diff --git a/package.json b/package.json
index 125ef66..d3e217e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kevisual/use-config",
-  "version": "1.0.5",
+  "version": "1.0.7",
   "types": "dist/config.d.ts",
   "scripts": {
     "build": "npm run clean && rollup -c",
diff --git a/src/context.ts b/src/context.ts
index 12688ac..4f6dc3e 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -1,33 +1,46 @@
-type GlobalContext = {
+type GlobalContext<U = any> = {
   redis?: any;
-};
-export const useContext = (initContext?: GlobalContext) => {
+} & U;
+
+export const useContext = <T = GlobalContext>(initContext?: GlobalContext): T => {
   const context: GlobalContext = (global as any).context;
   const _context = context || initContext;
-  !context && ((global as any)['context'] = _context);
-  return _context;
+  if (!context) {
+    if (_context) {
+      (global as any).context = _context;
+    } else {
+      global.context = {};
+    }
+  }
+  return global.context;
 };
 
 export const useContextKey = <T>(key: string, init: () => T): T => {
   const _context = useContext({});
+  if (key && typeof _context[key] !== 'undefined') {
+    return _context[key];
+  }
   if (key && init) {
     _context[key] = init();
     return _context[key] as any;
   }
-  if (key) {
-    return _context[key];
-  }
   return _context as any;
 };
 
 export const useContextKeySync = async <T = any>(key: string, init: () => Promise<T>): Promise<T> => {
   const _context = useContext({});
+  if (key && typeof _context[key] !== 'undefined') {
+    return _context[key];
+  }
   if (key && init) {
     _context[key] = await init();
     return _context[key] as any;
   }
-  if (key) {
-    return _context[key];
-  }
   return _context as any;
 };
+
+export const setContextKey = <T>(key: string, value: T) => {
+  const _context = useContext<GlobalContext<T>>({});
+  _context[key] = value;
+  return _context;
+};
diff --git a/src/pkgs.ts b/src/pkgs.ts
index 0995807..7ffa136 100644
--- a/src/pkgs.ts
+++ b/src/pkgs.ts
@@ -11,7 +11,7 @@ export const getPkgs = () => {
   const config = JSON.parse(fs.readFileSync(configFile, 'utf-8'));
   return config;
 };
-
+export type { App };
 export const getApp = (): App => {
   const config = getPkgs();
   return config.app || {};
diff --git a/src/read-app-schema.ts b/src/read-app-schema.ts
index 786fe30..2bf55dd 100644
--- a/src/read-app-schema.ts
+++ b/src/read-app-schema.ts
@@ -1,79 +1,97 @@
 import { FromSchema } from 'json-schema-to-ts';
 const App = {
-  $schema: 'http://json-schema.org/draft-07/schema#',
-  title: 'App Configuration Schema',
-  type: 'object',
-  properties: {
-    type: {
-      type: 'string',
-      enum: ['inline-app', 'micro-app'],
-      $comment: "Type must be either 'inline-app' or 'micro-app'",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "App Configuration Schema",
+  "type": "object",
+  "properties": {
+    "type": {
+      "type": "string",
+      "enum": [
+        "system-app",
+        "micro-app",
+        "gateway-app"
+      ],
+      "$comment": "Type must be either 'system-app' or 'micro-app' or 'gateway-app'."
     },
-    single: {
-      type: 'boolean',
-      $comment: '是否单例模式，独立启动服务。',
+    "home": {
+      "type": "string",
+      "pattern": "^/.*",
+      "$comment": "https://kevisual.xiongxiao.me"
     },
-    port: {
-      type: 'integer',
-      minimum: 0,
-      maximum: 65535,
-      $comment: '开发和单例启动服务的端口',
+    "single": {
+      "type": "boolean",
+      "$comment": "是否单例模式，独立启动服务。"
     },
-    remote: {
-      type: 'object',
-      properties: {
-        host: {
-          type: 'string',
-          format: 'hostname',
-        },
-        path: {
-          type: 'string',
-          pattern: '^/.*',
+    "port": {
+      "type": "integer",
+      "minimum": 0,
+      "maximum": 65535,
+      "$comment": "开发和单例启动服务的端口"
+    },
+    "remote": {
+      "type": "object",
+      "properties": {
+        "host": {
+          "type": "string",
+          "format": "hostname"
         },
+        "path": {
+          "type": "string",
+          "pattern": "^/.*"
+        }
       },
-      required: ['host', 'path'],
+      "required": [
+        "host",
+        "path"
+      ],
+      "$comment": "远程服务的地址和路径"
     },
-    micro: {
-      type: 'object',
-      properties: {
-        serve: {
-          type: 'object',
-          properties: {
-            name: {
-              type: 'string',
-              pattern: '^[a-z0-9-]+$',
-              $comment: '服务名称',
-            },
-            port: {
-              type: 'integer',
-              minimum: 0,
-              maximum: 65535,
-              $comment: '启动的服务端口',
+    "micro": {
+      "type": "object",
+      "properties": {
+        "serve": {
+          "type": "object",
+          "properties": {
+            "name": {
+              "type": "string",
+              "pattern": "^[a-z0-9-]+$",
+              "$comment": "服务名称"
             },
+            "port": {
+              "type": "integer",
+              "minimum": 0,
+              "maximum": 65535,
+              "$comment": "启动的服务端口"
+            }
           },
-          required: [],
+          "required": []
         },
-        remote: {
-          type: 'object',
-          properties: {
-            host: {
-              type: 'string',
-              format: 'hostname',
-            },
-            port: {
-              type: 'integer',
-              minimum: 0,
-              maximum: 65535,
-              $comment: '链接的远程地址的端口',
+        "remote": {
+          "type": "object",
+          "properties": {
+            "host": {
+              "type": "string",
+              "format": "hostname"
             },
+            "port": {
+              "type": "integer",
+              "minimum": 0,
+              "maximum": 65535,
+              "$comment": "链接的远程地址的端口"
+            }
           },
-          required: ['host', 'port'],
-        },
+          "required": [
+            "host",
+            "port"
+          ]
+        }
       },
-      required: [],
-    },
+      "required": []
+    }
   },
-  required: ['type'],
+  "required": [
+    "type"
+  ]
 } as const;
 
 export type App = FromSchema<typeof App>;