diff --git a/runtime/main/extend/systemplugin/napi/ohos_security_huks.js b/runtime/main/extend/systemplugin/napi/ohos_security_huks.js
index 9e7fb70f..cbe48ac8 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_security_huks.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_security_huks.js
@@ -527,6 +527,18 @@ export function mockHuks() {
         })
       }
     },
+    attestKey: function (...args) {
+      console.warn("huks.attestKey interface mocked in the Previewer. How this interface works on the Previewer" +
+        " may be different from that on a real device.")
+      const len = args.length
+      if (typeof args[len - 1] === 'function') {
+        args[len - 1].call(this, paramMock.businessErrorMock, HuksResult)
+      } else {
+        return new Promise((resolve, reject) => {
+          resolve(HuksResult)
+        })
+      }
+    },
     getSdkVersion: function (...args) {
       console.warn("huks.getSdkVersion interface mocked in the Previewer. How this interface works on the Previewer" +
         " may be different from that on a real device.")