diff --git a/.gitignore b/.gitignore
index db38427..4a3b37d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 /target
-config.toml
\ No newline at end of file
+config.toml
diff --git a/config.toml.example b/config.toml.example
index 13cc0f2..56d2e45 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -1,3 +1,5 @@
+#:schema https://raw.githubusercontent.com/eoeo-org/cloudflare-ip-address-changer-rs/refs/heads/main/schema.json
+
 [account]
 auth_key = "Cloudflare Auth Key"
 zone_id = "Cloudflare Zone ID"
diff --git a/schema.json b/schema.json
new file mode 100644
index 0000000..833cb4c
--- /dev/null
+++ b/schema.json
@@ -0,0 +1,60 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Config",
+  "type": "object",
+  "required": [
+    "account",
+    "dns"
+  ],
+  "properties": {
+    "account": {
+      "$ref": "#/definitions/AccountConfig"
+    },
+    "dns": {
+      "$ref": "#/definitions/DnsConfig"
+    }
+  },
+  "definitions": {
+    "AccountConfig": {
+      "type": "object",
+      "required": [
+        "auth_key",
+        "zone_id"
+      ],
+      "properties": {
+        "auth_key": {
+          "type": "string"
+        },
+        "zone_id": {
+          "type": "string"
+        }
+      }
+    },
+    "DnsConfig": {
+      "type": "object",
+      "required": [
+        "proxied",
+        "record",
+        "type"
+      ],
+      "properties": {
+        "proxied": {
+          "type": "boolean"
+        },
+        "record": {
+          "type": "string"
+        },
+        "type": {
+          "$ref": "#/definitions/DnsType"
+        }
+      }
+    },
+    "DnsType": {
+      "type": "string",
+      "enum": [
+        "A",
+        "AAAA"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/config.rs b/src/config.rs
index 735455e..11fb3ca 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,4 +1,4 @@
-use schemars::{schema_for, JsonSchema};
+use schemars::{gen::SchemaSettings, JsonSchema};
 use serde::{Deserialize, Serialize};
 use toml;
 
@@ -17,19 +17,19 @@ impl DnsType {
     }
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, JsonSchema)]
 pub(crate) struct Config {
     pub(crate) account: AccountConfig,
     pub(crate) dns: DnsConfig,
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
 pub(crate) struct AccountConfig {
     pub(crate) auth_key: String,
     pub(crate) zone_id: String,
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
 pub(crate) struct DnsConfig {
     pub(crate) record: String,
     pub(crate) r#type: DnsType,
@@ -43,3 +43,12 @@ impl Config {
         config
     }
 }
+
+pub fn generate_schema(is_debug: bool) {
+    let generator = SchemaSettings::draft07().into_generator();
+    let my_schema = generator.into_root_schema_for::<Config>();
+
+    if is_debug {
+        std::fs::write("schema.json", serde_json::to_string_pretty(&my_schema).unwrap()).unwrap();
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index e0932f6..8529121 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -33,6 +33,9 @@ async fn fetch_ip(client: &Client, url: &str) -> Result<String, Box<dyn Error>>
 
 #[tokio::main]
 async fn main() {
+    let is_debug = cfg!(debug_assertions);
+    config::generate_schema(is_debug);
+
     let client = Client::new();
 
     let mut config: Config = Config::new();