修改文案

src/views/studentManager/modals/setMemberList.vue

@@ -130,9 +130,9 @@
           <el-table-column
             align="center"
             prop="createTime"
-            label="添加时间"
+            label="操作时间"
           ></el-table-column>
-          <el-table-column align="center" prop="activeDate" label="添加原因">
+          <el-table-column align="center" prop="activeDate" label="原因">
             <template slot-scope="scope">
               <Tooltip
                 :content="