diff --git a/app/Http/Controllers/Api/UsersController.php b/app/Http/Controllers/Api/UsersController.php
index 44e5e6891..b38e0f18c 100755
--- a/app/Http/Controllers/Api/UsersController.php
+++ b/app/Http/Controllers/Api/UsersController.php
@@ -350,6 +350,7 @@ class UsersController extends AbstractController
      * - keys.no_project_id                 不在指定项目ID
      * @apiParam {Object} sorts         排序方式
      * - sorts.az                           按字母：asc|desc
+     * @apiParam {Number} updated_time  在这个时间戳之后更新的
      *
      * @apiParam {Number} [take]        获取数量，10-100
      * @apiParam {Number} [page]        当前页，默认:1（赋值分页模式，take参数无效）
@@ -365,6 +366,7 @@ class UsersController extends AbstractController
         //
         $keys = Request::input('keys');
         $sorts = Request::input('sorts');
+        $updatedTime = intval(Request::input('updated_time'));
         $keys = is_array($keys) ? $keys : [];
         $sorts = is_array($sorts) ? $sorts : [];
         //
@@ -379,6 +381,9 @@ class UsersController extends AbstractController
         } elseif (intval($keys['disable']) == 2) {
             $builder->whereNotNull("disable_at");
         }
+        if ($updatedTime > 0) {
+            $builder->where("updated_at", ">=", Carbon::createFromTimestamp($updatedTime));
+        }
         if (intval($keys['project_id']) > 0) {
             $builder->whereIn('userid', function ($query) use ($keys) {
                 $query->select('userid')->from('project_users')->where('project_id', $keys['project_id']);
diff --git a/resources/assets/js/pages/manage/messenger.vue b/resources/assets/js/pages/manage/messenger.vue
index 07c48ad08..701d5feed 100644
--- a/resources/assets/js/pages/manage/messenger.vue
+++ b/resources/assets/js/pages/manage/messenger.vue
@@ -171,6 +171,7 @@ export default {
             contactsData: null,
             contactsCurrentPage: 1,
             contactsHasMorePages: false,
+            contactsLastTime: 0,
 
             operateItem: {},
             operateStyles: {},
@@ -346,7 +347,14 @@ export default {
         tabActive: {
             handler(val) {
                 if (val == 'contacts') {
-                    this.contactsData === null && this.getContactsList(1);
+                    if ($A.Time() - this.contactsLastTime > 24 * 3600) {
+                        this.contactsData = null;   // 24个小时重新加载列表
+                    }
+                    if (this.contactsData === null) {
+                        this.getContactsList(1);
+                    } else {
+                        this.updateContactsList(1000);
+                    }
                 } else {
                     this.updateDialogs(1000);
                 }
@@ -477,9 +485,38 @@ export default {
                 this.contactsHasMorePages = false;
             }).finally(_ => {
                 this.contactsLoad--;
+                this.contactsLastTime = $A.Time()
             });
         },
 
+        updateContactsList(timeout) {
+            this.__updateContactsList && clearTimeout(this.__updateContactsList)
+            if (timeout > -1) {
+                this.__updateContactsList = setTimeout(_ => {
+                    if (this.tabActive === 'contacts') {
+                        this.$store.dispatch("call", {
+                            url: 'users/search',
+                            data: {
+                                updated_time: this.contactsLastTime,
+                                take: 100
+                            },
+                        }).then(({data}) => {
+                            data.some((user) => {
+                                const index = this.contactsData.findIndex(item => item.userid == user.userid);
+                                if (index > -1) {
+                                    this.contactsData.splice(index, 1, user);
+                                } else {
+                                    this.contactsData.push(user);
+                                }
+                            });
+                        }).finally(_ => {
+                            this.contactsLastTime = $A.Time()
+                        });
+                    }
+                }, timeout)
+            }
+        },
+
         formatLastMsg(data) {
             if ($A.isJson(data)) {
                 switch (data.type) {