diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index e7a97e98..d6434c50 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -6,6 +6,7 @@ use App\Exceptions\ApiException;
 use App\Models\AbstractModel;
 use App\Models\Project;
 use App\Models\ProjectColumn;
+use App\Models\ProjectInvite;
 use App\Models\ProjectLog;
 use App\Models\ProjectTask;
 use App\Models\ProjectTaskFile;
@@ -258,6 +259,110 @@ class ProjectController extends AbstractController
         return Base::retSuccess('修改成功', ['id' => $project->id]);
     }
 
+    /**
+     * 获取邀请链接（限：项目负责人）
+     *
+     * @apiParam {Number} project_id        项目ID
+     * @apiParam {String} refresh           刷新链接
+     * - no: 只获取（默认）
+     * - yes: 刷新链接，之前的将失效
+     */
+    public function invite()
+    {
+        User::auth();
+        //
+        $project_id = intval(Request::input('project_id'));
+        $refresh = Request::input('refresh', 'no');
+        //
+        $project = Project::userProject($project_id);
+        if (!$project->owner) {
+            return Base::retError('仅限项目负责人查看');
+        }
+        //
+        $invite = Base::settingFind('system', 'project_invite');
+        if ($invite == 'close') {
+            return Base::retError('未开放此功能');
+        }
+        //
+        $projectInvite = ProjectInvite::whereProjectId($project->id)->first();
+        if (empty($projectInvite)) {
+            $projectInvite = ProjectInvite::createInstance([
+                'project_id' => $project->id,
+                'code' => Base::generatePassword(64),
+            ]);
+            $projectInvite->save();
+        } else {
+            if ($refresh == 'yes') {
+                $projectInvite->code = Base::generatePassword(64);
+                $projectInvite->save();
+            }
+        }
+        return Base::retSuccess('success', [
+            'url' => Base::fillUrl('manage/project/invite?code=' . $projectInvite->code),
+            'num' => $projectInvite->num
+        ]);
+    }
+
+    /**
+     * 通过邀请链接code获取项目信息
+     *
+     * @apiParam {String} code
+     */
+    public function invite__info()
+    {
+        User::auth();
+        //
+        $code = Request::input('code');
+        //
+        $invite = Base::settingFind('system', 'project_invite');
+        if ($invite == 'close') {
+            return Base::retError('未开放此功能');
+        }
+        //
+        $projectInvite = ProjectInvite::with(['project'])->whereCode($code)->first();
+        if (empty($projectInvite)) {
+            return Base::retError('邀请code不存在');
+        }
+        return Base::retSuccess('success', $projectInvite);
+    }
+
+    /**
+     * 通过邀请链接code加入项目
+     *
+     * @apiParam {String} code
+     */
+    public function invite__join()
+    {
+        $user = User::auth();
+        //
+        $code = Request::input('code');
+        //
+        $invite = Base::settingFind('system', 'project_invite');
+        if ($invite == 'close') {
+            return Base::retError('未开放此功能');
+        }
+        //
+        $projectInvite = ProjectInvite::with(['project'])->whereCode($code)->first();
+        if (empty($projectInvite)) {
+            return Base::retError('邀请code不存在');
+        }
+        if ($projectInvite->already) {
+            return Base::retSuccess('已加入', $projectInvite);
+        }
+        if (!$projectInvite->project?->joinProject($user->userid)) {
+            return Base::retError('加入失败，请稍后再试');
+        }
+        $projectInvite->num++;
+        $projectInvite->save();
+        //
+        $projectInvite->project->syncDialogUser();
+        $projectInvite->project->addLog("会员ID：" . $user->userid . " 通过邀请链接加入项目");
+        //
+        $data = $projectInvite->toArray();
+        $data['already'] = true;
+        return Base::retSuccess('加入成功', $data);
+    }
+
     /**
      * 移交项目（限：项目负责人）
      *
diff --git a/app/Http/Controllers/Api/SystemController.php b/app/Http/Controllers/Api/SystemController.php
index c1a31a3f..66e80f91 100755
--- a/app/Http/Controllers/Api/SystemController.php
+++ b/app/Http/Controllers/Api/SystemController.php
@@ -24,7 +24,8 @@ class SystemController extends AbstractController
      *
      * @apiParam {String} type
      * - get: 获取（默认）
-     * - save: 保存设置（参数：reg、login_code、password_policy、chat_nickname）
+     * - all: 获取所有（需要管理员权限）
+     * - save: 保存设置（参数：reg、reg_invite、login_code、password_policy、project_invite、chat_nickname）
 
      * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
      * @apiSuccess {String} msg     返回信息（错误描述）
@@ -40,7 +41,7 @@ class SystemController extends AbstractController
             User::auth('admin');
             $all = Request::input();
             foreach ($all AS $key => $value) {
-                if (!in_array($key, ['reg', 'login_code', 'password_policy', 'chat_nickname'])) {
+                if (!in_array($key, ['reg', 'reg_invite', 'login_code', 'password_policy', 'project_invite', 'chat_nickname'])) {
                     unset($all[$key]);
                 }
             }
@@ -49,9 +50,17 @@ class SystemController extends AbstractController
             $setting = Base::setting('system');
         }
         //
+        if ($type == 'all') {
+            User::auth('admin');
+            $setting['reg_invite'] = $setting['reg_invite'] ?: Base::generatePassword(8);
+        } else {
+            if (isset($setting['reg_invite'])) unset($setting['reg_invite']);
+        }
+        //
         $setting['reg'] = $setting['reg'] ?: 'open';
         $setting['login_code'] = $setting['login_code'] ?: 'auto';
         $setting['password_policy'] = $setting['password_policy'] ?: 'simple';
+        $setting['project_invite'] = $setting['project_invite'] ?: 'open';
         $setting['chat_nickname'] = $setting['chat_nickname'] ?: 'optional';
         //
         return Base::retSuccess('success', $setting ?: json_decode('{}'));
diff --git a/app/Models/ProjectInvite.php b/app/Models/ProjectInvite.php
new file mode 100644
index 00000000..5c685316
--- /dev/null
+++ b/app/Models/ProjectInvite.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Models;
+
+/**
+ * App\Models\ProjectInvite
+ *
+ * @property int $id
+ * @property int|null $project_id 项目ID
+ * @property int|null $num 累计邀请
+ * @property string|null $code 链接码
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property-read bool $already
+ * @property-read \App\Models\Project|null $project
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite query()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereCode($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereNum($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereProjectId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class ProjectInvite extends AbstractModel
+{
+    protected $appends = [
+        'already',
+    ];
+
+    /**
+     * 是否已加入
+     * @return bool
+     */
+    public function getAlreadyAttribute()
+    {
+        if (!isset($this->appendattrs['already'])) {
+            $this->appendattrs['already'] = false;
+            if (User::userid()) {
+                $this->appendattrs['already']  = (bool)$this->project?->projectUser?->where('userid', User::userid())->count();
+            }
+        }
+        return $this->appendattrs['already'];
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\HasOne
+     */
+    public function project(): \Illuminate\Database\Eloquent\Relations\HasOne
+    {
+        return $this->hasOne(Project::class, 'id', 'project_id');
+    }
+}
diff --git a/database/seeders/SettingsTableSeeder.php b/database/seeders/SettingsTableSeeder.php
index a6ff5322..6b9b4b68 100644
--- a/database/seeders/SettingsTableSeeder.php
+++ b/database/seeders/SettingsTableSeeder.php
@@ -26,7 +26,7 @@ class SettingsTableSeeder extends Seeder
                 'id' => 1,
                 'name' => 'system',
                 'desc' => '',
-                'setting' => '{"reg":"open","login_code":"auto"}',
+                'setting' => '{"reg":"open","project_invite":"open","login_code":"auto"}',
                 'created_at' => seeders_at('2021-07-01 11:05:06'),
                 'updated_at' => seeders_at('2021-07-01 12:27:12'),
             ),
diff --git a/resources/assets/js/pages/manage/components/ProjectList.vue b/resources/assets/js/pages/manage/components/ProjectList.vue
index a90c094f..bac384d4 100644
--- a/resources/assets/js/pages/manage/components/ProjectList.vue
+++ b/resources/assets/js/pages/manage/components/ProjectList.vue
@@ -34,7 +34,8 @@
                             <EDropdownMenu v-if="projectData.owner_userid === userId" slot="dropdown">
                                 <EDropdownItem command="setting">{{$L('项目设置')}}</EDropdownItem>
                                 <EDropdownItem command="user">{{$L('成员管理')}}</EDropdownItem>
-                                <EDropdownItem command="log">{{$L('项目动态')}}</EDropdownItem>
+                                <EDropdownItem command="invite">{{$L('邀请链接')}}</EDropdownItem>
+                                <EDropdownItem command="log" divided>{{$L('项目动态')}}</EDropdownItem>
                                 <EDropdownItem command="archived_task">{{$L('已归档任务')}}</EDropdownItem>
                                 <EDropdownItem command="transfer" divided>{{$L('移交项目')}}</EDropdownItem>
                                 <EDropdownItem command="archived">{{$L('归档项目')}}</EDropdownItem>
@@ -320,7 +321,7 @@
             v-model="settingShow"
             :title="$L('项目设置')"
             :mask-closable="false">
-            <Form ref="addProject" :model="settingData" label-width="auto" @submit.native.prevent>
+            <Form :model="settingData" label-width="auto" @submit.native.prevent>
                 <FormItem prop="name" :label="$L('项目名称')">
                     <Input ref="projectName" type="text" v-model="settingData.name" :maxlength="32" :placeholder="$L('必填')"></Input>
                 </FormItem>
@@ -339,7 +340,7 @@
             v-model="userShow"
             :title="$L('成员管理')"
             :mask-closable="false">
-            <Form ref="addProject" :model="userData" label-width="auto" @submit.native.prevent>
+            <Form :model="userData" label-width="auto" @submit.native.prevent>
                 <FormItem prop="userids" :label="$L('项目成员')">
                     <UserInput v-if="userShow" v-model="userData.userids" :uncancelable="userData.uncancelable" :multiple-max="100" :placeholder="$L('选择项目成员')"/>
                 </FormItem>
@@ -369,12 +370,39 @@
             </div>
         </Modal>
 
+        <!--邀请链接-->
+        <Modal
+            v-model="inviteShow"
+            :title="$L('邀请链接')"
+            :mask-closable="false">
+            <Form :model="inviteData" label-width="auto" @submit.native.prevent>
+                <FormItem :label="$L('链接地址')">
+                    <Input ref="inviteInput" v-model="inviteData.url" type="textarea" :rows="3" @on-focus="inviteFocus" readonly/>
+                    <div class="form-tip">{{$L('可通过此链接注册、加入项目。')}}</div>
+                </FormItem>
+            </Form>
+            <div slot="footer" class="adaption">
+                <Button type="default" @click="inviteShow=false">{{$L('取消')}}</Button>
+                <Poptip
+                    confirm
+                    placement="bottom"
+                    style="margin-left:8px"
+                    @on-ok="inviteGet(true)"
+                    transfer>
+                    <div slot="title">
+                        <p><strong>{{$L('注意：刷新将导致原来的邀请链接失效！')}}</strong></p>
+                    </div>
+                    <Button type="primary" :loading="inviteLoad > 0">{{$L('刷新')}}</Button>
+                </Poptip>
+            </div>
+        </Modal>
+
         <!--移交项目-->
         <Modal
             v-model="transferShow"
             :title="$L('移交项目')"
             :mask-closable="false">
-            <Form ref="addProject" :model="transferData" label-width="auto" @submit.native.prevent>
+            <Form :model="transferData" label-width="auto" @submit.native.prevent>
                 <FormItem prop="owner_userid" :label="$L('项目负责人')">
                     <UserInput v-if="transferShow" v-model="transferData.owner_userid" :multiple-max="1" :placeholder="$L('选择项目负责人')"/>
                 </FormItem>
@@ -404,6 +432,10 @@
 </template>
 
 <script>
+import Vue from 'vue'
+import VueClipboard from 'vue-clipboard2'
+Vue.use(VueClipboard)
+
 import Draggable from 'vuedraggable'
 import TaskPriority from "./TaskPriority";
 import TaskAdd from "./TaskAdd";
@@ -451,6 +483,10 @@ export default {
             userData: {},
             userLoad: 0,
 
+            inviteShow: false,
+            inviteData: {},
+            inviteLoad: 0,
+
             transferShow: false,
             transferData: {},
             transferLoad: 0,
@@ -1090,6 +1126,12 @@ export default {
                     this.userShow = true;
                     break;
 
+                case "invite":
+                    this.inviteData = {};
+                    this.inviteShow = true;
+                    this.inviteGet()
+                    break;
+
                 case "log":
                     this.logShow = true;
                     break;
@@ -1153,6 +1195,39 @@ export default {
             });
         },
 
+        inviteGet(refresh) {
+            this.inviteLoad++;
+            this.$store.dispatch("call", {
+                url: 'project/invite',
+                data: {
+                    project_id: this.projectId,
+                    refresh: refresh === true ? 'yes' : 'no'
+                },
+            }).then(({data}) => {
+                this.inviteLoad--;
+                this.inviteData = data;
+                this.inviteCopy();
+            }).catch(({msg}) => {
+                $A.modalError(msg);
+                this.inviteLoad--;
+            });
+        },
+
+        inviteCopy() {
+            if (!this.inviteData.url) {
+                return;
+            }
+            this.$copyText(this.inviteData.url).then(() => {
+                $A.messageSuccess(this.$L('复制成功！'));
+            }, () => {
+                $A.messageError(this.$L('复制失败！'));
+            });
+        },
+
+        inviteFocus() {
+            this.$refs.inviteInput.focus({cursor:'all'});
+        },
+
         toggleCompleted() {
             this.$store.dispatch('toggleTablePanel', 'completedTask');
             this.completeTask = [];
diff --git a/resources/assets/js/pages/manage/projectInvite.vue b/resources/assets/js/pages/manage/projectInvite.vue
new file mode 100644
index 00000000..0f60a382
--- /dev/null
+++ b/resources/assets/js/pages/manage/projectInvite.vue
@@ -0,0 +1,111 @@
+<template>
+    <div class="page-invite">
+        <PageTitle :title="$L('加入项目')"/>
+        <div v-if="loadIng > 0" class="invite-load">
+            <Loading/>
+        </div>
+        <div v-else class="invite-warp">
+            <Card v-if="project.id > 0">
+                <p slot="title">{{project.name}}</p>
+                <div v-if="project.desc" class="invite-desc">{{project.desc}}</div>
+                <div v-else>{{$L('暂无介绍')}}</div>
+                <div class="invite-footer">
+                    <Button v-if="already" type="success" icon="ios-checkmark-circle-outline" @click="goProject">{{$L('已加入')}}</Button>
+                    <Button v-else type="primary" :loading="joinLoad > 0" @click="joinProject">{{$L('加入项目')}}</Button>
+                </div>
+            </Card>
+            <Card v-else>
+                <p>{{$L('邀请地址不存在或已被删除！')}}</p>
+            </Card>
+        </div>
+    </div>
+</template>
+
+<style lang="scss" scoped>
+.page-invite {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    .invite-warp {
+        .invite-desc {
+            max-width: 460px;
+            max-height: 300px;
+            overflow: auto;
+        }
+        .invite-footer {
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            margin-top: 24px;
+            > button {
+                height: 36px;
+                min-width: 120px;
+            }
+        }
+    }
+}
+</style>
+<script>
+export default {
+    data() {
+        return {
+            loadIng: 0,
+            joinLoad: 0,
+
+            already: false,
+            project: {},
+        }
+    },
+    watch: {
+        '$route': {
+            handler(route) {
+                this.code = route.query ? route.query.code : '';
+                this.getData();
+            },
+            immediate: true
+        },
+    },
+    methods: {
+        getData() {
+            this.loadIng++;
+            this.$store.dispatch("call", {
+                url: 'project/invite/info',
+                data: {
+                    code: this.code,
+                },
+            }).then(({data}) => {
+                this.loadIng--;
+                this.already = data.already;
+                this.project = data.project;
+            }).catch(() => {
+                this.loadIng--;
+                this.project = {}
+            });
+        },
+
+        joinProject() {
+            this.joinLoad++;
+            this.$store.dispatch("call", {
+                url: 'project/invite/join',
+                data: {
+                    code: this.code,
+                },
+            }).then(({data}) => {
+                this.joinLoad--;
+                this.already = data.already;
+                this.project = data.project;
+                this.goProject();
+            }).catch(({msg}) => {
+                this.joinLoad--;
+                $A.modalError(msg);
+            });
+        },
+
+        goProject() {
+            this.$nextTick(() => {
+                this.goForward({path: '/manage/project/' + this.project.id});
+            })
+        }
+    }
+}
+</script>
diff --git a/resources/assets/js/pages/manage/setting/system.vue b/resources/assets/js/pages/manage/setting/system.vue
index 08691114..9db08a14 100644
--- a/resources/assets/js/pages/manage/setting/system.vue
+++ b/resources/assets/js/pages/manage/setting/system.vue
@@ -4,8 +4,16 @@
             <FormItem :label="$L('允许注册')" prop="reg">
                 <RadioGroup v-model="formDatum.reg">
                     <Radio label="open">{{$L('允许')}}</Radio>
+                    <Radio label="invite">{{$L('邀请码')}}</Radio>
                     <Radio label="close">{{$L('禁止')}}</Radio>
                 </RadioGroup>
+                <div v-if="formDatum.reg == 'open'" class="form-tip">{{$L('允许：开放注册功能。')}}</div>
+                <template v-else-if="formDatum.reg == 'invite'">
+                    <div class="form-tip">{{$L('邀请码：注册时需填写下方邀请码。')}}</div>
+                    <Input v-model="formDatum.reg_invite" style="width:200px;margin-top:6px">
+                        <span slot="prepend">{{$L('邀请码')}}</span>
+                    </Input>
+                </template>
             </FormItem>
             <FormItem :label="$L('登录验证码')" prop="loginCode">
                 <RadioGroup v-model="formDatum.login_code">
@@ -23,6 +31,13 @@
                 <div v-if="formDatum.password_policy == 'simple'" class="form-tip">{{$L('简单：大于或等于6个字符。')}}</div>
                 <div v-else-if="formDatum.password_policy == 'complex'" class="form-tip">{{$L('复杂：大于或等于6个字符，包含数字、字母大小写或者特殊字符。')}}</div>
             </FormItem>
+            <FormItem :label="$L('邀请项目')" prop="projectInvite">
+                <RadioGroup v-model="formDatum.project_invite">
+                    <Radio label="open">{{$L('开启')}}</Radio>
+                    <Radio label="close">{{$L('关闭')}}</Radio>
+                </RadioGroup>
+                <div v-if="formDatum.project_invite == 'open'" class="form-tip">{{$L('开启：项目管理员可生成链接邀请成员加入项目。')}}</div>
+            </FormItem>
             <FormItem :label="$L('聊天昵称')" prop="chatNickname">
                 <RadioGroup v-model="formDatum.chat_nickname">
                     <Radio label="optional">{{$L('可选')}}</Radio>
@@ -68,7 +83,7 @@ export default {
         systemSetting(save) {
             this.loadIng++;
             this.$store.dispatch("call", {
-                url: 'system/setting?type=' + (save ? 'save' : 'get'),
+                url: 'system/setting?type=' + (save ? 'save' : 'all'),
                 data: this.formDatum,
             }).then(({data}) => {
                 if (save) {
diff --git a/resources/assets/js/routes.js b/resources/assets/js/routes.js
index b13d845c..4fc06dea 100755
--- a/resources/assets/js/routes.js
+++ b/resources/assets/js/routes.js
@@ -58,6 +58,11 @@ export default [
                     },
                 ]
             },
+            {
+                name: 'manage-project-invite',
+                path: 'project/invite',
+                component: () => import('./pages/manage/projectInvite.vue'),
+            },
             {
                 name: 'manage-project',
                 path: 'project/:id',
diff --git a/resources/assets/sass/pages/common.scss b/resources/assets/sass/pages/common.scss
index 8b5ac5f8..2122a774 100755
--- a/resources/assets/sass/pages/common.scss
+++ b/resources/assets/sass/pages/common.scss
@@ -1,5 +1,8 @@
 body {
     overflow: hidden;
+    .form-tip {
+        color: #999999;
+    }
     .ivu-input,
     .ivu-select-selection {
         border-color: #e8e8e8;
diff --git a/resources/assets/sass/pages/page-setting.scss b/resources/assets/sass/pages/page-setting.scss
index 83d90b74..d9bb7685 100755
--- a/resources/assets/sass/pages/page-setting.scss
+++ b/resources/assets/sass/pages/page-setting.scss
@@ -106,9 +106,6 @@
         .ivu-form {
             overflow: auto;
         }
-        .form-tip {
-            color: #999999;
-        }
         .setting-color {
             min-width: 400px;
             max-width: 600px;