diff --git a/src/animation/client.h b/src/animation/client.h
index 62306ba9..9e910c47 100644
--- a/src/animation/client.h
+++ b/src/animation/client.h
@@ -251,7 +251,7 @@ void buffer_set_effect(Client *c, BufferData data) {
 		data.corner_location = corner_radii_none();
 	}
 
-	if (blur && !c->noblur) {
+	if (config.blur && !c->noblur) {
 		wlr_scene_blur_set_corner_radii(c->blur, data.corner_location);
 	}
 	wlr_scene_node_for_each_buffer(&c->scene_surface->node,
@@ -355,7 +355,7 @@ void client_draw_shadow(Client *c) {
 }
 
 void client_draw_blur(Client *c, struct wlr_box clip_box, struct ivec2 offset) {
-	if (blur && !c->noblur) {
+	if (config.blur && !c->noblur && c->blur) {
 		wlr_scene_node_set_position(&c->blur->node, offset.x, offset.y);
 		wlr_scene_blur_set_size(c->blur, clip_box.width - c->bw,
 								clip_box.height - c->bw);
@@ -1016,7 +1016,7 @@ void resize(Client *c, struct wlr_box geo, int32_t interact) {
 		apply_border(c);
 		client_get_clip(c, &clip);
 		wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip);
-		if (blur && !c->noblur)
+		if (config.blur && !c->noblur)
 			wlr_scene_blur_set_size(c->blur,
 									c->animation.current.width - 2 * c->bw,
 									c->animation.current.height - 2 * c->bw);
@@ -1139,14 +1139,14 @@ bool client_apply_focus_opacity(Client *c) {
 			   sizeof(c->opacity_animation.current_border_color));
 		c->opacity_animation.current_opacity = target_opacity;
 		client_set_opacity(c, target_opacity);
-		if (blur && !c->noblur && !blur_optimized) {
+		if (config.blur && !c->noblur && !config.blur_optimized) {
 			wlr_scene_blur_set_strength(
-				c->blur, MIN(percent * (1.0 - fadein_begin_opacity) +
-								 fadein_begin_opacity,
+				c->blur, MIN(percent * (1.0 - config.fadein_begin_opacity) +
+								 config.fadein_begin_opacity,
 							 1.0));
 			wlr_scene_blur_set_alpha(
-				c->blur, MIN(percent * (1.0 - fadein_begin_opacity) +
-								 fadein_begin_opacity,
+				c->blur, MIN(percent * (1.0 - config.fadein_begin_opacity) +
+								 config.fadein_begin_opacity,
 							 1.0));
 		}
 		client_set_border_color(c, c->opacity_animation.target_border_color);
diff --git a/src/animation/layer.h b/src/animation/layer.h
index 9872f61d..1b65da3f 100644
--- a/src/animation/layer.h
+++ b/src/animation/layer.h
@@ -328,7 +328,7 @@ void layer_animation_next_tick(LayerSurface *l) {
 			1.0f);
 
 	if (config.animation_fade_in) {
-		if (blur && !l->noblur && !config.blur_optimized) {
+		if (config.blur && !l->noblur && !config.blur_optimized) {
 			wlr_scene_blur_set_strength(l->blur, opacity);
 			wlr_scene_blur_set_alpha(l->blur, opacity);
 		}
@@ -362,7 +362,7 @@ void layer_animation_next_tick(LayerSurface *l) {
 		.height = height,
 	};
 
-	if (blur && blur_layer && !l->noblur && l->blur)
+	if (config.blur && config.blur_layer && !l->noblur && l->blur)
 		wlr_scene_blur_set_size(l->blur, l->animation.current.width,
 								l->animation.current.height);
 
diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index ffb8414b..29789094 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -3352,7 +3352,6 @@ void set_value_default() {
 	config.blur_layer = 0;
 	config.blur_optimized = 1;
 	config.border_radius = 0;
-	config.border_radius_location_default = CORNER_LOCATION_ALL;
 	config.blur_params.num_passes = 1;
 	config.blur_params.radius = 5;
 	config.blur_params.noise = 0.02f;
diff --git a/src/mango.c b/src/mango.c
index 14c8521f..79b540b0 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -2360,19 +2360,6 @@ static void iter_layer_scene_buffers(struct wlr_scene_buffer *buffer,
 	}
 }
 
-void layer_flush_blur_background(LayerSurface *l) {
-	if (!blur)
-		return;
-
-	// 如果背景层发生变化,标记优化的模糊背景缓存需要更新
-	if (l->layer_surface->current.layer ==
-		ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND) {
-		if (l->mon) {
-			wlr_scene_optimized_blur_mark_dirty(l->mon->blur);
-		}
-	}
-}
-
 void layer_flush_blur_background(LayerSurface *l) {
 	if (!config.blur)
 		return;
@@ -2430,7 +2417,7 @@ void maplayersurfacenotify(struct wl_listener *listener, void *data) {
 	if (layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM &&
 		layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND) {
 		if (layer_surface->current.exclusive_zone == 0) {
-			l->shadow = wlr_scene_shadow_create(l->scene, 0, 0, border_radius,
+			l->shadow = wlr_scene_shadow_create(l->scene, 0, 0, config.border_radius,
 												config.shadows_blur, config.shadowscolor);
 			wlr_scene_node_lower_to_bottom(&l->shadow->node);
 			wlr_scene_node_set_enabled(&l->shadow->node, true);