bug： 设置class未判断节点是否被销毁

src/engine/element.ts

@@ -88,7 +88,7 @@ export class Element {
 	}
 
 	public add_class_start(): number {
-		return Module._add_class_start(this.document.uniqueID, this.uniqueID);
+		return Module._add_class_start(this.document.uniqueID, this.uniqueID)
 	}
 
     public get display() {

src/engine/gui_lib.ts

@@ -1111,7 +1111,7 @@ const gui_debug = {
 		if(cfg.record) {
 			records.push({type:CmdType._set_border_image_slice, param: [node, u1, v1, u2, v2, fill]})
 		}
-		return gui1._set_border_image_slice(doc,node,u1,v1,u2,v2,fill);
+		return gui1._set_border_image_slice(doc,node,u1,v1,u2,v2,fill?1:0);
 	},
 	_set_border_image_clip: (doc: GUINode, node: GUINode, u1: f32, v1: f32, u2: f32, v2: f32) => { 
 		if (!cfg.useLib) { return 0; }
@@ -1425,7 +1425,7 @@ const gui_debug = {
 		if(cfg.record) {
 			records.push({type:CmdType._set_overflow, param: [node, data]})
 		}
-		return gui1._set_overflow(doc, node, data);
+		return gui1._set_overflow(doc, node, data?1:0);
 	},
 	
 	_set_opacity: (doc: GUINode, node: GUINode, value: f32) => { 
@@ -1449,7 +1449,7 @@ const gui_debug = {
 		if(cfg.record) {
 			records.push({type:CmdType._set_visibility, param: [node, value]})
 		}
-		gui1._set_visibility(doc, node, value);
+		gui1._set_visibility(doc, node, value?1:0);
 	},
 	
 	// ------------ container

src/widget/painter.ts

@@ -145,6 +145,9 @@ export class Painter implements Painter1{
  */
 const mountPatch = (desc: Desc, preStyle: Object, node: VNode, isReplace: boolean) => {
 	let realNode = node.realNode;
+	if(realNode.isDestroy) {
+		return;
+	}
 	let oldClass = realNode.add_class_start();
 	mountPatch1(desc, preStyle, node.ext, 0, node.realNode, node, isReplace);
 	realNode.add_class_end(oldClass);