diff --git a/entry/src/main/ets/ViewAbility/ViewAbility.ts b/entry/src/main/ets/ViewAbility/ViewAbility.ts
index 5341dfd..9371e7c 100644
--- a/entry/src/main/ets/ViewAbility/ViewAbility.ts
+++ b/entry/src/main/ets/ViewAbility/ViewAbility.ts
@@ -146,6 +146,11 @@ export default class ViewAbility extends ServiceExtensionAbility {
             return
         }
         hiTraceMeter.finishTrace("DlpGetOsAccountJs", startId);
+        if (accountInfo.distributedInfo.name == "ohosAnonymousName" && accountInfo.distributedInfo.id == "ohosAnonymousUid") {
+            startAlertAbility(Constants.APP_ERROR, Constants.APP_NO_ACCOUNT_ERROR)
+            hiTraceMeter.finishTrace("DlpOpenFileJs", startId);
+            return
+        }
         hiTraceMeter.startTrace("DlpOpenDlpFileJs", startId);
         try {
             this.dlpFile = await dlpPermission.openDlpFile(srcFd)
diff --git a/entry/src/main/ets/common/constant.ets b/entry/src/main/ets/common/constant.ets
index 2625eee..db4533c 100644
--- a/entry/src/main/ets/common/constant.ets
+++ b/entry/src/main/ets/common/constant.ets
@@ -154,6 +154,7 @@ export default class Constants {
   static RECOVER_DLP_ERROR = '删除文档权限失败，请重试。';
   static APP_INSIDE_ERROR = '应用内部错误，请重试。';
   static APP_GET_ACCOUNT_ERROR = '获取帐号信息失败，请重试。';
+  static APP_NO_ACCOUNT_ERROR = '帐号未登录，请登录账号后重试。';
   static APP_OPEN_DLP_ERROR= '打开加密文件失败，请重试。';
   static APP_PERMISSION_ERROR= '权限拒绝，请重试。';
   static APP_VISIT_FILE_ERROR= '无法访问此文件';
diff --git a/entry/src/main/ets/pages/index.ets b/entry/src/main/ets/pages/index.ets
index 068fe63..aa7b6b2 100644
--- a/entry/src/main/ets/pages/index.ets
+++ b/entry/src/main/ets/pages/index.ets
@@ -79,6 +79,10 @@ struct DlpDialog {
     console.info(TAG + "aboutToAppear")
     try {
       globalThis.accountInfo = await getOsAccountInfo()
+      if (globalThis.accountInfo.distributedInfo.name == "ohosAnonymousName" && globalThis.accountInfo.distributedInfo.id == "ohosAnonymousUid") {
+        this.showDlpAlertDialog(Constants.APP_ERROR, Constants.APP_NO_ACCOUNT_ERROR)
+        return
+      }
     } catch (err) {
       console.info(TAG + "getOsAccountInfo error: " + JSON.stringify(err))
       terminateSelfWithResult(100, "get account info failed")