diff --git a/src/views/task/list/components/checkUnit.vue b/src/views/task/list/components/checkUnit.vue
index 6ef2aa9..0a6ea26 100644
--- a/src/views/task/list/components/checkUnit.vue
+++ b/src/views/task/list/components/checkUnit.vue
@@ -38,9 +38,15 @@
                   附件
                 </template>
                 <div v-for="item in pictureList">
-                  <el-button size="small" style="margin:5px" type="primary" v-if="type=='study'"
-                    @click='openStudy(item.url,item.name)'>开始学习</el-button>
-                  <a :href="item.url" target="_blank">{{item.name}}</a>
+                  <!-- <el-button size="small" style="margin:5px" type="primary" v-if="type=='study'"
+                    @click='openStudy(item.url,item.name)'>开始学习</el-button> -->
+                  <a :href="item.url" target="_blank">{{item.name}}</a>
+                  <el-link target="_blank" style="margin:0 10px;" @click="toshowFile(item.url)" type="primary">
+                    预览
+                  </el-link>
+                  <el-link target="_blank" :href="item.url" type="primary">
+                    下载
+                  </el-link>
                   <!-- <span v-if="type=='study'" @click='openStudy(item.url,item.name)' style="color:red;cursor:pointer;text-decoration: underline;margin:0 5px">开始学习</span> -->
                 </div>
               </el-descriptions-item>
@@ -162,7 +168,15 @@
                   <el-table-column align='left' label="成果资料" width="120">
                     <template slot-scope="scope">
                       <div v-for="item in scope.row.files">
-                        <div @click="toshowFile(item.url)" style="color:#2D8cF0;cursor: pointer;">{{item.original_name}}</div>
+                        <div style="color:#2D8cF0;cursor: pointer;">
+                          <el-link target="_blank" style="margin:0 10px;" @click="toshowFile(item.url)" type="primary">
+                            预览
+                          </el-link>
+                          <el-link target="_blank" :href="item.url" type="primary">
+                            下载
+                          </el-link>
+                        {{item.original_name}}
+                        </div>
                       </div>
                     </template>
                   </el-table-column>
@@ -219,7 +233,15 @@
                   <el-table-column align='left' label="成果资料" width="120">
                     <template slot-scope="scope">
                       <div v-for="item in scope.row.files">
-                        <div @click="toshowFile(item.url)" style="color:#2D8cF0;cursor: pointer;">{{item.original_name}}</div>
+                        <div style="color:#2D8cF0;cursor: pointer;">
+                        <el-link target="_blank" style="margin:0 10px;" @click="toshowFile(item.url)" type="primary">
+                          预览
+                        </el-link>
+                        <el-link target="_blank" :href="item.url" type="primary">
+                          下载
+                        </el-link> {{item.original_name}}
+
+                        </div>
 
                       </div>
                     </template>
@@ -546,7 +568,8 @@
           }
         })
         this.my_mission_distribute = md
-        console.log(this.my_mission_distribute)
+        console.log(this.my_mission_distribute)
+        this.pictureList = []
         for (var f of res.files) {
           this.pictureList.push({
             id: f.id,