diff --git a/src/views/courselibrary/CoursewareManage.vue b/src/views/courselibrary/CoursewareManage.vue
index 32285a7e..486eef1f 100644
--- a/src/views/courselibrary/CoursewareManage.vue
+++ b/src/views/courselibrary/CoursewareManage.vue
@@ -75,10 +75,10 @@
           <div class="btnText">重置</div>
         </div>
         <!-- 2022-11-30注释 后面放开 -->
-        <!-- <div class="btn btn3" @click="openMessage">
+        <div class="btn btn3" @click="openMessage">
           <div class="search"></div>
           <div class="btnText">导出</div>
-        </div> -->
+        </div>
         <div class="btn btn4" @click="of_hShow">
           <div class="search"></div>
           <div class="btnText">新建课程</div>
diff --git a/src/views/projectcenter/TaskAdd.vue b/src/views/projectcenter/TaskAdd.vue
index 55e2a5b2..4c0bb277 100644
--- a/src/views/projectcenter/TaskAdd.vue
+++ b/src/views/projectcenter/TaskAdd.vue
@@ -5,11 +5,11 @@
         <div class="leftmain">
           <div class="tit">
             阶段
-            <!--            <img-->
-            <!--              src="../../assets/images/projectadd/right.png"-->
-            <!--              style="margin-left: 10px; cursor: pointer"-->
-            <!--              @click="showCancel"-->
-            <!--            />-->
+            <img
+              src="../../assets/images/projectadd/right.png"
+              style="margin-left: 10px; cursor: pointer"
+              @click="showCancel"
+            />
           </div>
           <div class="btn btn3" @click="showModal()" style="margin-left: 19px">
             <div class="search"></div>
@@ -880,13 +880,13 @@
             <div class="close_exit" @click="closeCancel"></div>
           </div>
           <div class="body">
-            <span>您确定要取消阶段吗</span>
+            <span>您确定要删除所有阶段吗？</span>
           </div>
           <div class="del_btnbox">
             <div class="del_btn btn1" @click="closeCancel">
               <div class="btnText">取消</div>
             </div>
-            <div class="del_btn btn2" @click="showModal">
+            <div class="del_btn btn2" @click="removeAllLevel">
               <div class="btnText">确定</div>
             </div>
           </div>
@@ -1020,7 +1020,7 @@
             <div class="close_exit" @click="closeDeleteStage"></div>
           </div>
           <div class="body">
-            <span>您确定要删除此阶段</span>
+            <span style="width:320px;display:flex;justify-content:center;align-items:center;">{{level.length==1?"当前阶段为第一阶段，删除后任务将被移出，为无阶段模式，确认删除阶段吗?":"您确定要删除此阶段"}}</span>
           </div>
           <div class="del_btnbox">
             <div class="del_btn btn1" @click="closeDeleteStage">
@@ -1680,6 +1680,7 @@ export default {
     const showDeleteStage = (id) => {
       state.deleteStageId = id;
       state.deleteStageModal = true;
+      console.log(state.level)
     };
     //关闭删除阶段弹窗
     const closeDeleteStage = () => {
@@ -1815,6 +1816,39 @@ export default {
       getTableData(final.taskList);
     };
 
+    // 删除所有阶段
+    const removeAllLevel = () => {
+      // state.cancelModal = false;
+      console.log(state.level)
+      let removeArr = state.level;
+      for(let i=0;i<removeArr.length;i++){
+        let obj = {
+          stageId: removeArr[i].id
+        }
+        apistage
+        .deleteStage(obj)
+        .then((res) => {
+          console.log("删除阶段成功", res);
+          if(removeArr.length-1==i){
+            message.destroy();
+            message.success("删除全部阶段成功");
+            closeDeleteStage();
+            localStorage.setItem("stageId", "");
+            getTask();
+            state.cancelModal = false;
+          }
+        })
+        .catch((err) => {
+          if(removeArr.length-1==i){
+            console.log("删除阶段失败", err);
+            message.destroy();
+            message.success("删除全部阶段失败");
+            state.cancelModal = false;
+          }
+        });
+      }
+    }
+
     //选择单个任务
     const changeRow = (e) => {
       //selectRow:已经选择的任务的id数组
@@ -2019,6 +2053,7 @@ export default {
       temporaryStorage,
       submitStorage,
       cancelStorage,
+      removeAllLevel
     };
   },
 };