超链接

chat/src/components/index.vue

@@ -1288,11 +1288,10 @@
 				let footer = document.getElementById('input_box')
 				main.style.paddingBottom = (footer.offsetHeight - 30) + 'px'
 			},
-			/*监听滚动高度，并给textarea高度赋值*/
+			/** 监听滚动高度，并给textarea高度赋值*/
 			keyup_maxlength(){
 				let area = document.getElementById('textarea')
 				this.makeExpandingArea(area)
-				let main = document.getElementById('main')
 			},
 			/** 兼容处理 */
 			makeExpandingArea(el) {