修复批量关闭弹窗的问

src/zeroing/game-warpper/StackContainer.ts

@@ -191,10 +191,15 @@ export class StackContainer extends Node {
 		return new Promise(resolve => {
 			const action = 'popAll';
 
-			let lastView = this.getChildAt(0);
 			let len = this.childNum;
-			while (this.children.length > 1) {
-				this.removeChildAt(1);
+			if(len == 0){
+				resolve();
+				return;
+			}
+
+			let lastView = this.getChildAt(len);
+			while (this.children.length > 2) {
+				this.removeChildAt(0);
 			}
 			if (this._mutex) {
 				this._stack.splice(0);
@@ -205,7 +210,7 @@ export class StackContainer extends Node {
 				this.addChild(view);
 			}
 
-			let data = {action, view, lastView, options, hasView: len > 1};
+			let data = {action, view, lastView, options, hasView: false};
 			this.dispatchEvent(Event.START, data);
 			playViewEffect(
 				playEffect ? options ? options.effect : null : null,