diff --git a/entry/src/main/ets/MainAbility/MainAbilityEx.ets b/entry/src/main/ets/MainAbility/MainAbilityEx.ets
index 183da08..1a5333f 100644
--- a/entry/src/main/ets/MainAbility/MainAbilityEx.ets
+++ b/entry/src/main/ets/MainAbility/MainAbilityEx.ets
@@ -319,7 +319,7 @@ export default class MainAbility extends UIExtensionAbility {
           this.dlpFilesToEncrypt(session);
         } else {
           await GetAlertMessage.startAlertAbility(this.context, {
-            code: Constants.ERR_JS_APP_INSIDE_ERROR } as BusinessError);
+            code: Constants.ERR_JS_APP_CANNOT_OPEN } as BusinessError);
         }
       } catch {
         return;
diff --git a/entry/src/main/ets/common/GetAlertMessage.ets b/entry/src/main/ets/common/GetAlertMessage.ets
index 8e32672..b42ede9 100644
--- a/entry/src/main/ets/common/GetAlertMessage.ets
+++ b/entry/src/main/ets/common/GetAlertMessage.ets
@@ -142,6 +142,8 @@ export class GetAlertMessage {
         return { 'msg': $r('app.string.MESSAGE_APP_FILE_PARAM_ERROR') } as Record<string, Resource>;
       case Constants.ERR_JS_USER_NO_PERMISSION:
         return { 'msg': $r('app.string.MESSAGE_APP_NOT_HAVE_PERM') } as Record<string, Resource>;
+      case Constants.ERR_JS_APP_CANNOT_OPEN:
+        return { 'msg': $r('app.string.CANNOT_OPEN_THIS_TYPE_FILE') } as Record<string, Resource>;
       default:
         if (defaultTitle !== undefined && defaultMessage != undefined) {
           return { 'title': defaultTitle, 'msg': defaultMessage } as Record<string, Resource>;
diff --git a/entry/src/main/ets/common/constant.ets b/entry/src/main/ets/common/constant.ets
index 94be155..1d326a0 100644
--- a/entry/src/main/ets/common/constant.ets
+++ b/entry/src/main/ets/common/constant.ets
@@ -177,6 +177,7 @@ export default class Constants {
   public static readonly ERR_JS_APP_SYSTEM_IS_AUTHENTICATED = 8;
   public static readonly ERR_JS_APP_NETWORK_INVALID = 9;
   public static readonly ERR_JS_APP_ENCRYPTING = 10;
+  public static readonly ERR_JS_APP_CANNOT_OPEN = 11;
   public static readonly ERR_JS_CREDENTIAL_TIMEOUT = 19100003;
   public static readonly ERR_JS_CREDENTIAL_SERVICE_ERROR = 19100004;
   public static readonly ERR_JS_CREDENTIAL_SERVER_ERROR = 19100005;
diff --git a/entry/src/main/resources/base/element/string.json b/entry/src/main/resources/base/element/string.json
index 170ec68..8a01096 100644
--- a/entry/src/main/resources/base/element/string.json
+++ b/entry/src/main/resources/base/element/string.json
@@ -208,6 +208,10 @@
       "name": "MESSAGE_APP_NOT_HAVE_PERM",
       "value": "You don't have permission to view this file."
     },
+    {
+      "name": "CANNOT_OPEN_THIS_TYPE_FILE",
+      "value": "Cannot open this type of file"
+    },
     {
       "name": "MESSAGE_APP_FILE_PARAM_ERROR",
       "value": "Unable to open file. Check and try again."
diff --git a/entry/src/main/resources/zh_CN/element/string.json b/entry/src/main/resources/zh_CN/element/string.json
index 0f58398..9a6e547 100644
--- a/entry/src/main/resources/zh_CN/element/string.json
+++ b/entry/src/main/resources/zh_CN/element/string.json
@@ -208,6 +208,10 @@
       "name": "MESSAGE_APP_NOT_HAVE_PERM",
       "value": "您没有权限查看此文件。"
     },
+    {
+      "name": "CANNOT_OPEN_THIS_TYPE_FILE",
+      "value": "无法打开此类型文件。"
+    },
     {
       "name": "MESSAGE_APP_FILE_PARAM_ERROR",
       "value": "无法打开此文件。请检查后重试。"