diff --git a/windowmanager_aafwk.gni b/windowmanager_aafwk.gni
index 3b87d4be..828292dd 100644
--- a/windowmanager_aafwk.gni
+++ b/windowmanager_aafwk.gni
@@ -16,3 +16,11 @@ aafwk_inner_api_path =
 aafwk_kits_path = "//foundation/ability/ability_runtime/frameworks/kits"
 aafwk_path = "//foundation/ability/ability_runtime"
 aafwk_services_path = "//foundation/ability/ability_runtime/services"
+
+declare_args() {
+  suspend_manager_enable = true
+  if (defined(global_parts_info) &&
+      !defined(global_parts_info.resourceschedule_suspend_manager)) {
+    suspend_manager_enable = false
+  }
+}
\ No newline at end of file
diff --git a/wm/BUILD.gn b/wm/BUILD.gn
index e57dcb7f..aaa03045 100644
--- a/wm/BUILD.gn
+++ b/wm/BUILD.gn
@@ -93,6 +93,12 @@ ohos_shared_library("libwm") {
     "utils_base:utils",
   ]
 
+  defines = []
+  if (suspend_manager_enable) {
+    external_deps += [ "suspend_manager:suspend_manager_client" ]
+    defines += [ "SUSPEND_MANAGER_ENABLE" ]
+  }
+
   part_name = "window_manager"
   subsystem_name = "window"
 }
diff --git a/wm/src/window_manager.cpp b/wm/src/window_manager.cpp
index 34aa8956..8301cda1 100644
--- a/wm/src/window_manager.cpp
+++ b/wm/src/window_manager.cpp
@@ -25,6 +25,9 @@
 #include "window_manager_agent.h"
 #include "window_manager_hilog.h"
 #include "wm_common.h"
+#ifdef SUSPEND_MANAGER_ENABLE
+#include "suspend_manager_client.h"
+#endif // SUSPEND_MANAGER_ENABLE
 
 namespace OHOS {
 namespace Rosen {
@@ -476,6 +479,10 @@ void WindowManager::UpdateFocusChangeInfo(const sptr<FocusChangeInfo>& focusChan
     WLOGFI("window focus change: %{public}d, id: %{public}u", focused, focusChangeInfo->windowId_);
     std::lock_guard<std::recursive_mutex> lock(pImpl_->mutex_);
     if (focused) {
+#ifdef SUSPEND_MANAGER_ENABLE
+        SuspendManager::SuspendManagerClient::GetInstance().ThawOneApplication(
+            focusChangeInfo->uid_, "", SuspendManager::THAW_BY_FOCUS_CHANGED);
+#endif // SUSPEND_MANAGER_ENABLE
         pImpl_->NotifyFocused(focusChangeInfo);
     } else {
         pImpl_->NotifyUnfocused(focusChangeInfo);