diff --git a/BUILD.gn b/BUILD.gn
index 433afa933eae399df772364cb7820ea9998a0e63..4fe7f57108088ba3840a7c07619c2f18ddce6650 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -52,9 +52,12 @@ ohos_executable("appspawn") {
   external_deps = [
     "ability_base:want",
     "ability_runtime:app_manager",
+    "ability_runtime:runtime",
     "eventhandler:libeventhandler",
     "hiviewdfx_hilog_native:libhilog",
+    "init:libbegetutil",
     "ipc:ipc_core",
+    "napi:ace_napi",
     "utils_base:utils",
   ]
 
diff --git a/adapter/appspawn_ace.cpp b/adapter/appspawn_ace.cpp
index debbbd4bd85b52b3f47545e4316e949a33b65d4f..c6e794cc687c4a1aeb854cd6f000f5d2b87595eb 100644
--- a/adapter/appspawn_ace.cpp
+++ b/adapter/appspawn_ace.cpp
@@ -15,6 +15,10 @@
 
 #include "appspawn_adapter.h"
 
+#include "js_runtime.h"
+#include "parameters.h"
+#include "runtime.h"
+
 #include "foundation/ability/ability_runtime/interfaces/kits/native/appkit/app/main_thread.h"
 
 void LoadExtendLib(AppSpawnContent *content)
@@ -24,14 +28,43 @@ void LoadExtendLib(AppSpawnContent *content)
 #else
     const char *acelibdir("/system/lib/libace.z.so");
 #endif
-    APPSPAWN_LOGI("MainThread::LoadAbilityLibrary. Start calling dlopen acelibdir.");
+    APPSPAWN_LOGI("LoadExtendLib: Start calling dlopen acelibdir.");
 #ifndef APPSPAWN_TEST
     void *AceAbilityLib = NULL;
     AceAbilityLib = dlopen(acelibdir, RTLD_NOW | RTLD_GLOBAL);
     APPSPAWN_CHECK(AceAbilityLib != NULL, return, "Fail to dlopen %s, [%s]", acelibdir, dlerror());
 #endif
-    APPSPAWN_LOGI("Success to dlopen %s", acelibdir);
-    APPSPAWN_LOGI("MainThread::LoadAbilityLibrary. End calling dlopen");
+    APPSPAWN_LOGI("LoadExtendLib: Success to dlopen %s", acelibdir);
+    APPSPAWN_LOGI("LoadExtendLib: End calling dlopen");
+
+    bool preload = OHOS::system::GetBoolParameter("const.appspawn.preload", false);
+    if (!preload) {
+        APPSPAWN_LOGI("LoadExtendLib: Do not preload JS VM");
+        return;
+    }
+
+    APPSPAWN_LOGI("LoadExtendLib: Start preload JS VM");
+
+    OHOS::AbilityRuntime::Runtime::Options options;
+    options.lang = OHOS::AbilityRuntime::Runtime::Language::JS;
+    options.loadAce = true;
+    options.preload = true;
+
+    auto runtime = OHOS::AbilityRuntime::Runtime::Create(options);
+    if (!runtime) {
+        APPSPAWN_LOGE("LoadExtendLib: Failed to create runtime");
+        return;
+    }
+
+    // Preload napi module
+    runtime->PreloadSystemModule("application.Ability");
+    runtime->PreloadSystemModule("application.Context");
+    runtime->PreloadSystemModule("application.AbilityContext");
+
+    // Save preloaded runtime
+    OHOS::AbilityRuntime::Runtime::SavePreloaded(std::move(runtime));
+
+    APPSPAWN_LOGI("LoadExtendLib: End preload JS VM");
 }
 
 void RunChildProcessor(AppSpawnContent *content, AppSpawnClient *client)
diff --git a/test/unittest/BUILD.gn b/test/unittest/BUILD.gn
index 13e89322a4b318485b8c64b4848f8c73986b639a..84621c9c5379a220d6f5aafc810d63e1a74d6c70 100644
--- a/test/unittest/BUILD.gn
+++ b/test/unittest/BUILD.gn
@@ -89,13 +89,14 @@ ohos_unittest("AppSpawn_ut") {
   external_deps = [
     "ability_base:want",
     "ability_runtime:app_manager",
+    "ability_runtime:runtime",
     "bundle_framework:appexecfwk_base",
     "bundle_framework:appexecfwk_core",
     "eventhandler:libeventhandler",
     "hiviewdfx_hilog_native:libhilog",
-    "hiviewdfx_hilog_native:libhilog",
     "init:libbegetutil",
     "ipc:ipc_core",
+    "napi:ace_napi",
     "utils_base:utils",
   ]
 }