fix: judge array can not find element

pages/index/index.vue

@@ -277,13 +277,17 @@
 						if (item.child.index.length) {
 							item.child.index.forEach(child => {
 								const index = data.list.findIndex(i => i.id === child )
+								if(index != -1) {
 									data.list[index].linkTabsId = item.id
+								}
 							})
 						}
 						if (item.child.data.length) {
 							item.child.data.forEach(child => {
 								const index = data.list.findIndex(i => i.id === child.comp )
+								if(index != -1) {
 									data.list[index].linkTabsId = item.id
+								}
 							})
 						}
 				  }