banner管理，增加修改按钮

src/views/modules/news/banner.vue

@@ -62,10 +62,6 @@
                          header-align="center"
                          align="center"
                          width="180"></el-table-column>
-        <!-- <el-table-column prop="createdBy"
-                         label="创建人"
-                         header-align="center"
-                         align="center"></el-table-column> -->
         <el-table-column prop="createdTime"
                          label="创建时间"
                          header-align="center"
@@ -89,9 +85,9 @@
                          align="center"
                          width="150">
           <template slot-scope="scope">
-            <!-- <el-button type="text"
+            <el-button type="text"
                        size="small"
-                       @click="addOrUpdateHandle(scope.row.id)">{{ $t('update') }}</el-button> -->
+                       @click="addOrUpdateHandle(scope.row.id)">{{ $t('update') }}</el-button>
             <el-button type="text"
                        size="small"
                        @click="deleteHandle(scope.row.id)">{{ $t('delete') }}</el-button>