diff --git a/src/views/document/index.vue b/src/views/document/index.vue
index f076b2a..2d7cef2 100644
--- a/src/views/document/index.vue
+++ b/src/views/document/index.vue
@@ -11,7 +11,6 @@
           clearable
           @keyup.enter.native="crud.toQuery"
         />
-
         <query :crud="crud" />
         <el-upload
           ref="upload"
@@ -57,10 +56,17 @@
     <pagination />
     <el-dialog title="查看历史版本" :visible.sync="dialogTableVisible">
       <el-table :data="gridData">
-        <el-table-column :formatter="formatterFlowName" property="flowname" label="操作环节" />
+        <el-table-column :formatter="formatterFlowName" property="flowName" label="操作环节" width="80" />
         <el-table-column property="filename" label="文件名称" />
-        <el-table-column :formatter="formatter.getChineseName" property="createBy" label="创建人" />
-        <el-table-column property="createTime" label="创建时间" />
+        <el-table-column :formatter="formatter.getChineseName" property="createBy" label="创建人" width="100" />
+        <el-table-column property="createTime" label="创建时间" width="150" />
+        <el-table-column label="操作" width="80">
+          <template v-slot="scope">
+            <el-button v-if="scope.row.flowName !== 0" type="text" @click="viewHistoryFile(scope.row)">
+              预览
+            </el-button>
+          </template>
+        </el-table-column>
       </el-table>
       <el-pagination
         :page-size="params.pageSize"
@@ -189,6 +195,9 @@ export default {
     downLoad(item) {
       downloadFileUrl(this.url + '/' + item.id + item.suffix, item.filename, item.suffix)
     },
+    viewHistoryFile(item) {
+      downloadFileUrl(this.url + '/' + item.inspectionSystemFileId + '_' + item.id + item.suffix, item.filename, item.suffix)
+    },
     downLoadFn(item) {
       download(this.url + '/' + item.id + item.suffix)
     },