diff --git a/frameworks/innerkits/file_extension/include/file_ext_ability.h b/frameworks/innerkits/file_extension/include/file_ext_ability.h
index c98a352abdc09d3c199035c4c489e079bae59584..8c9aaa706a41ca4b80f726a0629a6292aab89e90 100644
--- a/frameworks/innerkits/file_extension/include/file_ext_ability.h
+++ b/frameworks/innerkits/file_extension/include/file_ext_ability.h
@@ -21,6 +21,8 @@
 namespace OHOS {
 namespace AbilityRuntime {
 class Runtime;
+class FileExtAbility;
+using CreatorFunc = std::function<FileExtAbility* (const std::unique_ptr<Runtime>& runtime)>;
 class FileExtAbility : public ExtensionBase<> {
 public:
     FileExtAbility() = default;
@@ -40,6 +42,15 @@ public:
     virtual int Delete(const Uri &sourceFileUri);
     virtual int Move(const Uri &sourceFileUri, const Uri &targetParentUri, Uri &newFileUri);
     virtual int Rename(const Uri &sourceFileUri, const std::string &displayName, Uri &newFileUri);
+
+    /**
+     * @brief Set a creator function.
+     *
+     * @param creator The function for create a file extension ability.
+     */
+    static void SetCreator(const CreatorFunc& creator);
+private:
+    static CreatorFunc creator_;
 };
 }  // namespace AbilityRuntime
 }  // namespace OHOS
diff --git a/frameworks/innerkits/file_extension/src/file_ext_ability.cpp b/frameworks/innerkits/file_extension/src/file_ext_ability.cpp
index e137a15f4b775f8fcfc26c9c4ebe8e6b99ac7e6f..a406d564efd33dc4b6fcfd586c203f734b78d016 100644
--- a/frameworks/innerkits/file_extension/src/file_ext_ability.cpp
+++ b/frameworks/innerkits/file_extension/src/file_ext_ability.cpp
@@ -25,12 +25,22 @@
 namespace OHOS {
 namespace AbilityRuntime {
 using namespace OHOS::AppExecFwk;
+
+CreatorFunc FileExtAbility::creator_ = nullptr;
+void FileExtAbility::SetCreator(const CreatorFunc& creator)
+{
+    creator_ = creator;
+}
+
 FileExtAbility* FileExtAbility::Create(const std::unique_ptr<Runtime>& runtime)
 {
     HILOG_INFO("tag dsa %{public}s begin.", __func__);
     if (!runtime) {
         return new FileExtAbility();
     }
+    if (creator_) {
+        return creator_(runtime);
+    }
     HILOG_INFO("tag dsa FileExtAbility::Create runtime");
     switch (runtime->GetLanguage()) {
         case Runtime::Language::JS:
diff --git a/frameworks/innerkits/file_extension/src/file_ext_ability_module_loader.cpp b/frameworks/innerkits/file_extension/src/file_ext_ability_module_loader.cpp
index 96ae5c4a8818b3b9fa1c9a3fc94345d7fb193441..99be25075ca51e311a434a12564ef504cc8326f4 100644
--- a/frameworks/innerkits/file_extension/src/file_ext_ability_module_loader.cpp
+++ b/frameworks/innerkits/file_extension/src/file_ext_ability_module_loader.cpp
@@ -31,4 +31,9 @@ extern "C" __attribute__((visibility("default"))) void* OHOS_EXTENSION_GetExtens
     HILOG_INFO("tag dsa %{public}s begin.", __func__);
     return &FileExtAbilityModuleLoader::GetInstance();
 }
+
+extern "C" __attribute__((visibility("default"))) void SetCreator(const CreatorFunc& creator)
+{
+    return FileExtAbility::SetCreator(creator);
+}
 } // namespace OHOS::AbilityRuntime
\ No newline at end of file