diff --git a/examples/routers/table.vue b/examples/routers/table.vue
index c6cf19ea..c5bc28ee 100644
--- a/examples/routers/table.vue
+++ b/examples/routers/table.vue
@@ -23,9 +23,9 @@
 //                        align: 'center'
 //                    },
                     {
-                        title: '姓名',
+                        title: '姓名姓名姓名姓名姓名姓名姓名姓名姓名姓名姓名姓名',
                         key: 'name',
-                        width: 100,
+                        width: 200,
 //                        sortable: true,
 //                        fixed: 'right',
                         render: (h, params) => {
@@ -46,14 +46,14 @@
                         title: '年龄',
                         key: 'age',
                         sortable: true,
-                        width: 100
+                        width: 200
                     },
                     {
                         title: '省份',
                         key: 'province',
                         sortable: true,
 //                        fixed: 'right',
-//                        width: 100
+                        width: 200
                     },
 //                    {
 //                        title: '市区',
diff --git a/src/components/table/table.vue b/src/components/table/table.vue
index e0d2d12a..5d06866e 100644
--- a/src/components/table/table.vue
+++ b/src/components/table/table.vue
@@ -723,9 +723,13 @@
         watch: {
             data: {
                 handler () {
+                    const oldDataLen = this.rebuildData.length;
                     this.objData = this.makeObjData();
                     this.rebuildData = this.makeDataWithSortAndFilter();
                     this.handleResize();
+                    if (!oldDataLen) {
+                        this.fixedHeader();
+                    }
                     // here will trigger before clickCurrentRow, so use async
                     setTimeout(() => {
                         this.cloneData = deepCopy(this.data);