diff --git a/frameworks/ans/test/unittest/mock/include/mock_resource_manager_impl.h b/frameworks/ans/test/unittest/mock/include/mock_resource_manager_impl.h
index add8c722644e6dd170c9e7b98dd3abb823c41d54..f738f3b1e7fe706767e39050eafe8a476bd644e0 100644
--- a/frameworks/ans/test/unittest/mock/include/mock_resource_manager_impl.h
+++ b/frameworks/ans/test/unittest/mock/include/mock_resource_manager_impl.h
@@ -521,6 +521,16 @@ public:
      */
     virtual RState GetResId(const std::string &resTypeName, uint32_t &resId);
 
+    /**
+     * Get locale list
+     *
+     * @param outValue the locales write to, the locale string is divided into three parts: language,
+     *     script (optional), and region (optional), concatenated by the connector (-).
+     * @param includeSystem the parameter controls whether to include system resources,
+     *     the default value is false, it has no effect when only system resources query the locales list.
+     */
+    virtual void GetLocales(std::vector<std::string> &outValue, bool includeSystem = false);
+
 private:
     std::map<std::string, std::string> resources_;
 };
diff --git a/frameworks/ans/test/unittest/mock/mock_resource_manager.cpp b/frameworks/ans/test/unittest/mock/mock_resource_manager.cpp
index fc7ed534cb971324ddbc3bcb845d7ba053d74e2e..a99940176f8a3c45a1b673706b8658b0cff21b05 100644
--- a/frameworks/ans/test/unittest/mock/mock_resource_manager.cpp
+++ b/frameworks/ans/test/unittest/mock/mock_resource_manager.cpp
@@ -334,6 +334,8 @@ RState ResourceManagerImpl::GetResId(const std::string &resTypeName, uint32_t &r
 {
     return SUCCESS;
 }
+
+void ResourceManagerImpl::GetLocales(std::vector<std::string> &outValue, bool includeSystem) {}
 }  // namespace Resource
 }  // namespace Global
 }  // namespace OHOS
\ No newline at end of file