优化提示栏样式--fix1

@CONTROL/表格/CONTROL-BASE.vue.ftl

@@ -1818,7 +1818,9 @@ ${gridColumn.getName()}
     public rowClick($event: any, ifAlways: boolean = false): void {
         // 提示栏样式
         let el: any = document.getElementsByClassName('el-tooltip__popper')[0];
-        el.style.display = 'none';
+        if(el){
+            el.style.display = 'none';
+        }
         // 分组行跳过
         if($event && $event.children){
             return;