diff --git a/runtime/main/extend/systemplugin/napi/ohos_util.js b/runtime/main/extend/systemplugin/napi/ohos_util.js
index d4f9f9cc..198c0ede 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_util.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_util.js
@@ -551,7 +551,22 @@ export function mockUtil() {
       console.warn("util.promisify interface mocked in the Previewer. How this interface works on the Previewer" +
         " may be different from that on a real device.");
       return paramMock.paramObjectMock;
+    },
+    randomUUID: function (...args) {
+      console.warn("util.randomUUID interface mocked in the Previewer. How this interface works on the Previewer" +
+        " may be different from that on a real device.");
+      return paramMock.paramStringMock;
+    },
+    randomBinaryUUID: function (...args) {
+      console.warn("util.randomBinaryUUID interface mocked in the Previewer. How this interface works on the Previewer" +
+        " may be different from that on a real device.");
+      return paramMock.paramArrayMock;
+    },
+    parseUUID: function (...args) {
+      console.warn("util.parseUUID interface mocked in the Previewer. How this interface works on the Previewer" +
+        " may be different from that on a real device.");
+      return paramMock.paramArrayMock;
     }
   };
   return utilMock;
-}
\ No newline at end of file
+}