diff --git a/dist/index.d.ts b/dist/index.d.ts
index 4dc8bd1..70b7737 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -5,80 +5,69 @@
  */
 /// <reference types="node" />
 export interface Options {
-  suffix?: string;
-  fallback?: string;
-  alias?: object;
+    suffix?: string;
+    fallback?: string;
+    alias?: object;
 }
 export interface LoadOptions {
-  hash?: string | boolean;
-  query?: string | boolean;
-  env?: object | boolean;
-  argv?: string[] | boolean;
-  config?: string | boolean;
+    hash?: string | boolean;
+    query?: string | boolean;
+    env?: object | boolean;
+    argv?: string[] | boolean;
+    config?: string | boolean;
 }
 /**
  * Config Parser
  */
 export default class Config {
-  private module;
-  private prefix;
-  private suffix?;
-  private fallback?;
-  private options;
-  private alias;
-  private data;
-  private env;
-  private args;
-  private argv;
-  private pass;
-  private query;
-  private hash;
-  constructor(module: string, options?: Options);
-  private init;
-  inject(options: object): void;
-  load(options: LoadOptions): void;
-  open(file: string): void;
-  openDir(dir: string): void;
-  openJson(file: string): void;
-  saveConfigJson(file: string, data: object): void;
-  filter(name: string): Config;
-  set(key: string, value: any): void;
-  has(key: string): boolean;
-  get(key: string, fallback?: any): any;
-  typeOf(
-    key: string
-  ):
-    | "string"
-    | "number"
-    | "bigint"
-    | "boolean"
-    | "symbol"
-    | "undefined"
-    | "object"
-    | "function"
-    | "null";
-  str(key: string, fallback?: any): any;
-  int(key: any, fallback?: any): any;
-  uint(key: any, fallback?: any): any;
-  float(key: any, fallback?: any): any;
-  ufloat(key: any, fallback?: any): any;
-  fixed(key: any, exp: any, fallback?: any): any;
-  ufixed(key: any, exp: any, fallback?: any): any;
-  bool(key: any, fallback?: any): any;
-  buf(key: string, fallback?: any, enc?: BufferEncoding): any;
-  array(key: string, fallback?: any): any;
-  obj(key: string, fallback?: any): any;
-  func(key: string, fallback?: any): any;
-  path(key: string, fallback?: any): any;
-  mb(key: string, fallback?: any): any;
-  getSuffix(): any;
-  getPrefix(): string;
-  getFile(file: string): any;
-  location(file: string): string;
-  parseConfig(text: string): void;
-  parseArg(argv?: string[]): void;
-  parseEnv(env?: object): void;
-  parseQuery(query: string): void | {};
-  parseHash(hash: string): void | {};
-  parseForm(query: string, ch: string, map: object): void;
+    private module;
+    private prefix;
+    private suffix?;
+    private fallback?;
+    private options;
+    private alias;
+    private data;
+    private env;
+    private args;
+    private argv;
+    private pass;
+    private query;
+    private hash;
+    constructor(module: string, options?: Options);
+    private init;
+    inject(options: object): void;
+    load(options: LoadOptions): void;
+    open(file: string): void;
+    openDir(dir: string): void;
+    openJson(file: string): void;
+    saveConfigJson(file: string, data: object): void;
+    filter(name: string): Config;
+    set(key: string, value: any): void;
+    has(key: string): boolean;
+    get(key: string, fallback?: any): any;
+    typeOf(key: string): "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function" | "null";
+    str(key: string, fallback?: any): any;
+    int(key: any, fallback?: any): any;
+    uint(key: any, fallback?: any): any;
+    float(key: any, fallback?: any): any;
+    ufloat(key: any, fallback?: any): any;
+    fixed(key: any, exp: any, fallback?: any): any;
+    ufixed(key: any, exp: any, fallback?: any): any;
+    bool(key: any, fallback?: any): any;
+    buf(key: string, fallback?: any, enc?: BufferEncoding): any;
+    array(key: string, fallback?: any): any;
+    obj(key: string, fallback?: any): any;
+    func(key: string, fallback?: any): any;
+    path(key: string, fallback?: any): any;
+    mb(key: string, fallback?: any): any;
+    getSuffix(): any;
+    getPrefix(): string;
+    getFile(file: string): any;
+    location(file: string): string;
+    parseConfig(text: string): void;
+    parseArg(argv?: string[]): void;
+    parseEnv(env?: object): void;
+    parseQuery(query: string): void | {};
+    parseHash(hash: string): void | {};
+    parseForm(query: string, ch: string, map: object): void;
 }
diff --git a/dist/index.js b/dist/index.js
index 5ee03e0..021b132 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -135,6 +135,9 @@ class Config {
         (0, bsert_1.default)(typeof data === "object");
         (0, bsert_1.default)(!Array.isArray(data));
         const fullPath = path_1.default.join(this.str("configdir"), file);
+        if (!fs_1.default.existsSync(fullPath)) {
+            fs_1.default.mkdirSync(fullPath, { recursive: true });
+        }
         fs_1.default.writeFileSync(fullPath, JSON.stringify(data));
         this.openJson(fullPath);
     }