diff --git a/interfaces/innerkits/accesstoken/src/accesstoken_manager_client.cpp b/interfaces/innerkits/accesstoken/src/accesstoken_manager_client.cpp
index cc2de1369d28c3b7fd0b1cce2cab6b018ca118c3..1b238792643bfa506fc1a11f6fc2330d7d73bbbc 100644
--- a/interfaces/innerkits/accesstoken/src/accesstoken_manager_client.cpp
+++ b/interfaces/innerkits/accesstoken/src/accesstoken_manager_client.cpp
@@ -36,7 +36,7 @@ static constexpr int32_t VALUE_MAX_LEN = 32;
 static const char* ACCESS_TOKEN_SERVICE_INIT_KEY = "accesstoken.permission.init";
 std::recursive_mutex g_instanceMutex;
 static const int32_t SA_ID_ACCESSTOKEN_MANAGER_SERVICE = 3503;
-static const int MAX_PERMISSION_SIZE = 1000;
+static const int MAX_PERMISSION_SIZE = 1024;
 static const int32_t MAX_USER_POLICY_SIZE = 1024;
 static const int32_t MAX_EXTENDED_VALUE_LIST_SIZE = 512;
 } // namespace
diff --git a/interfaces/innerkits/accesstoken/test/unittest/PermisionDialogTest/get_self_permission_state_test.cpp b/interfaces/innerkits/accesstoken/test/unittest/PermisionDialogTest/get_self_permission_state_test.cpp
index e183d79616fbc4dddd2cb9010e5746ad737ec8b4..c8e47b449631d2c2105f888a95f66b7ca4b607cc 100644
--- a/interfaces/innerkits/accesstoken/test/unittest/PermisionDialogTest/get_self_permission_state_test.cpp
+++ b/interfaces/innerkits/accesstoken/test/unittest/PermisionDialogTest/get_self_permission_state_test.cpp
@@ -22,7 +22,7 @@ namespace Security {
 namespace AccessToken {
 using namespace testing::ext;
 namespace {
-static const int MAX_PERMISSION_SIZE = 1000;
+static const int MAX_PERMISSION_SIZE = 1024;
 static const std::string TEST_BUNDLE_NAME = "ohos";
 static const int TEST_USER_ID = 0;
 static const std::string LOCATION_PERMISSION = "ohos.permission.LOCATION";
diff --git a/services/accesstokenmanager/main/cpp/src/service/accesstoken_manager_service.cpp b/services/accesstokenmanager/main/cpp/src/service/accesstoken_manager_service.cpp
index ccdf0fff3f08d0d1fed18c31dcd98fa0e3312ddf..6c01fa72c2e43d2a0b6aba1d5f91591b00901b8a 100644
--- a/services/accesstokenmanager/main/cpp/src/service/accesstoken_manager_service.cpp
+++ b/services/accesstokenmanager/main/cpp/src/service/accesstoken_manager_service.cpp
@@ -70,7 +70,7 @@ const char* APPLICATION_SETTING_ABILITY_NAME = "com.ohos.permissionmanager.MainA
 const char* DEVELOPER_MODE_STATE = "const.security.developermode.state";
 
 const std::string MANAGE_HAP_TOKENID_PERMISSION = "ohos.permission.MANAGE_HAP_TOKENID";
-static constexpr int MAX_PERMISSION_SIZE = 1000;
+static constexpr int MAX_PERMISSION_SIZE = 1024;
 static constexpr int32_t MAX_USER_POLICY_SIZE = 1024;
 const std::string GRANT_SENSITIVE_PERMISSIONS = "ohos.permission.GRANT_SENSITIVE_PERMISSIONS";
 const std::string REVOKE_SENSITIVE_PERMISSIONS = "ohos.permission.REVOKE_SENSITIVE_PERMISSIONS";
@@ -298,7 +298,7 @@ int32_t AccessTokenManagerService::GetPermissionsStatus(AccessTokenID tokenID,
     uint32_t size = reqPermList.size();
     if (size > MAX_PERMISSION_SIZE) {
         LOGE(ATM_DOMAIN, ATM_TAG, "PermList size %{public}d is invalid", size);
-        return INVALID_OPER;
+        return AccessTokenError::ERR_PARAM_INVALID;
     }
 
     if (!AccessTokenInfoManager::GetInstance().IsTokenIdExist(tokenID)) {