diff --git a/services/v2ray/types/config.go b/services/v2ray/types/config.go
new file mode 100644
index 0000000..9823ef0
--- /dev/null
+++ b/services/v2ray/types/config.go
@@ -0,0 +1,142 @@
+package types
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"strings"
+	"text/template"
+)
+
+var (
+	configTemplate = strings.TrimSpace(`
+{
+    "api": {
+        "services": [
+            "StatsService"
+        ],
+        "tag": "api"
+    },
+    "inbounds": [
+        {
+            "listen": "127.0.0.1",
+            "port": {{ .API.Port }},
+            "protocol": "dokodemo-door",
+            "settings": {
+                "address": "127.0.0.1"
+            },
+            "tag": "api"
+        },
+        {
+            "listen": "127.0.0.1",
+            "port": {{ .Proxy.Port }},
+            "protocol": "socks",
+            "settings": {
+                "ip": "127.0.0.1",
+                "udp": true
+            },
+            "sniffing": {
+                "destOverride": [
+                    "http",
+                    "tls"
+                ],
+                "enabled": true
+            },
+            "tag": "proxy"
+        }
+    ],
+    "log": {
+        "loglevel": "none"
+    },
+    "outbounds": [
+        {
+            "protocol": "vmess",
+            "settings": {
+                "vnext": [
+                    {
+                        "address": "{{ .VMess.Address }}",
+                        "port": {{ .VMess.Port }},
+                        "users": [
+                            {
+                                "alterId": 0,
+                                "id": "{{ .VMess.ID }}"
+                            }
+                        ]
+                    }
+                ]
+            },
+            "streamSettings": {
+                "network": "{{ .VMess.Transport }}"
+            },
+            "tag": "vmess"
+        }
+    ],
+    "policy": {
+        "levels": {
+            "0": {
+                "downlinkOnly": 0,
+                "uplinkOnly": 0
+            }
+        },
+        "system": {
+            "statsOutboundDownlink": true,
+            "statsOutboundUplink": true
+        }
+    },
+    "routing": {
+        "rules": [
+            {
+                "inboundTag": [
+                    "api"
+                ],
+                "outboundTag": "api",
+                "type": "field"
+            }
+        ]
+    },
+    "stats": {},
+    "transport": {
+        "dsSettings": {},
+        "grpcSettings": {},
+        "gunSettings": {},
+        "httpSettings": {},
+        "kcpSettings": {},
+        "quicSettings": {
+            "security": "chacha20-poly1305"
+        },
+        "tcpSettings": {},
+        "wsSettings": {}
+    }
+}
+	`)
+)
+
+type Config struct {
+	API struct {
+		Port uint16 `json:"port"`
+	} `json:"api"`
+	Proxy struct {
+		Port uint16 `json:"port"`
+	} `json:"proxy"`
+	VMess struct {
+		Address   string `json:"address"`
+		ID        string `json:"id"`
+		Port      uint16 `json:"port"`
+		Transport string `json:"transport"`
+	} `json:"vmess"`
+}
+
+func (c *Config) WriteToFile(dir string) error {
+	t, err := template.New("config_v2ray_json").Parse(configTemplate)
+	if err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	if err = t.Execute(&buf, c); err != nil {
+		return err
+	}
+
+	cfgFilePath := filepath.Join(dir, ConfigFileName)
+	return os.WriteFile(cfgFilePath, buf.Bytes(), 0600)
+}
diff --git a/services/v2ray/types/keys.go b/services/v2ray/types/keys.go
new file mode 100644
index 0000000..d4993db
--- /dev/null
+++ b/services/v2ray/types/keys.go
@@ -0,0 +1,5 @@
+package types
+
+const (
+	ConfigFileName = "v2ray_config.json"
+)