diff --git a/api/@ohos.hichecker.d.ts b/api/@ohos.hichecker.d.ts
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+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+* This module provides the capability to check bad code usage.
+*
+ *@import import hichecker from '@ohos.hichecker';
+* @since 8
+* @Syscap SystemCapability.HiviewDFX.HiChecker
+*/
+declare namespace hichecker {
+
+
+    /**
+    * The caution rule print log.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    const RULE_CAUTION_PRINT_LOG: 9223372036854775808n; // 1 << 63
+
+    /**
+    * The caution rule trigger crash.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    const RULE_CAUTION_TRIGGER_CRASH: 4611686018427387904n; // 1 << 62
+
+    /**
+    * The thread rule check slow process.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    const RULE_THREAD_CHECK_SLOW_PROCESS: 1n;
+
+    /**
+    * The process rule check slow event.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    const RULE_CHECK_SLOW_EVENT: 4294967296n; // 1 << 32
+
+    /**
+    * The process rule check ability connection leak.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    const RULE_CHECK_ABILITY_CONNECTION_LEAK: 8589934592n; // 1 << 33
+
+    /**
+    * add one or more rule.
+    * @param rule 
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    function addRule(rule: bigint) : void;
+
+    /**
+    * remove one or more rule.
+    * @param rule 
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    function removeRule(rule: bigint) : void;
+
+    /**
+    * get added rule
+    * @return all added thread rule and process rule.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    function getRule() : bigint;
+
+    /**
+    * whether the query rule is added
+    * @param rule
+    * @return the result of whether the query rule is added.
+    * @since 8
+    * @Syscap SystemCapability.HiviewDFX.HiChecker
+    */
+    function contains(rule: bigint) : boolean;
+}
+export default hichecker;
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