/local/bin/mono -c "$CONFIG_FILE"  service multi --host 127.0.0.1 --ssh-port 22
 else
-    exec /usr/local/bin/mono service http --host 0.0.0.0
+    exec /usr/local/bin/mono service multi --host 127.0.0.1 --ssh-port 22
 fi
\ No newline at end of file