diff --git a/runtime/main/extend/systemplugin/napi/index.js b/runtime/main/extend/systemplugin/napi/index.js
index 31544570..0c08df7e 100644
--- a/runtime/main/extend/systemplugin/napi/index.js
+++ b/runtime/main/extend/systemplugin/napi/index.js
@@ -64,6 +64,7 @@ import { mockHiAppEvent } from './ohos_hiAppEvent'
 import { mockHilog } from './ohos_hilog'
 import { mockHiSysEvent } from './ohos_hiSysEvent'
 import { mockHiTraceChain } from './ohos_hiTraceChain'
+import { mockFaultLogger } from './ohos_faultLogger'
 import { mockTv } from './tv'
 import { mockDtv } from './dtv'
 import { mockDistributedAccount } from './ohos_account_distributedAccount'
@@ -391,6 +392,8 @@ export function mockRequireNapiFun() {
         return mockHiSysEvent();
       case "hiTraceChain":
         return mockHiTraceChain();
+      case "faultLogger":
+        return mockFaultLogger();
       case "tv":
         return mockTv();
       case "dtv":
diff --git a/runtime/main/extend/systemplugin/napi/ohos_faultLogger.js b/runtime/main/extend/systemplugin/napi/ohos_faultLogger.js
new file mode 100644
index 00000000..b99ac3b4
--- /dev/null
+++ b/runtime/main/extend/systemplugin/napi/ohos_faultLogger.js
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ */
+
+import { paramMock } from "../utils"
+
+function buildMockInfo(interfaceName) {
+  return interfaceName + " interface mocked in the Previewer. How this interface works on the Previewer" +
+    " may be different from that on a real device."
+}
+
+export function mockFaultLogger() {
+  const FaultType = {
+    NO_SPECIFIC : 0,
+    CPP_CRASH : 2,
+    JS_CRASH : 3,
+    APP_FREEZE : 4
+  }
+  const FaultLogInfo = {
+    pid: "[PC Preview] unknow pid",
+    uid: "[PC Preview] unknow uid",
+    type: FaultType,
+    timestamp: "[PC Preview] unknow timestamp",
+    reason: "[PC Preview] unknow reason",
+    module: "[PC Preview] unknow module",
+    summary: "[PC Preview] unknow summary",
+    fullLog: "[PC Preview] unknow fullLog",
+  }
+  const FaultLogger = {
+    FaultType,
+    FaultLogInfo,
+    querySelfFaultLog: function(...args) {
+      console.warn(buildMockInfo("FaultLogger.querySelfFaultLog"))
+      var array = new Array()
+      array.push(FaultLogInfo)
+      const len = args.length
+      if (typeof args[len - 1] === 'function') {
+        args[len - 1].call(this, paramMock.businessErrorMock, array)
+      } else {
+        return new Promise((resolve) => {
+          resolve(array)
+        });
+      }
+    },
+  }
+  return FaultLogger
+}
\ No newline at end of file