diff --git a/zh-cn/application-dev/security/accesstoken-guidelines.md b/zh-cn/application-dev/security/accesstoken-guidelines.md
index 8465db38c7229f5470bff93ad4cc0a3b14cb75b1..0bdc5f9d0c424c778ad930c4bd1ae6a3fe98146f 100644
--- a/zh-cn/application-dev/security/accesstoken-guidelines.md
+++ b/zh-cn/application-dev/security/accesstoken-guidelines.md
@@ -176,10 +176,10 @@
    
    async function checkAccessToken(permission: Permissions): Promise<abilityAccessCtrl.GrantStatus> {
      let atManager = abilityAccessCtrl.createAtManager();
-     let grantStatus: abilityAccessCtrl.GrantStatus;
+     let grantStatus: abilityAccessCtrl.GrantStatus = abilityAccessCtrl.GrantStatus.PERMISSION_DENIED;
    
      // 获取应用程序的accessTokenID
-     let tokenId: number;
+     let tokenId: number = 0;
      try {
        let bundleInfo: bundleManager.BundleInfo = await bundleManager.getBundleInfoForSelf(bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION);
        let appInfo: bundleManager.ApplicationInfo = bundleInfo.appInfo;