diff --git a/frameworks/wms/lite_proxy_windows_manager.cpp b/frameworks/wms/lite_proxy_windows_manager.cpp
index d2d9888cace7071f46120250d318e9b82bfdaa92..8cb7033d4320e364e54aeb8799f10653bfc07dda 100644
--- a/frameworks/wms/lite_proxy_windows_manager.cpp
+++ b/frameworks/wms/lite_proxy_windows_manager.cpp
@@ -25,8 +25,9 @@ int LiteProxyWindowsManager::Init()
 {
     GRAPHIC_LOGI("Init");
     LiteWMSClient::GetInstance()->InitLiteWMSClient();
-    LiteWMRequestor::GetInstance()->ClientRegister();
-    LiteWMRequestor::GetInstance()->GetLayerInfo();
+    LiteWMRequestor* requestor = LiteWMRequestor::GetInstance();
+    requestor->ClientRegister();
+    requestor->GetLayerInfo();
     return 0;
 }
 
diff --git a/services/wms/lite_win.cpp b/services/wms/lite_win.cpp
index 2362bf88c40450a9607f9cde27824739f248448f..0cc85e274be52b8513f307768aea9f9b201a05bc 100644
--- a/services/wms/lite_win.cpp
+++ b/services/wms/lite_win.cpp
@@ -264,9 +264,10 @@ Surface* LiteWindow::GetSurface()
 void LiteWindow::MoveTo(int16_t x, int16_t y)
 {
     GRAPHIC_LOGI("{%d,%d}=>{%d,%d}", config_.rect.GetLeft(), config_.rect.GetTop(), x, y);
-    LiteWM::GetInstance()->UpdateWindowRegion(this, config_.rect);
+    LiteWM* liteWM = LiteWM::GetInstance();
+    liteWM->UpdateWindowRegion(this, config_.rect);
     config_.rect.SetPosition(x, y);
-    LiteWM::GetInstance()->UpdateWindowRegion(this, config_.rect);
+    liteWM->UpdateWindowRegion(this, config_.rect);
 }
 
 void LiteWindow::Resize(int16_t width, int16_t height)