diff --git a/README.md b/README.md
index 992fc00..602456f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-# kintone-vue-ts-template
+# kintone-vue-template
 
 使用 Vue 、ts 和 Vite 创建 kintone plugin 的初始化模板，先由 [create-plugin](https://cybozu.dev/ja/kintone/sdk/development-environment/create-plugin/) 生成之后再手动引入 Vue。
 
diff --git a/src/components/LicenseStatus.vue b/src/components/LicenseStatus.vue
index cc76e20..e01fbda 100644
--- a/src/components/LicenseStatus.vue
+++ b/src/components/LicenseStatus.vue
@@ -35,7 +35,7 @@ type LicenseDisplayInfo = {
   isPaid: boolean;
   expiryDate: string;
   isExpired: boolean;
-  remainingDays: number;
+  remainingDays?: number;
 };
 
 // 状态管理
@@ -53,7 +53,6 @@ const licenseDisplayInfo = computed<LicenseDisplayInfo>(() => {
       isPaid: false,
       expiryDate: $t('license.status.unknown'),
       isExpired: false,
-      remainingDays: 1,
     };
   }
 
@@ -110,7 +109,7 @@ const licenseStatusText = computed(() => {
   if (licenseDisplayInfo.value.isPaid) {
     return `<span class="text-green">${$t('license.status.permanentDisplay')}</span>`;
   }
-
+  // TODO
   let status = $t('license.expiry.expiryDate', { date: licenseDisplayInfo.value.expiryDate });
 
   if (licenseDisplayInfo.value.isExpired) {
@@ -119,8 +118,10 @@ const licenseStatusText = computed(() => {
   }
 
   const remainingDays = licenseDisplayInfo.value.remainingDays;
-  const days = $t('license.notification.days', remainingDays)
-  status += `(${days})`;
+  if (remainingDays !== undefined) {
+    const days = $t('license.notification.days', remainingDays)
+    status += `(${days})`;
+  }
 
   return status;
 });
diff --git a/src/services/license-service.ts b/src/services/license-service.ts
index 0d83371..79cb244 100644
--- a/src/services/license-service.ts
+++ b/src/services/license-service.ts
@@ -7,14 +7,12 @@ import { MobileNotification } from 'kintone-ui-component/lib/mobile/notification
 import manifestJson from '@/manifest.json';
 import { KJUR } from 'jsrsasign';
 import rsaPublicKey from '../../rsa_public.pem?raw';
-import rsaPrivateKey from '../../rsa_private.pem?raw';
 
 const { t: $t } = i18n.global;
 
 export class LicenseService {
   // 常量定义
   private static readonly WARNING_DAYS_BEFORE_EXPIRY = 7;
-  private static readonly TRIAL_DATE = 30;
   private static PLUGIN_ID: string = '';
   // ============ 基础工具函数 ============
 
@@ -49,20 +47,20 @@ export class LicenseService {
   static checkLicenseAvailable(savedLicense: SavedLicense): boolean {
     try {
       // 验证完整的JWT
-      const result = KJUR.jws.JWS.verifyJWT(savedLicense.jwt, rsaPublicKey.trim(), {alg: ['RS256']});
+      const result = KJUR.jws.JWS.verifyJWT(savedLicense.jwt, rsaPublicKey.trim(), { alg: ['RS256'] });
       if (!result) {
-        console.warn($t('license.error.jwtFailed', { e : '' }));
+        console.warn($t('license.error.jwtFailed', { e: '' }));
         return false;
       }
     } catch (error) {
-      console.warn($t('license.error.jwtFailed', { e : error }));
+      console.warn($t('license.error.jwtFailed', { e: error }));
       return false;
     }
 
     const license = savedLicense.licenseInfo;
 
-    const domain = this.getDomain()
-    const pluginId = this.getPluginId()
+    const domain = this.getDomain();
+    const pluginId = this.getPluginId();
 
     // 检查域名和插件ID是否与当前环境一致
     if (license.domain !== domain || license.pluginId !== pluginId) {
@@ -99,33 +97,56 @@ export class LicenseService {
    * 许可证验证
    */
   static async checkLicense(): Promise<LicenseCheckResult> {
-      const localLicense = this.getLocalLicenseInfo() || undefined
-      if (localLicense) {
-        return {
-          isLicenseValid: true,
-          license: localLicense,
-        };
-      }
-      return await this.checkLicenseRemote()
+    const localLicense = this.getLocalLicenseInfo() || undefined;
+    if (localLicense) {
+      return {
+        isLicenseValid: true,
+        license: localLicense,
+      };
+    }
+    return await this.checkLicenseRemote();
   }
 
   /**
-   * 远程许可证验证（模拟）
+   * 调用远程许可证API
+   */
+  private static async callRemoteLicenseAPI(domain: string, pluginId: string): Promise<string | null> {
+    const url = 'https://penguin-informed-mildly.ngrok-free.app/api/license/check';
+    const method = 'POST';
+    const headers = { 'Content-Type': 'application/json' };
+    const body = {
+      domain,
+      pluginId,
+      pluginKey: 'kintone-vue-template',
+    };
+    const proxyResponse = await kintone.proxy(url, method, headers, body);
+    if (proxyResponse[1] !== 200) {
+      throw new Error(`API request failed with status: ${proxyResponse[1]}`);
+    }
+    const response = JSON.parse(proxyResponse[0]);
+    if (!response || !response.success || !response.jwt) {
+      return null;
+    }
+    return response.jwt;
+  }
+
+  /**
+   * 远程许可证验证
    */
   static async checkLicenseRemote(): Promise<LicenseCheckResult> {
     try {
-      // 这里应该是实际的API调用，暂时模拟创建加密的试用许可证
-      const response = await this.mockRemoteCheck(this.getDomain(), this.getPluginId());
+      const domain = this.getDomain();
+      const pluginId = this.getPluginId();
 
-      if (!response.success || !response.jwt) {
+      const jwt = await this.callRemoteLicenseAPI(domain, pluginId);
+
+      if (!jwt) {
         return {
           isLicenseValid: false,
           isRemote: true,
         };
       }
 
-      const jwt = response.jwt;
-
       // 保存 JWT 到本地存储，获取保存的许可证结构
       const savedLicense = LicenseStorage.saveLicense(jwt);
       if (!savedLicense) {
@@ -143,7 +164,6 @@ export class LicenseService {
         license: savedLicense.licenseInfo,
         isRemote: true,
       };
-
     } catch (error) {
       console.error($t('license.error.fetchFailed', { e: error }));
       return {
@@ -160,7 +180,7 @@ export class LicenseService {
    */
   static isExpiringSoon(expiryTimestamp: number): boolean {
     const now = Date.now();
-    const warningTime = expiryTimestamp - (this.WARNING_DAYS_BEFORE_EXPIRY * 24 * 60 * 60 * 1000);
+    const warningTime = expiryTimestamp - this.WARNING_DAYS_BEFORE_EXPIRY * 24 * 60 * 60 * 1000;
 
     return now >= warningTime && expiryTimestamp > now;
   }
@@ -195,9 +215,9 @@ export class LicenseService {
       // 尚未到期
       const remainingDays = this.getDaysRemaining(license!.expiredTime);
       if (remainingDays < 0) {
-        return
+        return;
       }
-      const days = $t('license.notification.days', remainingDays)
+      const days = $t('license.notification.days', remainingDays);
       message = $t('license.notification.warning', { plugin, days });
     } else {
       // 既に期限切れ
@@ -210,7 +230,7 @@ export class LicenseService {
       });
       notification.open();
     } else {
-      const link = `https://alicorn.cybozu.com/k/admin/app/${kintone.app.getId()}/plugin/config?pluginId=${this.getPluginId()}`
+      const link = `https://alicorn.cybozu.com/k/admin/app/${kintone.app.getId()}/plugin/config?pluginId=${this.getPluginId()}`;
       const notification = new Notification({
         content: message + '<br />' + $t('license.notification.gotoLink', { link }),
         type: isWarning ? 'info' : 'danger',
@@ -224,10 +244,7 @@ export class LicenseService {
   /**
    * 检查插件功能访问权限并加载插件（如果获得授权）
    */
-  static async loadPluginIfAuthorized(
-    pluginId: string,
-    callback: () => void | Promise<void>,
-  ) {
+  static async loadPluginIfAuthorized(pluginId: string, callback: () => void | Promise<void>) {
     this.PLUGIN_ID = pluginId;
     try {
       // 检查许可证（内部已经包含本地检查无效时自动获取远程的逻辑）
@@ -250,17 +267,18 @@ export class LicenseService {
       }
 
       // 许可证有效，如果快要到期，管理员可以看到警告
-      if (isManager &&
-          licenseCheck.license &&
-          !licenseCheck.license.isPaid &&
-          this.isExpiringSoon(licenseCheck.license.expiredTime)) {
+      if (
+        isManager &&
+        licenseCheck.license &&
+        !licenseCheck.license.isPaid &&
+        this.isExpiringSoon(licenseCheck.license.expiredTime)
+      ) {
         // 管理员可以看到过期弹框
         this.showNotification(licenseCheck.license, true);
       }
 
       // 许可证有效，可以加载插件功能
       await callback();
-
     } catch (error) {
       console.warn($t('license.error.checkFailed'));
     }
@@ -286,61 +304,4 @@ export class LicenseService {
     LicenseStorage.clearLicense(this.getPluginId());
     return await this.checkLicenseRemote();
   }
-
-  // ============ 模拟/测试函数 ============
-
-  /**
-   * 创建试用许可证
-   */
-  private static mockCreateTrialLicense(): LicenseInfo {
-    const expiryDate = new Date();
-    expiryDate.setDate(expiryDate.getDate() + this.TRIAL_DATE);
-    expiryDate.setHours(23, 59, 59, 999);
-
-    return {
-      expiredTime: expiryDate.getTime(),
-      isPaid: false,
-      domain: this.getDomain(),
-      pluginId: this.getPluginId(),
-      fetchTime: new Date().getTime(),
-      version: 1,
-    };
-  }
-
-  /**
-   * 生成JWT token（内部方法）
-   */
-  private static generateJWT(licenseInfo: LicenseInfo): string {
-    const header = {
-      alg: 'RS256',
-      typ: 'JWT'
-    };
-
-    const payload = {
-      ...licenseInfo,
-      iat: Math.floor(Date.now() / 1000)
-    };
-
-    const sHeader = JSON.stringify(header);
-    const sPayload = JSON.stringify(payload);
-
-    const jwt = KJUR.jws.JWS.sign(null, sHeader, sPayload, rsaPrivateKey.trim());
-    return jwt;
-  }
-
-  /**
-   * 模拟远程验证（生产环境中会被真实API替换）
-   */
-  private static async mockRemoteCheck(domain: string, pluginId: string): Promise<{ success: boolean; jwt?: string }> {
-    // 模拟API调用，这里总是返回加密的试用许可证
-    // 生产环境这里会调用后端API: POST /api/license/check
-
-    const license = this.mockCreateTrialLicense();
-    const jwt = this.generateJWT(license);
-
-    return {
-      success: true,
-      jwt,
-    };
-  }
 }