add 'weight' label to provider list #130 (#435)

diff --git a/dubbo-admin-ui/src/components/ServiceDetail.vue b/dubbo-admin-ui/src/components/ServiceDetail.vue
index 8496a13..366b5ff 100644
--- a/dubbo-admin-ui/src/components/ServiceDetail.vue
+++ b/dubbo-admin-ui/src/components/ServiceDetail.vue
@@ -56,6 +56,7 @@
                 <td>{{getPort(props.item.address)}}</td>
                 <td></td>
                 <td></td>
+                <td>{{props.item.weight}}</td>
                 <td>
                   <v-tooltip top>
                     <v-btn
@@ -174,6 +175,10 @@
               value: 'serial'
             },
             {
+              text: this.$t('weight'),
+              value: 'weight'
+            },
+            {
               text: this.$t('operation'),
               value: 'operate'
             }