diff --git a/CHANGELOG.md b/CHANGELOG.md
index 730aeff..8c04c31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 0.1.0 (2021-09-10)
+# 0.1.0 (2021-09-13)
 
 ### 🌟 新功能
 范围|描述|commitId
@@ -154,6 +154,7 @@
  - | 时间轴骨架屏修改 | [ca78d02](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/ca78d02)
  - | 检查交付物传参修改 | [ebe0031](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/ebe0031)
  - | 检查交付物传参修改 | [37b51bc](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/37b51bc)
+ - | 添加页面返回功能 解决角色滚动bug | [87ce0f7](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/87ce0f7)
  - | 滚动id函数优化 | [b351b67](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/b351b67)
  - | 监听时间基本点 | [033fca0](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/033fca0)
  - | 角色显示状态修改 | [7d3b906](https://dd.tall.wiki/gitea/wally/tall-mui-3-project/commits/7d3b906)
diff --git a/rest/project.http b/rest/project.http
index 24f1392..35ef7ec 100644
--- a/rest/project.http
+++ b/rest/project.http
@@ -1,14 +1,14 @@
 
 ### login
 # @name login
-POST https://test.tall.wiki/gateway/tall/v1.0/users/signin
+POST https://www.tall.wiki/gateway/tall/v1.0/users/signin
 content-type: application/json;charset=utf-8
 
 {
   "client": 1,
   "data": {
     "credential": "123456",
-	  "identifier": "mazhuang"
+	  "identifier": "zy"
   },
   "scene": 0,
   "type": 3
diff --git a/src/components/TimeLine/TimeLine.vue b/src/components/TimeLine/TimeLine.vue
index 8896223..f0abcb9 100644
--- a/src/components/TimeLine/TimeLine.vue
+++ b/src/components/TimeLine/TimeLine.vue
@@ -53,7 +53,7 @@ export default {
     async handleScrollTop() {
       if (!this.tasks || !this.tasks.length || this.showSkeleton) return;
       const startTime = this.tasks[0].planStart - 0;
-      if ((this.tasks[0].plugins && this.tasks[0].plugins.length === 0) || this.topEnd) {
+      if (this.topEnd) {
         // 没有数据时 自动加载数据
         console.warn('滚动到顶部没有数据时: ');
         const addTasks = setPlaceholderTasks(startTime, true, this.timeGranularity);
@@ -61,8 +61,10 @@ export default {
       } else {
         // 有数据时
         console.warn('滚动到顶部有数据时: ');
+        const detailId = this.tasks.findIndex(task => task.detailId);
+        const timeNode = this.tasks[detailId].planStart - 0;
         const upQuery = {
-          timeNode: startTime,
+          timeNode,
           queryType: 0,
           queryNum: 6,
         };
@@ -75,7 +77,7 @@ export default {
       if (!this.tasks || !this.tasks.length || this.showSkeleton) return;
       const { tasks, timeGranularity } = this;
       const startTime = tasks[tasks.length - 1].planStart - 0;
-      if ((tasks[0].plugins && tasks[0].plugins.length === 0) || this.bottomEnd) {
+      if (this.bottomEnd) {
         // 没有数据时 自动加载数据
         console.warn('滚动到底部没有数据时: ');
         const addTasks = setPlaceholderTasks(startTime, false, this.timeGranularity);
@@ -83,9 +85,15 @@ export default {
       } else {
         // 时间基准点=最后一个任务的开始时间+当前时间颗粒度
         console.warn('滚动到底部有数据时: ');
-        const timeNode = this.$t.time.add(startTime, 1, timeGranularity).valueOf();
+        const arr = [];
+        this.tasks.forEach(task => {
+          if (task.detailId) {
+            arr.push(task);
+          }
+        });
+        const nextQueryTime = +this.$t.time.add(+arr[arr.length - 1].planStart, 1, timeGranularity);
         const downQuery = {
-          timeNode,
+          timeNode: nextQueryTime,
           queryType: 1,
           queryNum: 6,
         };
diff --git a/src/components/TimeLine/component/TimeBox.vue b/src/components/TimeLine/component/TimeBox.vue
index 4378346..9ce1ac0 100644
--- a/src/components/TimeLine/component/TimeBox.vue
+++ b/src/components/TimeLine/component/TimeBox.vue
@@ -85,7 +85,7 @@ export default {
 
   computed: {
     ...mapState('role', ['roleId']),
-    ...mapState('task', ['timeUnit', 'tasks', 'taskLoading', 'topEnd', 'bottomEnd', 'showSkeleton']),
+    ...mapState('task', ['timeUnit', 'tasks', 'taskLoading', 'showSkeleton']),
     ...mapGetters('task', ['startTimeFormat']),
   },
 
diff --git a/src/pages/project/project.vue b/src/pages/project/project.vue
index 17f3ae1..8855fae 100644
--- a/src/pages/project/project.vue
+++ b/src/pages/project/project.vue
@@ -130,15 +130,21 @@ export default {
       // 预加载 上下的定期任务
       function preloadFn(that) {
         const detailId = that.tasks.findIndex(task => task.detailId);
+        const arr = [];
+        that.tasks.forEach(task => {
+          if (task.detailId) {
+            arr.push(task);
+          }
+        });
         if (detailId !== -1) {
           // 只要有1个真实的任务 就预加载上下周期的任务
           const { pageCount } = that.$t.task;
           that.$nextTick(() => {
             // 向上拿数据
             const { tasks, timeGranularity } = that;
-            that.getTasks({ timeNode: +tasks[0].planStart, queryType: 0, queryNum: pageCount });
+            that.getTasks({ timeNode: +tasks[detailId].planStart, queryType: 0, queryNum: pageCount });
             // 向下拿数据
-            const nextQueryTime = +that.$t.time.add(+tasks[tasks.length - 1].planStart, 1, timeGranularity);
+            const nextQueryTime = +that.$t.time.add(+arr[arr.length - 1].planStart, 1, timeGranularity);
             that.getTasks({ timeNode: nextQueryTime, queryType: 1, queryNum: pageCount });
           });
         } else {
@@ -179,13 +185,11 @@ export default {
           // 没有数据 继续加载刻度
           if (data && data.length) {
             this.replacePrevData(data, params.queryType);
+            params.queryType === 0 ? this.setTopEnd(false) : this.setBottomEnd(false);
+          } else {
+            // TODO: 0 -> 向上  1 -> 向下
+            params.queryType === 0 ? this.setPrevPlaceholderTasks() : this.setNextPlaceholderTasks();
           }
-
-          // else {
-          // TODO: 0 -> 向上  1 -> 向下
-
-          //   params.queryType === 0 ? this.setPrevPlaceholderTasks() : this.setNextPlaceholderTasks();
-          // }
           if (this.tasks.length && fn) {
             fn(this);
           }