From a13bc3f0bdd10e6e396f639db62f03ed2306a7b4 Mon Sep 17 00:00:00 2001
From: kuaifan <aipaw@live.cn>
Date: Thu, 12 May 2022 15:10:21 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E4=BC=98=E5=8C=96=E6=B6=88=E6=81=AF?=
 =?UTF-8?q?=E5=88=97=E8=A1=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package.json                                  |   1 +
 .../pages/manage/components/DialogWrapper.vue | 259 +++---
 resources/assets/sass/dark.scss               |  48 +-
 .../sass/pages/components/dialog-wrapper.scss | 866 +++++++++---------
 .../sass/pages/components/project-dialog.scss |   3 -
 .../sass/pages/components/task-detail.scss    |   5 +-
 6 files changed, 587 insertions(+), 595 deletions(-)

diff --git a/package.json b/package.json
index 8a15956d5..4690a4f0e 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
         "vue-resize-observer": "^2.0.16",
         "vue-router": "^3.5.3",
         "vue-template-compiler": "^2.6.14",
+        "vue-virtual-scroller-hi": "^1.0.10-1",
         "vuedraggable": "^2.24.3",
         "vuex": "^3.6.2",
         "webpack": "^5.69.1",
diff --git a/resources/assets/js/pages/manage/components/DialogWrapper.vue b/resources/assets/js/pages/manage/components/DialogWrapper.vue
index 0768f01a7..00de9f2ab 100644
--- a/resources/assets/js/pages/manage/components/DialogWrapper.vue
+++ b/resources/assets/js/pages/manage/components/DialogWrapper.vue
@@ -1,6 +1,6 @@
 <template>
     <div
-        v-if="dialogData && dialogData.id"
+        v-if="isReady"
         class="dialog-wrapper"
         @drop.prevent="chatPasteDrag($event, 'drag')"
         @dragover.prevent="chatDragOver(true, $event)"
@@ -51,42 +51,38 @@
                 </ETooltip>
             </div>
         </slot>
-        <ScrollerY
+        <DynamicScroller
             ref="scroller"
-            class="dialog-scroller overlay-y"
-            :style="{opacity: visible ? 1 : 0}"
-            :auto-bottom="isAutoBottom"
-            @on-scroll="chatScroll"
-            static>
-            <div ref="manageList" class="dialog-list">
-                <ul>
-                    <li v-if="dialogData.hasMorePages" class="history" @click="loadNextPage">{{$L('加载历史消息')}}</li>
-                    <li v-else-if="dialogData.loading > 0 && dialogMsgList.length === 0" class="loading"><Loading/></li>
-                    <li v-else-if="dialogMsgList.length === 0" class="nothing">{{$L('暂无消息')}}</li>
-                    <li
-                        v-for="item in dialogMsgList"
-                        :id="'view_' + item.id"
-                        :key="item.id"
-                        :class="{self:item.userid == userId, 'history-tip': topId == item.id}">
-                        <em v-if="topId == item.id" class="history-text">{{$L('历史消息')}}</em>
-                        <div class="dialog-avatar">
-                            <UserAvatar :userid="item.userid" :tooltipDisabled="item.userid == userId" :size="30"/>
-                        </div>
-                        <DialogView :msg-data="item" :dialog-type="dialogData.type"/>
-                    </li>
-                    <li
-                        v-for="item in tempMsgList"
-                        :id="'tmp_' + item.id"
-                        :key="'tmp_' + item.id"
-                        :class="{self:item.userid == userId}">
-                        <div class="dialog-avatar">
-                            <UserAvatar :userid="item.userid" :tooltipDisabled="item.userid == userId" :size="30"/>
-                        </div>
-                        <DialogView :msg-data="item" :dialog-type="dialogData.type"/>
-                    </li>
-                </ul>
-            </div>
-        </ScrollerY>
+            :items="allMsgs"
+            :min-item-size="58"
+            @onScroll="onScroll"
+            class="dialog-scroller overlay-y">
+            <template #before>
+                <div v-if="dialogData.hasMorePages" class="dialog-item history" @click="loadNextPage">{{$L('加载历史消息')}}</div>
+                <div v-else-if="dialogData.loading > 0 && dialogMsgList.length === 0" class="dialog-item loading"><Loading/></div>
+                <div v-else-if="dialogMsgList.length === 0" class="dialog-item nothing">{{$L('暂无消息')}}</div>
+            </template>
+            <template v-slot="{ item, index, active }">
+                <DynamicScrollerItem
+                    :item="item"
+                    :active="active"
+                    :size-dependencies="[item.msg]"
+                    :data-index="index"
+                    :data-active="active"
+                    :class="{
+                        'dialog-item': true,
+                        'self': item.userid == userId,
+                        'history-tip': topId == item.id
+                    }"
+                    @click.native="">
+                    <em v-if="topId == item.id" class="history-text">{{$L('历史消息')}}</em>
+                    <div class="dialog-avatar">
+                        <UserAvatar :userid="item.userid" :tooltipDisabled="item.userid == userId" :size="30"/>
+                    </div>
+                    <DialogView :msg-data="item" :dialog-type="dialogData.type"/>
+                </DynamicScrollerItem>
+            </template>
+        </DynamicScroller>
         <div :class="['dialog-footer', msgNew > 0 && dialogMsgList.length > 0 ? 'newmsg' : '']" @click="onActive">
             <div class="dialog-newmsg" @click="onToBottom">{{$L('有' + msgNew + '条新消息')}}</div>
             <div class="dialog-input">
@@ -161,19 +157,30 @@
 </template>
 
 <script>
-import ScrollerY from "../../../components/ScrollerY";
 import {mapState} from "vuex";
 import DialogView from "./DialogView";
 import DialogUpload from "./DialogUpload";
-import {Store} from "le5le-store";
 import UserInput from "../../../components/UserInput";
 import DrawerOverlay from "../../../components/DrawerOverlay";
 import DialogGroupInfo from "./DialogGroupInfo";
 import ChatInput from "./ChatInput";
 
+import { DynamicScroller, DynamicScrollerItem } from 'vue-virtual-scroller-hi'
+import 'vue-virtual-scroller-hi/dist/vue-virtual-scroller.css'
+
 export default {
     name: "DialogWrapper",
-    components: {ChatInput, DialogGroupInfo, DrawerOverlay, UserInput, DialogUpload, DialogView, ScrollerY},
+    components: {
+        DynamicScroller,
+        DynamicScrollerItem,
+        ChatInput,
+        DialogGroupInfo,
+        DrawerOverlay,
+        UserInput,
+        DialogUpload,
+        DialogView
+    },
+
     props: {
         dialogId: {
             type: Number,
@@ -183,21 +190,13 @@ export default {
 
     data() {
         return {
-            visible: true,
-            autoBottom: true,
-            autoInterval: null,
-
-            dialogDrag: false,
-            inputFocus: false,
-
             msgText: '',
             msgNew: 0,
             topId: 0,
 
+            allMsgs: [],
             tempMsgs: [],
 
-            dialogMsgSubscribe: null,
-
             pasteShow: false,
             pasteFile: [],
             pasteItem: [],
@@ -206,19 +205,17 @@ export default {
             createGroupData: {},
             createGroupLoad: 0,
 
+            dialogDrag: false,
             groupInfoShow: false,
         }
     },
 
     mounted() {
-        this.dialogMsgSubscribe = Store.subscribe('dialogMsgPush', this.addDialogMsg);
+
     },
 
     beforeDestroy() {
-        if (this.dialogMsgSubscribe) {
-            this.dialogMsgSubscribe.unsubscribe();
-            this.dialogMsgSubscribe = null;
-        }
+
     },
 
     computed: {
@@ -230,12 +227,16 @@ export default {
             'wsOpenNum',
         ]),
 
+        isReady() {
+            return this.dialogId > 0 && this.dialogData.id > 0
+        },
+
         dialogData() {
             return this.cacheDialogs.find(({id}) => id == this.dialogId) || {};
         },
 
         dialogMsgList() {
-            if (!this.dialogId) {
+            if (!this.isReady) {
                 return [];
             }
             return $A.cloneJSON(this.dialogMsgs.filter(({dialog_id}) => {
@@ -245,15 +246,8 @@ export default {
             });
         },
 
-        isAutoBottom() {
-            if (this.inputFocus && !this.isDesktop) {
-                return false;
-            }
-            return this.autoBottom
-        },
-
         tempMsgList() {
-            if (!this.dialogId) {
+            if (!this.isReady) {
                 return [];
             }
             return $A.cloneJSON(this.tempMsgs.filter(({dialog_id}) => {
@@ -261,6 +255,14 @@ export default {
             }));
         },
 
+        allMsgList() {
+            const {dialogMsgList, tempMsgList} = this;
+            if (tempMsgList.length > 0) {
+                dialogMsgList.push(...tempMsgList);
+            }
+            return dialogMsgList;
+        },
+
         peopleNum() {
             return this.dialogData.type === 'group' ? $A.runNum(this.dialogData.people) : 0;
         },
@@ -313,20 +315,7 @@ export default {
                 if (id) {
                     this.msgNew = 0;
                     this.topId = -1;
-                    this.visible = false;
-                    if (this.dialogMsgList.length > 0) {
-                        setTimeout(_ => {
-                            this.onToBottom();
-                            this.visible = true;
-                        }, 10);
-                    }
-                    let startTime = new Date().getTime();
-                    this.$store.dispatch("getDialogMsgs", id).then(_ => {
-                        setTimeout(_ => {
-                            this.onToBottom();
-                            this.visible = true;
-                        }, Math.max(0, 100 - (new Date().getTime() - startTime)));
-                    });
+                    this.$store.dispatch("getDialogMsgs", id).then(this.onToBottom).catch(_ => {});
                 }
             },
             immediate: true
@@ -335,7 +324,21 @@ export default {
         wsOpenNum(num) {
             if (num <= 1) return
             this.$store.dispatch("getDialogMsgs", this.dialogId).catch(_ => {});
-        }
+        },
+
+        allMsgList(newList, oldList) {
+            const {scrollE} = this.scrollInfo();
+            this.allMsgs = newList;
+            this.$nextTick(_ => {
+                if (scrollE > 10 && oldList.length > 0) {
+                    const lastId = oldList[oldList.length - 1].id
+                    const tmpList = newList.filter(item => item.id && item.id > lastId)
+                    this.msgNew += tmpList.length
+                } else {
+                    this.onToBottom();
+                }
+            })
+        },
     },
 
     methods: {
@@ -353,6 +356,12 @@ export default {
             }
             msgText = msgText.replace(/<\/span> <\/p>$/, "</span></p>")
             //
+            if (!this.isDesktop) {
+                this.$refs.input.blur();
+            }
+            this.onToBottom();
+            this.onActive();
+            //
             let tempId = $A.randomString(16);
             this.tempMsgs.push({
                 id: tempId,
@@ -363,11 +372,6 @@ export default {
                     text: msgText,
                 },
             });
-            if (!this.isDesktop) {
-                this.$refs.input.blur();
-            }
-            this.onToBottom();
-            this.onActive();
             //
             this.$store.dispatch("call", {
                 url: 'dialog/msg/sendtext',
@@ -441,6 +445,12 @@ export default {
         chatFile(type, file) {
             switch (type) {
                 case 'progress':
+                    if (!this.isDesktop) {
+                        this.$refs.input.blur();
+                    }
+                    this.onToBottom();
+                    this.onActive();
+                    //
                     this.tempMsgs.push({
                         id: file.tempId,
                         dialog_id: this.dialogData.id,
@@ -448,11 +458,6 @@ export default {
                         userid: this.userId,
                         msg: { },
                     });
-                    if (!this.isDesktop) {
-                        this.$refs.input.blur();
-                    }
-                    this.onToBottom();
-                    this.onActive();
                     break;
 
                 case 'error':
@@ -479,31 +484,11 @@ export default {
             this.onActive();
         },
 
-        chatScroll(res) {
-            switch (res.directionreal) {
-                case 'up':
-                    if (res.scrollE < 10) {
-                        this.msgNew = 0;
-                        this.autoBottom = true;
-                    }
-                    break;
-                case 'down':
-                    this.autoBottom = false;
-                    break;
-            }
-            if (res.scale >= 1) {
-                this.msgNew = 0;
-                this.autoBottom = true;
-            }
-        },
-
         onEventFocus(e) {
-            this.inputFocus = true;
             this.$emit("on-focus", e)
         },
 
         onEventBlur(e) {
-            this.inputFocus = false;
             this.$emit("on-blur", e)
         },
 
@@ -518,8 +503,10 @@ export default {
         },
 
         onToBottom() {
-            this.autoBottom = true;
-            this.$refs.scroller && this.$refs.scroller.autoToBottom();
+            this.msgNew = 0;
+            if (this.isReady) {
+                this.$refs.scroller.scrollToBottom();
+            }
         },
 
         openProject() {
@@ -537,30 +524,18 @@ export default {
         },
 
         loadNextPage() {
-            let topId = this.dialogMsgList[0].id;
+            let tmpId = this.allMsgs[0].id;
             this.$store.dispatch('getDialogMoreMsgs', this.dialogId).then(() => {
                 this.$nextTick(() => {
-                    this.topId = topId;
-                    $A.scrollToView(document.getElementById("view_" + topId), {
-                        behavior: 'instant',
-                        inline: 'start',
-                    })
+                    this.topId = tmpId;
+                    const index = this.allMsgs.findIndex(({id}) => id == tmpId);
+                    if (index > -1) {
+                        this.$refs.scroller.scrollToItem(index);
+                    }
                 });
             }).catch(() => {})
         },
 
-        addDialogMsg() {
-            if (this.isAutoBottom) {
-                this.$nextTick(this.onToBottom);
-            } else {
-                this.$nextTick(() => {
-                    if (this.$refs.scroller && this.$refs.scroller.scrollInfo().scrollE > 10) {
-                        this.msgNew++;
-                    }
-                })
-            }
-        },
-
         openCreateGroup() {
             this.createGroupData = {
                 userids: this.dialogData.dialog_user ? [this.userId, this.dialogData.dialog_user.userid] : [this.userId],
@@ -586,6 +561,36 @@ export default {
                 this.createGroupLoad--;
             });
         },
+
+        scrollInfo() {
+            if (!this.isReady) {
+                return {
+                    scale: 0,       //已滚动比例
+                    scrollY: 0,     //滚动的距离
+                    scrollE: 0,     //与底部距离
+                }
+            }
+            const scrollerView = this.$refs.scroller.$el;
+            let wInnerH = scrollerView.clientHeight;
+            let wScrollY = scrollerView.scrollTop;
+            let bScrollH = scrollerView.scrollHeight;
+            this.scrollY = wScrollY;
+            return {
+                scale: wScrollY / (bScrollH - wInnerH),
+                scrollY: wScrollY,
+                scrollE: bScrollH - wInnerH - wScrollY,
+            }
+        },
+
+        onScroll() {
+            this.__onScroll && clearTimeout(this.__onScroll);
+            this.__onScroll = setTimeout(_ => {
+                const {scrollE} = this.scrollInfo();
+                if (scrollE <= 10) {
+                    this.msgNew = 0;
+                }
+            }, 100)
+        },
     }
 }
 </script>
diff --git a/resources/assets/sass/dark.scss b/resources/assets/sass/dark.scss
index 8eb0331bd..956309015 100644
--- a/resources/assets/sass/dark.scss
+++ b/resources/assets/sass/dark.scss
@@ -179,37 +179,33 @@ body.dark-mode-reverse {
             }
         }
         .dialog-scroller {
-            .dialog-list {
-                > ul {
-                    > li {
-                        .dialog-view {
-                            .dialog-head {
-                                .dialog-content {
-                                    background-color: #e1e1e1;
-                                    .content-text {
-                                        color: #ffffff;
-                                        .content-text {
-                                            > pre {
-                                                .mention {
-                                                    color: #000000;
-                                                }
-                                            }
+            .dialog-item {
+                .dialog-view {
+                    .dialog-head {
+                        .dialog-content {
+                            background-color: #e1e1e1;
+                            .content-text {
+                                color: #ffffff;
+                                .content-text {
+                                    > pre {
+                                        .mention {
+                                            color: #000000;
                                         }
                                     }
                                 }
                             }
                         }
-                        &.self {
-                            .dialog-view {
-                                .dialog-head {
-                                    .dialog-content {
-                                        background-color: #8bcf70;
-                                        .content-text {
-                                            > pre {
-                                                .mention {
-                                                    color: #000000;
-                                                }
-                                            }
+                    }
+                }
+                &.self {
+                    .dialog-view {
+                        .dialog-head {
+                            .dialog-content {
+                                background-color: #8bcf70;
+                                .content-text {
+                                    > pre {
+                                        .mention {
+                                            color: #000000;
                                         }
                                     }
                                 }
diff --git a/resources/assets/sass/pages/components/dialog-wrapper.scss b/resources/assets/sass/pages/components/dialog-wrapper.scss
index f67ed0425..9e3f54044 100644
--- a/resources/assets/sass/pages/components/dialog-wrapper.scss
+++ b/resources/assets/sass/pages/components/dialog-wrapper.scss
@@ -180,478 +180,469 @@
     }
 
     .dialog-scroller {
-        position: relative;
         flex: 1;
-        padding: 0 32px;
-        overflow: auto;
+        position: relative;
+        padding: 16px 32px 0;
 
-        .dialog-list {
-            > ul {
-                > li {
-                    display: flex;
-                    flex-direction: row;
-                    align-items: flex-start;
-                    list-style: none;
-                    margin-bottom: 16px;
+        .dialog-item {
+            display: flex;
+            flex-direction: row;
+            align-items: flex-start;
+            list-style: none;
+            padding-bottom: 16px;
 
-                    &:first-child {
-                        margin-top: 16px;
-                    }
+            .dialog-avatar {
+                position: relative;
+                margin-bottom: 20px;
+                flex-shrink: 0;
+                width: 30px;
+                height: 30px;
+            }
 
-                    .dialog-avatar {
-                        position: relative;
-                        margin-bottom: 20px;
-                        flex-shrink: 0;
-                        width: 30px;
-                        height: 30px;
-                    }
+            .dialog-view {
+                display: flex;
+                flex-direction: column;
+                align-items: flex-start;
+                margin: 0 0 0 8px;
+                position: relative;
 
-                    .dialog-view {
-                        display: flex;
-                        flex-direction: column;
-                        align-items: flex-start;
-                        margin: 0 0 0 8px;
-                        position: relative;
+                &.text {
+                    max-width: 70%;
+                }
 
-                        &.text {
-                            max-width: 70%;
-                        }
-
-                        &:hover {
-                            .dialog-head {
-                                .dialog-menu {
-                                    opacity: 1;
-                                }
-                            }
-                        }
-
-                        .dialog-username {
-                            margin-bottom: 6px;
-                            opacity: 0.8;
-                        }
-
-                        .dialog-head {
-                            display: flex;
-                            align-items: flex-start;
-
-                            .dialog-content {
-                                background-color: #F4F5F7;
-                                padding: 8px;
-                                min-width: 32px;
-                                border-radius: 0 6px 6px 6px;
-                                display: flex;
-                                align-items: flex-start;
-
-                                &.an-emoticon,
-                                &.an-emoji,
-                                &.two-emoji,
-                                &.three-emoji {
-                                    background-color: transparent !important;
-                                }
-
-                                &.an-emoji {
-                                    .content-text {
-                                        > pre {
-                                            font-size: 72px;
-                                            line-height: 1;
-                                        }
-                                    }
-                                }
-
-                                &.two-emoji {
-                                    .content-text {
-                                        > pre {
-                                            font-size: 52px;
-                                            line-height: 1;
-                                        }
-                                    }
-                                }
-
-                                &.three-emoji {
-                                    .content-text {
-                                        > pre {
-                                            font-size: 32px;
-                                            line-height: 1;
-                                        }
-                                    }
-                                }
-
-                                .content-text {
-                                    color: #333333;
-
-                                    > pre {
-                                        display: block;
-                                        margin: 0;
-                                        padding: 0;
-                                        line-height: 1.5;
-                                        white-space: pre-wrap;
-                                        word-wrap: break-word;
-                                        word-break: break-word;
-                                        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
-                                        font-size: 14px;
-
-                                        ol,
-                                        ul {
-                                            li {
-                                                list-style-type: none;
-
-                                                &::before {
-                                                    display: inline-block;
-                                                    white-space: nowrap;
-                                                    width: 1.2em;
-                                                    color: #0088ff;
-                                                    text-align: left;
-                                                    margin-right: 0.2em;
-                                                }
-                                            }
-                                        }
-
-                                        ul {
-                                            li {
-                                                &::before {
-                                                    content: '\2022';
-                                                    font-weight: 900;
-                                                }
-                                            }
-                                        }
-
-                                        ol {
-                                            li {
-                                                counter-reset: list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9;
-                                                counter-increment: list-0;
-
-                                                &:before {
-                                                    content: counter(list-0, decimal) '. ';
-                                                }
-                                            }
-                                        }
-
-                                        blockquote {
-                                            border-left: 4px solid #ccc;
-                                            margin-bottom: 5px;
-                                            margin-top: 5px;
-                                            padding-left: 16px;
-                                        }
-
-                                        pre {
-                                            white-space: pre-wrap;
-                                            margin: 5px 0;
-                                            padding: 5px 10px;
-                                            border-radius: 3px;
-                                            background-color: #23241f;
-                                            color: #f8f8f2;
-                                            overflow: visible;
-                                        }
-
-                                        img {
-                                            cursor: pointer;
-                                            max-width: 220px;
-                                            max-height: 220px;
-                                            vertical-align: bottom;
-
-                                            &.emoticon {
-                                                max-width: 150px;
-                                                max-height: 150px;
-                                            }
-                                        }
-
-                                        .mention {
-                                            color: $flow-status-end-color;
-                                            background-color: transparent;
-                                            user-select: auto;
-                                            padding: 0;
-                                            margin: 0;
-
-                                            > span {
-                                                margin: 0;
-                                            }
-
-                                            &.task {
-                                                cursor: pointer;
-                                            }
-
-                                            &.me {
-                                                font-size: 13px;
-                                                font-weight: 600;
-                                                padding: 3px 4px;
-                                                color: #ffffff;
-                                                background-color: $primary-color;
-                                            }
-                                        }
-                                    }
-                                }
-
-                                .content-file {
-                                    &.file {
-                                        display: inline-block;
-
-                                        .file-box {
-                                            background-color: #ffffff;
-                                            display: flex;
-                                            align-items: center;
-                                            padding: 10px 14px;
-                                            border-radius: 3px;
-                                            width: 220px;
-
-                                            .file-thumb {
-                                                width: 36px;
-                                            }
-
-                                            .file-info {
-                                                margin-left: 12px;
-                                                display: flex;
-                                                flex-direction: column;
-                                                justify-content: center;
-
-                                                .file-name {
-                                                    color: #333333;
-                                                    font-size: 14px;
-                                                    line-height: 18px;
-                                                    word-break: break-all;
-                                                    text-overflow: ellipsis;
-                                                    overflow: hidden;
-                                                    display: -webkit-box;
-                                                    -webkit-line-clamp: 2;
-                                                    -webkit-box-orient: vertical;
-                                                }
-
-                                                .file-size {
-                                                    padding-top: 4px;
-                                                    color: #666666;
-                                                    font-size: 14px;
-                                                }
-                                            }
-                                        }
-                                    }
-
-                                    &.img {
-                                        padding: 0;
-                                        display: flex;
-                                        max-width: 220px;
-                                        max-height: 220px;
-                                        border-radius: 6px;
-                                        background-color: transparent;
-                                        overflow: hidden;
-
-                                        .file-img {
-                                            display: flex;
-                                            cursor: pointer;
-                                        }
-                                    }
-                                }
-
-                                .content-loading {
-                                    display: flex;
-
-                                    .common-loading {
-                                        width: 20px;
-                                        height: 20px;
-                                        margin: 4px;
-                                    }
-                                }
-
-                                .content-unknown {
-                                    text-decoration: underline;
-                                }
-                            }
-
-                            .dialog-menu {
-                                opacity: 0;
-                                margin-left: 6px;
-                                transition: all 0.3s;
-
-                                .menu-icon {
-                                    display: flex;
-                                    align-items: center;
-                                    border-radius: 4px;
-                                    border: 1px solid #ddd;
-                                    background-color: #ffffff;
-
-                                    > i {
-                                        flex: 1;
-                                        display: inline-block;
-                                        padding: 4px 6px;
-                                        color: #999;
-                                        font-size: 13px;
-                                        cursor: pointer;
-
-                                        & + i {
-                                            border-left: 1px solid #ddd;
-                                        }
-
-                                        &:hover {
-                                            color: #777;
-                                        }
-                                    }
-                                }
-                            }
-                        }
-
-                        .dialog-foot {
-                            display: flex;
-                            align-items: center;
-                            padding-top: 4px;
-                            height: 21px;
-                            line-height: 1;
-
-                            .common-loading {
-                                margin: 0 2px;
-                                width: 10px;
-                                height: 10px;
-                            }
-
-                            .time {
-                                color: #bbbbbb;
-                                font-size: 12px;
-                            }
-
-                            .done {
-                                display: none;
-                                margin-left: 4px;
-                                transform: scale(0.9);
-                                font-size: 12px;
-                                color: $primary-color;
-                            }
-
-                            .percent {
-                                display: none;
-                                margin-left: 4px;
-                                align-items: center;
-                                cursor: pointer;
-                            }
-                        }
-                    }
-
-                    .dialog-action {
-                        align-self: flex-start;
-                        display: flex;
-                        align-items: flex-start;
-                        height: 100%;
-
-                        > * {
-                            margin: 0 5px;
-                        }
-
-                    }
-
-                    &.history {
-                        cursor: pointer;
-                        justify-content: center;
-                        font-size: 13px;
-                        padding: 3px 0;
-                        margin: 12px 0;
-                        opacity: 0.6;
-                        transition: opacity 0.2s;
-
-                        &:hover {
+                &:hover {
+                    .dialog-head {
+                        .dialog-menu {
                             opacity: 1;
                         }
                     }
+                }
 
-                    &.history-tip {
-                        position: relative;
-                        padding-top: 60px;
+                .dialog-username {
+                    margin-bottom: 6px;
+                    opacity: 0.8;
+                }
 
-                        .history-text {
-                            font-style: normal;
-                            position: absolute;
-                            top: 10px;
-                            left: 50%;
-                            height: 22px;
-                            line-height: 22px;
-                            padding: 0 48px;
-                            text-align: center;
-                            font-size: 12px;
-                            border-radius: 2px;
-                            background: #f5f5f5;
-                            transform: translateX(-50%);
+                .dialog-head {
+                    display: flex;
+                    align-items: flex-start;
+
+                    .dialog-content {
+                        background-color: #F4F5F7;
+                        padding: 8px;
+                        min-width: 32px;
+                        border-radius: 0 6px 6px 6px;
+                        display: flex;
+                        align-items: flex-start;
+
+                        &.an-emoticon,
+                        &.an-emoji,
+                        &.two-emoji,
+                        &.three-emoji {
+                            background-color: transparent !important;
                         }
-                    }
 
-                    &.loading {
-                        padding: 12px 0;
-                        justify-content: center;
-
-                        .common-loading {
-                            margin: 0;
-                            width: 18px;
-                            height: 18px;
+                        &.an-emoji {
+                            .content-text {
+                                > pre {
+                                    font-size: 72px;
+                                    line-height: 1;
+                                }
+                            }
                         }
-                    }
 
-                    &.nothing {
-                        position: absolute;
-                        top: 50%;
-                        left: 50%;
-                        transform: translate(-50%, -50%);
-                        color: #999999;
-                    }
+                        &.two-emoji {
+                            .content-text {
+                                > pre {
+                                    font-size: 52px;
+                                    line-height: 1;
+                                }
+                            }
+                        }
 
-                    &.bottom {
-                        height: 0;
-                        margin: 0;
-                        padding: 0;
-                    }
+                        &.three-emoji {
+                            .content-text {
+                                > pre {
+                                    font-size: 32px;
+                                    line-height: 1;
+                                }
+                            }
+                        }
 
-                    &.self {
-                        flex-direction: row-reverse;
+                        .content-text {
+                            color: #333333;
 
-                        .dialog-view {
-                            align-items: flex-end;
-                            margin: 0 8px 0 0;
+                            > pre {
+                                display: block;
+                                margin: 0;
+                                padding: 0;
+                                line-height: 1.5;
+                                white-space: pre-wrap;
+                                word-wrap: break-word;
+                                word-break: break-word;
+                                font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
+                                font-size: 14px;
 
-                            .dialog-head {
-                                flex-direction: row-reverse;
+                                ol,
+                                ul {
+                                    li {
+                                        list-style-type: none;
 
-                                .dialog-content {
-                                    background-color: $primary-color;
-                                    border-radius: 6px 0 6px 6px;
-
-                                    .content-text {
-                                        color: #ffffff;
-
-                                        > pre {
-                                            .mention {
-                                                color: #333333;
-
-                                                &.me {
-                                                    font-size: 14px;
-                                                    font-weight: normal;
-                                                    padding: 3px 0;
-                                                    background-color: transparent;
-                                                }
-                                            }
+                                        &::before {
+                                            display: inline-block;
+                                            white-space: nowrap;
+                                            width: 1.2em;
+                                            color: #0088ff;
+                                            text-align: left;
+                                            margin-right: 0.2em;
                                         }
                                     }
+                                }
 
-                                    .content-file {
-                                        &.file {
-                                            background-color: #F4F5F7;
+                                ul {
+                                    li {
+                                        &::before {
+                                            content: '\2022';
+                                            font-weight: 900;
+                                        }
+                                    }
+                                }
+
+                                ol {
+                                    li {
+                                        counter-reset: list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9;
+                                        counter-increment: list-0;
+
+                                        &:before {
+                                            content: counter(list-0, decimal) '. ';
+                                        }
+                                    }
+                                }
+
+                                blockquote {
+                                    border-left: 4px solid #ccc;
+                                    margin-bottom: 5px;
+                                    margin-top: 5px;
+                                    padding-left: 16px;
+                                }
+
+                                pre {
+                                    white-space: pre-wrap;
+                                    margin: 5px 0;
+                                    padding: 5px 10px;
+                                    border-radius: 3px;
+                                    background-color: #23241f;
+                                    color: #f8f8f2;
+                                    overflow: visible;
+                                }
+
+                                img {
+                                    cursor: pointer;
+                                    max-width: 220px;
+                                    max-height: 220px;
+                                    vertical-align: bottom;
+
+                                    &.emoticon {
+                                        max-width: 150px;
+                                        max-height: 150px;
+                                    }
+                                }
+
+                                .mention {
+                                    color: $flow-status-end-color;
+                                    background-color: transparent;
+                                    user-select: auto;
+                                    padding: 0;
+                                    margin: 0;
+
+                                    > span {
+                                        margin: 0;
+                                    }
+
+                                    &.task {
+                                        cursor: pointer;
+                                    }
+
+                                    &.me {
+                                        font-size: 13px;
+                                        font-weight: 600;
+                                        padding: 3px 4px;
+                                        color: #ffffff;
+                                        background-color: $primary-color;
+                                    }
+                                }
+                            }
+                        }
+
+                        .content-file {
+                            &.file {
+                                display: inline-block;
+
+                                .file-box {
+                                    background-color: #ffffff;
+                                    display: flex;
+                                    align-items: center;
+                                    padding: 10px 14px;
+                                    border-radius: 3px;
+                                    width: 220px;
+
+                                    .file-thumb {
+                                        width: 36px;
+                                    }
+
+                                    .file-info {
+                                        margin-left: 12px;
+                                        display: flex;
+                                        flex-direction: column;
+                                        justify-content: center;
+
+                                        .file-name {
+                                            color: #333333;
+                                            font-size: 14px;
+                                            line-height: 18px;
+                                            word-break: break-all;
+                                            text-overflow: ellipsis;
+                                            overflow: hidden;
+                                            display: -webkit-box;
+                                            -webkit-line-clamp: 2;
+                                            -webkit-box-orient: vertical;
                                         }
 
-                                        &.img {
-                                            border-radius: 6px;
+                                        .file-size {
+                                            padding-top: 4px;
+                                            color: #666666;
+                                            font-size: 14px;
+                                        }
+                                    }
+                                }
+                            }
+
+                            &.img {
+                                padding: 0;
+                                display: flex;
+                                max-width: 220px;
+                                max-height: 220px;
+                                border-radius: 6px;
+                                background-color: transparent;
+                                overflow: hidden;
+
+                                .file-img {
+                                    display: flex;
+                                    cursor: pointer;
+                                }
+                            }
+                        }
+
+                        .content-loading {
+                            display: flex;
+
+                            .common-loading {
+                                width: 20px;
+                                height: 20px;
+                                margin: 4px;
+                            }
+                        }
+
+                        .content-unknown {
+                            text-decoration: underline;
+                        }
+                    }
+
+                    .dialog-menu {
+                        opacity: 0;
+                        margin-left: 6px;
+                        transition: all 0.3s;
+
+                        .menu-icon {
+                            display: flex;
+                            align-items: center;
+                            border-radius: 4px;
+                            border: 1px solid #ddd;
+                            background-color: #ffffff;
+
+                            > i {
+                                flex: 1;
+                                display: inline-block;
+                                padding: 4px 6px;
+                                color: #999;
+                                font-size: 13px;
+                                cursor: pointer;
+
+                                & + i {
+                                    border-left: 1px solid #ddd;
+                                }
+
+                                &:hover {
+                                    color: #777;
+                                }
+                            }
+                        }
+                    }
+                }
+
+                .dialog-foot {
+                    display: flex;
+                    align-items: center;
+                    padding-top: 4px;
+                    height: 21px;
+                    line-height: 1;
+
+                    .common-loading {
+                        margin: 0 2px;
+                        width: 10px;
+                        height: 10px;
+                    }
+
+                    .time {
+                        color: #bbbbbb;
+                        font-size: 12px;
+                    }
+
+                    .done {
+                        display: none;
+                        margin-left: 4px;
+                        transform: scale(0.9);
+                        font-size: 12px;
+                        color: $primary-color;
+                    }
+
+                    .percent {
+                        display: none;
+                        margin-left: 4px;
+                        align-items: center;
+                        cursor: pointer;
+                    }
+                }
+            }
+
+            .dialog-action {
+                align-self: flex-start;
+                display: flex;
+                align-items: flex-start;
+                height: 100%;
+
+                > * {
+                    margin: 0 5px;
+                }
+
+            }
+
+            &.history {
+                cursor: pointer;
+                justify-content: center;
+                font-size: 13px;
+                padding: 3px 0;
+                margin: 12px 0;
+                opacity: 0.6;
+                transition: opacity 0.2s;
+
+                &:hover {
+                    opacity: 1;
+                }
+            }
+
+            &.history-tip {
+                position: relative;
+                padding-top: 60px;
+
+                .history-text {
+                    font-style: normal;
+                    position: absolute;
+                    top: 10px;
+                    left: 50%;
+                    height: 22px;
+                    line-height: 22px;
+                    padding: 0 48px;
+                    text-align: center;
+                    font-size: 12px;
+                    border-radius: 2px;
+                    background: #f5f5f5;
+                    transform: translateX(-50%);
+                }
+            }
+
+            &.loading {
+                padding: 12px 0;
+                justify-content: center;
+
+                .common-loading {
+                    margin: 0;
+                    width: 18px;
+                    height: 18px;
+                }
+            }
+
+            &.nothing {
+                position: absolute;
+                top: 50%;
+                left: 50%;
+                transform: translate(-50%, -50%);
+                color: #999999;
+            }
+
+            &.bottom {
+                height: 0;
+                margin: 0;
+                padding: 0;
+            }
+
+            &.self {
+                flex-direction: row-reverse;
+
+                .dialog-view {
+                    align-items: flex-end;
+                    margin: 0 8px 0 0;
+
+                    .dialog-head {
+                        flex-direction: row-reverse;
+
+                        .dialog-content {
+                            background-color: $primary-color;
+                            border-radius: 6px 0 6px 6px;
+
+                            .content-text {
+                                color: #ffffff;
+
+                                > pre {
+                                    .mention {
+                                        color: #333333;
+
+                                        &.me {
+                                            font-size: 14px;
+                                            font-weight: normal;
+                                            padding: 3px 0;
                                             background-color: transparent;
                                         }
                                     }
                                 }
-
-                                .dialog-menu {
-                                    margin-left: 0;
-                                    margin-right: 6px;
-                                }
                             }
 
-                            .dialog-foot {
-                                .done {
-                                    display: inline-block;
+                            .content-file {
+                                &.file {
+                                    background-color: #F4F5F7;
                                 }
 
-                                .percent {
-                                    display: flex;
+                                &.img {
+                                    border-radius: 6px;
+                                    background-color: transparent;
                                 }
                             }
                         }
+
+                        .dialog-menu {
+                            margin-left: 0;
+                            margin-right: 6px;
+                        }
+                    }
+
+                    .dialog-foot {
+                        .done {
+                            display: inline-block;
+                        }
+
+                        .percent {
+                            display: flex;
+                        }
                     }
                 }
             }
@@ -877,7 +868,8 @@
             }
         }
         .dialog-scroller {
-            padding: 0 14px;
+            padding-right: 14px;
+            padding-left: 14px;
         }
         .dialog-footer {
             background-color: #f8f8f8;
diff --git a/resources/assets/sass/pages/components/project-dialog.scss b/resources/assets/sass/pages/components/project-dialog.scss
index d826a08d5..e4b9d57bd 100644
--- a/resources/assets/sass/pages/components/project-dialog.scss
+++ b/resources/assets/sass/pages/components/project-dialog.scss
@@ -81,9 +81,6 @@
                 padding: 0 12px;
                 height: 64px;
             }
-            .dialog-scroller {
-                padding: 0 14px;
-            }
         }
     }
 }
diff --git a/resources/assets/sass/pages/components/task-detail.scss b/resources/assets/sass/pages/components/task-detail.scss
index 05e19a4d1..5c90e6992 100644
--- a/resources/assets/sass/pages/components/task-detail.scss
+++ b/resources/assets/sass/pages/components/task-detail.scss
@@ -637,7 +637,8 @@
         }
         .dialog-wrapper {
             .dialog-scroller {
-                padding: 0 16px 0 32px
+                padding-right: 16px;
+                padding-left: 32px;
             }
             .dialog-footer {
                 padding: 0 14px 0 28px;
@@ -672,7 +673,7 @@
             min-width: 320px;
             max-width: 450px;
             border-left: 1px solid #f4f5f5;
-            
+
             .head {
                 &:before {
                     left: 18px;