diff --git a/resources/assets/js/components/GanttView.vue b/resources/assets/js/components/GanttView.vue
index ab3043933..f7a6f1b24 100644
--- a/resources/assets/js/components/GanttView.vue
+++ b/resources/assets/js/components/GanttView.vue
@@ -1,28 +1,37 @@
 <template>
     <div class="common-gantt">
-        <div class="gantt-left" :style="{width:menuWidth+'px'}">
+        <div class="gantt-left" :style="leftStyle">
             <div class="gantt-title">
                 <div class="gantt-title-text">{{$L('任务名称')}}</div>
+                <div class="gantt-title-right"><slot name="titleTool"/></div>
             </div>
             <ul ref="ganttItem"
                 class="gantt-item"
                 @scroll="itemScrollListener"
                 @mouseenter="mouseType='item'">
-                <li v-for="(item, key) in lists" :key="key">
-                    <div v-if="item.overdue" class="item-overdue" @click="clickItem(item)">{{$L('已超期')}}</div>
-                    <div class="item-title" :class="{complete:item.complete, overdue:item.overdue}" @click="clickItem(item)">{{item.label}}</div>
-                    <Icon class="item-icon" type="ios-locate-outline" @click="scrollPosition(key)"/>
+                <li v-for="(item, key) in lists" :key="key" @click="clickItem(item, key)">
+                    <div v-if="item.overdue" class="item-overdue">{{$L('已超期')}}</div>
+                    <div class="item-title" :class="{complete:item.complete, overdue:item.overdue}">{{item.label}}</div>
+                    <Icon class="item-icon" type="ios-locate-outline" @click.stop="scrollPosition(key)"/>
                 </li>
             </ul>
         </div>
         <div ref="ganttRight" class="gantt-right">
+            <div class="gantt-size" @click="maximize=!maximize">
+                <i v-if="maximize" class="taskfont">&#xe7d4;</i>
+                <i v-else class="taskfont">&#xe7d3;</i>
+            </div>
             <div class="gantt-chart">
                 <ul class="gantt-month">
                     <li v-for="(item, key) in monthNum" :key="key" :style="monthStyle(key)">
                         <div class="month-format">{{monthFormat(key)}}</div>
                     </li>
                 </ul>
-                <ul class="gantt-date" @mousedown="dateMouseDown">
+                <ul class="gantt-date"
+                    @touchstart="dateTouchstart"
+                    @touchmove="dateTouchmove"
+                    @touchend="dateTouchend"
+                    @mousedown="dateMouseDown">
                     <li v-for="(item, key) in dateNum" :key="key" :style="dateStyle(key)">
                         <div class="date-format">
                             <div class="format-day">{{dateFormat(key, 'day')}}</div>
@@ -77,10 +86,13 @@ export default {
             mouseItem: null,
             mouseBak: {},
 
-            dateMove: null
+            dateMove: null,
+
+            maximize: false,
         }
     },
     mounted() {
+        this.maximize = this.windowPortrait;
         this.dateWidth = this.itemWidth;
         this.$refs.ganttRight.addEventListener('mousewheel', this.handleScroll, false);
         document.addEventListener('mousemove', this.itemMouseMove);
@@ -97,9 +109,21 @@ export default {
     watch: {
         itemWidth(val) {
             this.dateWidth = val;
+        },
+        maximize() {
+            this.$nextTick(() => {
+                this.handleResize();
+            })
         }
     },
     computed: {
+        leftStyle({menuWidth, maximize}) {
+            const style = {width: menuWidth + 'px'}
+            if (maximize) {
+                style.display = 'none';
+            }
+            return style
+        },
         monthNum() {
             const {ganttWidth, dateWidth} = this;
             return Math.floor(ganttWidth / dateWidth / 30) + 2
@@ -271,6 +295,31 @@ export default {
         handleResize() {
             this.ganttWidth = this.$refs.ganttTimeline.clientWidth;
         },
+        dateTouchstart(e) {
+            if (this.windowPortrait) {
+                this.maximize = true
+            }
+            this.mouseItem = null;
+            this.dateMove = {
+                clientX: e.touches[0].clientX
+            };
+        },
+        dateTouchmove(e) {
+            if (this.mouseItem != null) {
+                return
+            }
+            if (this.dateMove != null) {
+                let moveX = (this.dateMove.clientX - e.touches[0].clientX) * 5;
+                this.dateMove.clientX = e.touches[0].clientX;
+                this.mouseWidth+= moveX;
+                this.mouseScaleWidth+= moveX * (100 / this.dateWidth);
+            }
+        },
+        dateTouchend() {
+            if (this.dateMove != null) {
+                this.dateMove = null;
+            }
+        },
         dateMouseDown(e) {
             e.preventDefault();
             this.mouseItem = null;
@@ -308,7 +357,9 @@ export default {
                     }
                 }
                 this.$set(this.mouseItem, this.mouseBak.type, diff);
-            } else if (this.dateMove != null) {
+                return;
+            }
+            if (this.dateMove != null) {
                 e.preventDefault();
                 let moveX = (this.dateMove.clientX - e.clientX) * 5;
                 this.dateMove.clientX = e.clientX;
@@ -344,7 +395,9 @@ export default {
                     this.clickItem(this.mouseItem);
                 }
                 this.mouseItem = null;
-            } else if (this.dateMove != null) {
+                return
+            }
+            if (this.dateMove != null) {
                 this.dateMove = null;
             }
         },
@@ -359,7 +412,11 @@ export default {
             this.mouseWidth+= moveWidth;
             this.mouseScaleWidth+= moveWidth * (100 / this.dateWidth);
         },
-        clickItem(item) {
+        clickItem(item, key = undefined) {
+            if (key !== undefined && this.windowPortrait) {
+                this.scrollPosition(key)
+                return
+            }
             this.$emit("on-click", item)
         }
     }
diff --git a/resources/assets/js/pages/manage/components/ProjectGantt.vue b/resources/assets/js/pages/manage/components/ProjectGantt.vue
index 166f3594f..a92f7b00d 100644
--- a/resources/assets/js/pages/manage/components/ProjectGantt.vue
+++ b/resources/assets/js/pages/manage/components/ProjectGantt.vue
@@ -5,24 +5,27 @@
             :menuWidth="menuWidth"
             :itemWidth="80"
             @on-change="onChange"
-            @on-click="onClick"/>
-        <Dropdown class="project-gstc-dropdown-filtr" :style="dropStyle" trigger="click" @on-click="onSwitchColumn">
-            <Icon class="project-gstc-dropdown-icon" :class="{filtr:filtrProjectId > 0}" type="md-funnel" />
-            <DropdownMenu slot="list">
-                <DropdownItem :name="0" :class="{'dropdown-active':filtrProjectId == 0}">{{ $L('全部') }}</DropdownItem>
-                <DropdownItem
-                    v-for="(item, index) in projectColumn"
-                    :key="index"
-                    :name="item.id"
-                    :class="{'dropdown-active':filtrProjectId == item.id}">
-                    {{ item.name }}
-                    <span v-if="item.tasks">({{ filtrLength(item.tasks) }})</span>
-                </DropdownItem>
-            </DropdownMenu>
-        </Dropdown>
+            @on-click="onClick">
+            <template #titleTool>
+                <Dropdown class="project-gstc-dropdown-filtr" trigger="click" @on-click="onSwitchColumn">
+                    <Icon class="project-gstc-dropdown-icon" :class="{filtr:filtrProjectId > 0}" type="md-funnel" />
+                    <DropdownMenu slot="list">
+                        <DropdownItem :name="0" :class="{'dropdown-active':filtrProjectId == 0}">{{ $L('全部') }}</DropdownItem>
+                        <DropdownItem
+                            v-for="(item, index) in projectColumn"
+                            :key="index"
+                            :name="item.id"
+                            :class="{'dropdown-active':filtrProjectId == item.id}">
+                            {{ item.name }}
+                            <span v-if="item.tasks">({{ filtrLength(item.tasks) }})</span>
+                        </DropdownItem>
+                    </DropdownMenu>
+                </Dropdown>
+            </template>
+        </GanttView>
         <div class="project-gstc-edit" :class="{info:editShowInfo, visible:editData && editData.length > 0}">
             <div class="project-gstc-edit-info">
-                <Table size="small" max-height="600" :columns="editColumns" :data="editData"></Table>
+                <Table max-height="600" :columns="editColumns" :data="editData"></Table>
                 <div class="project-gstc-edit-btns">
                     <Button :loading="editLoad > 0" size="small" type="text" @click="editSubmit(false)">{{$L('取消')}}</Button>
                     <Button :loading="editLoad > 0" size="small" type="primary" @click="editSubmit(true)">{{$L('保存')}}</Button>
@@ -114,10 +117,6 @@ export default {
             return this.windowWidth < 1440 ? 180 : 260;
         },
 
-        dropStyle() {
-            return this.windowWidth < 1440 ? {left: '142px'} : {};
-        },
-
         completedTask() {
             return this.projectData.cacheParameter.completedTask;
         }
diff --git a/resources/assets/sass/components/gantt-view.scss b/resources/assets/sass/components/gantt-view.scss
index 214a8a93e..76ea600cd 100644
--- a/resources/assets/sass/components/gantt-view.scss
+++ b/resources/assets/sass/components/gantt-view.scss
@@ -33,21 +33,28 @@
         }
 
         .gantt-title {
+            display: flex;
+            align-items: center;
             height: 76px;
             flex-grow: 0;
             flex-shrink: 0;
             background-color: #F9FAFB;
             padding-left: 12px;
+            padding-top: 26px;
             overflow: hidden;
 
             .gantt-title-text {
-                line-height: 100px;
-                max-width: 200px;
+                flex: 1;
+                line-height: 22px;
                 overflow: hidden;
                 text-overflow: ellipsis;
                 white-space: nowrap;
                 font-weight: 600;
             }
+
+            .gantt-title-right {
+                flex-shrink: 0;
+            }
         }
 
         .gantt-item {
@@ -122,6 +129,28 @@
         position: relative;
         overflow: hidden;
 
+        .gantt-size {
+            position: absolute;
+            top: 76px;
+            left: 0;
+            z-index: 2;
+            overflow: hidden;
+            cursor: pointer;
+            user-select: none;
+            padding: 8px 14px;
+            background: rgba(255, 255, 255, 0.502);
+            transition: all 250ms;
+            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
+            border-bottom-right-radius: 9px;
+            &:hover {
+                box-shadow: 0 0 6px rgba(0, 0, 0, 0.15);
+                background: #fff;
+            }
+            > i {
+                font-size: 20px;
+            }
+        }
+
         .gantt-chart {
             position: absolute;
             top: 0;
diff --git a/resources/assets/sass/pages/components/project-gantt.scss b/resources/assets/sass/pages/components/project-gantt.scss
index 719e99d43..149afe22d 100644
--- a/resources/assets/sass/pages/components/project-gantt.scss
+++ b/resources/assets/sass/pages/components/project-gantt.scss
@@ -11,9 +11,7 @@
     overflow: hidden;
 
     .project-gstc-dropdown-filtr {
-        position: absolute;
-        top: 38px;
-        left: 222px;
+        padding: 0 16px;
 
         .project-gstc-dropdown-icon {
             cursor: pointer;