主屏容器补充异常处理, 添加分页错误提醒；调整主屏容器加载时, 对不在连续分页上添加元素的情况进行处理

src/components/grid-container/container.ts

@@ -748,10 +748,25 @@ export class GaiaContainer extends StarBaseElement {
     element: HTMLElement,
     direction: 'front' | 'back' | 'two-way' = 'two-way'
   ) {
-    if (pagination < 0) return
+    if (pagination < 0) {
+      console.error('The pagination should be a natural number!')
+      return
+    } else if (pagination >= this.pages._limit) {
+      console.error(
+        'The pagination has exceeded the limit, pagination:',
+        pagination,
+        '. The pagination up to:',
+        this.pages._limit
+      )
+      return
+    }
+
     let page = this.pages[pagination]
     if (!page) {
-      page = this.addPage()!
+      while (pagination > this.pages.length - 1) {
+        page = this.addPage()!
+      }
+
       if (!page) {
         console.error('Append child error!')
         return
@@ -1488,7 +1503,7 @@ export class GaiaContainer extends StarBaseElement {
   }
 
   continueDrag() {
-    if (!this._dnd.active || !this._dnd.child) {
+    if (!this._dnd.active || !this._dnd.child || !this['drag-and-drop']) {
       return
     }