diff --git a/demo/src/ui/views/navbar.c b/demo/src/ui/views/navbar.c
index 9498ce2..89c4239 100644
--- a/demo/src/ui/views/navbar.c
+++ b/demo/src/ui/views/navbar.c
@@ -35,5 +35,4 @@ void Navbar_Init(void)
 	btn = LCUIWidget_GetById(BTN_CHANGE_SCALE);
 	dropdown = LCUIWidget_GetById(DROPDOWN_SCALE);
 	Widget_BindEvent(dropdown, "change.dropdown", OnChangeScale, btn, NULL);;
-
 }
diff --git a/src/ui/components/spinner.c b/src/ui/components/spinner.c
index b0cc3ce..4cd1d05 100644
--- a/src/ui/components/spinner.c
+++ b/src/ui/components/spinner.c
@@ -43,7 +43,6 @@
 #define SmoothLeftPixel(PX, X) (uchar_t)((PX)->a * (1.0 - (X - 1.0 * (int)X)))
 #define SmoothRightPixel(PX, X) (uchar_t)((PX)->a * (X - 1.0 * (int)X))
 
-
 typedef enum SpinnerType { SPINNER_DEFAULT, SPINNER_RING } SpinnerType;
 
 typedef struct SpinnerRec_ {
@@ -199,7 +198,8 @@ static void Spinner_OnDestroy(LCUI_Widget w)
 	LCUITimer_Free(spinner->timer);
 }
 
-static void Spinner_AutoSize(LCUI_Widget w, float *width, float *height)
+static void Spinner_AutoSize(LCUI_Widget w, float *width, float *height,
+			     LCUI_LayoutRule rule)
 {
 	float scale = LCUIMetrics_GetScale();
 	Spinner spinner = Widget_GetData(w, spinner_module.proto);
@@ -223,7 +223,7 @@ static void Spinner_OnUpdateStyle(LCUI_Widget w)
 	spinner->line_width = max(2, spinner->size / 8);
 	spinner->color = style.color;
 	CSSFontStyle_Destroy(&style);
-	Widget_UpdateSize(w);
+	Widget_AddTask(w, LCUI_WTASK_REFLOW);
 }
 
 static void Spinner_OnSetAttribute(LCUI_Widget w, const char *name,