From 48af13599c9ab5e1cb21f3342e87793b5a173f35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=81=E7=81=8F?= <admin@aresn.com>
Date: Sat, 1 Apr 2017 10:22:34 +0800
Subject: [PATCH] fixed #553

---
 examples/routers/cascader.vue        | 99 ++++++++++++++--------------
 src/components/cascader/cascader.vue |  3 +
 2 files changed, 54 insertions(+), 48 deletions(-)

diff --git a/examples/routers/cascader.vue b/examples/routers/cascader.vue
index a70e831f..c1517c1b 100644
--- a/examples/routers/cascader.vue
+++ b/examples/routers/cascader.vue
@@ -79,60 +79,63 @@
     export default {
         data () {
             return {
-                value2: [],
-                data: [{
-                    value: 'beijing',
-                    label: '北京',
-                    children: [
-                        {
-                            value: 'gugong',
-                            label: '故宫'
-                        },
-                        {
-                            value: 'tiantan',
-                            label: '天坛'
-                        },
-                        {
-                            value: 'wangfujing',
-                            label: '王府井'
-                        }
-                    ]
-                }, {
-                    value: 'jiangsu',
-                    label: '江苏',
-                    children: [
-                        {
-                            value: 'nanjing',
-                            label: '南京',
-                            children: [
-                                {
-                                    value: 'fuzimiao',
-                                    label: '夫子庙',
-                                }
-                            ]
-                        },
-                        {
-                            value: 'suzhou',
-                            label: '苏州',
-                            children: [
-                                {
-                                    value: 'zhuozhengyuan',
-                                    label: '拙政园',
-                                },
-                                {
-                                    value: 'shizilin',
-                                    label: '狮子林',
-                                }
-                            ]
-                        }
-                    ],
-                }]
+                value2: ['beijing', 'gugong'],
+                data: []
             }
         },
         methods: {
             c () {
                 this.value2 = []
             }
+        },
+        mounted () {
+            this.data = [{
+                value: 'beijing',
+                label: '北京',
+                children: [
+                    {
+                        value: 'gugong',
+                        label: '故宫'
+                    },
+                    {
+                        value: 'tiantan',
+                        label: '天坛'
+                    },
+                    {
+                        value: 'wangfujing',
+                        label: '王府井'
+                    }
+                ]
+            }, {
+                value: 'jiangsu',
+                label: '江苏',
+                children: [
+                    {
+                        value: 'nanjing',
+                        label: '南京',
+                        children: [
+                            {
+                                value: 'fuzimiao',
+                                label: '夫子庙',
+                            }
+                        ]
+                    },
+                    {
+                        value: 'suzhou',
+                        label: '苏州',
+                        children: [
+                            {
+                                value: 'zhuozhengyuan',
+                                label: '拙政园',
+                            },
+                            {
+                                value: 'shizilin',
+                                label: '狮子林',
+                            }
+                        ]
+                    }
+                ],
+            }]
         }
     }
 </script>
diff --git a/src/components/cascader/cascader.vue b/src/components/cascader/cascader.vue
index 7c0b867b..b58bc712 100644
--- a/src/components/cascader/cascader.vue
+++ b/src/components/cascader/cascader.vue
@@ -219,6 +219,9 @@
                     return;
                 }
                 this.updateSelected(true);
+            },
+            data () {
+                this.$nextTick(() => this.updateSelected());
             }
         }
     };