操作列透明度设置为不透明，否则底层显示跟操作列冲突

frontend/src/views/teachOffice/shiftSemester/index.vue

@@ -120,7 +120,7 @@
           </template>
         </el-table-column>
         <el-table-column prop="bz" label="备注" min-width="120" align="left" header-align="center" show-overflow-tooltip />
-        <el-table-column label="操作" width="310" align="center" fixed="right">
+        <el-table-column label="操作" width="310" align="center" fixed="right" class-name="table-action-column">
           <template slot-scope="{ row }">
             <el-button type="text" size="small" @click="handleEdit(row)">编辑</el-button>
             <el-button type="text" size="small" @click="handleEditEventCalendar(row)">班历</el-button>
@@ -533,6 +533,10 @@ export default {
         this.tableData = data.records || []
         this.total = data.total || 0
         this.loading = false
+        // fixed 克隆层在异步数据回填后需要重排，否则行位置与主表错位会透出下层文字
+        this.$nextTick(() => {
+          this.$refs.tableRef && this.$refs.tableRef.doLayout()
+        })
       }).catch(() => {
         this.tableData = []
         this.total = 0