diff --git a/src/module/weather/sun.ts b/src/module/weather/sun.ts
index f050565..af5c7e8 100644
--- a/src/module/weather/sun.ts
+++ b/src/module/weather/sun.ts
@@ -1,5 +1,8 @@
 import { Shader, ShaderProgram } from '@/core/render/shader';
 import { IWeather, WeatherController } from './weather';
+import { MotaOffscreenCanvas2D } from '@/core/fx/canvas2d';
+import { GL2Program } from '@/core/render/gl2';
+import { Transform } from '@/core/render/transform';
 
 export class SunWeather implements IWeather {
     static id: string = 'sun';
@@ -14,5 +17,19 @@ export class SunWeather implements IWeather {
 WeatherController.register(SunWeather);
 
 class SunShader extends Shader {
-    protected override postDraw(gl: WebGL2RenderingContext): void {}
+    protected preDraw(
+        canvas: MotaOffscreenCanvas2D,
+        transform: Transform,
+        gl: WebGL2RenderingContext,
+        program: GL2Program
+    ): boolean {
+        return true;
+    }
+
+    protected postDraw(
+        canvas: MotaOffscreenCanvas2D,
+        transform: Transform,
+        gl: WebGL2RenderingContext,
+        program: GL2Program
+    ): void {}
 }
diff --git a/src/plugin/chase/chase.ts b/src/plugin/chase/chase.ts
index 35b8d18..d1e1826 100644
--- a/src/plugin/chase/chase.ts
+++ b/src/plugin/chase/chase.ts
@@ -1,5 +1,6 @@
 import { MotaOffscreenCanvas2D } from '@/core/fx/canvas2d';
 import { CameraAnimation } from '@/core/render/camera';
+import { Container } from '@/core/render/container';
 import { LayerGroup } from '@/core/render/preset/layer';
 import { MotaRenderer } from '@/core/render/render';
 import { Shader } from '@/core/render/shader';
@@ -319,10 +320,8 @@ export class Chase extends EventEmitter<ChaseEvent> {
         }
         this.onTimeListener.sort((a, b) => a.time - b.time);
         const render = MotaRenderer.get('render-main')!;
-        const mapDraw = render.getElementById('map-draw')!;
-        render.appendChild(Chase.shader);
-        mapDraw.remove();
-        mapDraw.append(Chase.shader);
+        const mapDraw = render.getElementById('map-draw') as Container;
+        Chase.shader.append(mapDraw);
         this.emit('start');
     }
 
@@ -335,11 +334,7 @@ export class Chase extends EventEmitter<ChaseEvent> {
         this.layer.removeTicker(this.delegation);
         this.pathSprite?.destroy();
         this.heroMove.off('stepEnd', this.onStepEnd);
-        const render = MotaRenderer.get('render-main')!;
-        const mapDraw = render.getElementById('map-draw')!;
-        mapDraw.remove();
         Chase.shader.remove();
-        mapDraw.append(render);
         this.emit('end', success);
         this.removeAllListeners();
     }