已完成状态时，强制撤回禁用置灰

src/views/userCenter/processCenter/sentProcess.vue

@@ -29,7 +29,8 @@
 
                     <el-button :disabled="tableData[scope.$index].status=='已完成'" @click.native.prevent="back(scope.$index, tableData)" type="text" size="small"
                         >
-                        <span style="color: rgb(236, 128, 141)">强制撤回</span>
+                        <span :style="tableData[scope.$index].status=='已完成' ?  {color:icolor } :{color:color}" >强制撤回</span>
+                      
                     </el-button>
                 </template>
             </el-table-column>
@@ -42,6 +43,8 @@ export default {
     name: "sentProcess",
     data() {
         return {
+            color:'rgb(236, 128, 141)',
+            icolor:'rgb(119,136,153)',
             tableData: [
                 {
                     processId: "2016-05-1",