diff --git a/kernel/api/system.go b/kernel/api/system.go
index 67a8a6691..03adb8363 100644
--- a/kernel/api/system.go
+++ b/kernel/api/system.go
@@ -182,7 +182,6 @@ func exportLog(c *gin.Context) {
 	}
 }
 
-var start = true // 是否是启动
 func getConf(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
@@ -200,21 +199,21 @@ func getConf(c *gin.Context) {
 
 	ret.Data = map[string]interface{}{
 		"conf":  maskedConf,
-		"start": start,
+		"start": !util.IsUILoaded,
 	}
 
-	if start {
-		start = false
+	if !util.IsUILoaded {
+		go func() {
+			util.WaitForUILoaded()
 
-		if model.Conf.Editor.ReadOnly {
-			// 编辑器启用只读模式时启动后提示用户 https://github.com/siyuan-note/siyuan/issues/7700
-			go func() {
-				time.Sleep(time.Second * 7)
+			if model.Conf.Editor.ReadOnly {
+				// 编辑器启用只读模式时启动后提示用户 https://github.com/siyuan-note/siyuan/issues/7700
+				time.Sleep(time.Second * 3)
 				if model.Conf.Editor.ReadOnly {
 					util.PushMsg(model.Conf.Language(197), 7000)
 				}
-			}()
-		}
+			}
+		}()
 	}
 }
 
diff --git a/kernel/model/box.go b/kernel/model/box.go
index f8c3b0923..e2f79e131 100644
--- a/kernel/model/box.go
+++ b/kernel/model/box.go
@@ -478,10 +478,6 @@ func genTreeID(tree *parse.Tree) {
 	return
 }
 
-func ReloadUI() {
-	task.AppendTask(task.ReloadUI, util.ReloadUI)
-}
-
 func FullReindex() {
 	task.AppendTask(task.DatabaseIndexFull, fullReindex)
 	task.AppendTask(task.DatabaseIndexRef, IndexRefs)
diff --git a/kernel/model/repository.go b/kernel/model/repository.go
index 59db74a26..e169976db 100644
--- a/kernel/model/repository.go
+++ b/kernel/model/repository.go
@@ -1053,7 +1053,6 @@ func bootSyncRepo() (err error) {
 
 	if 0 < len(fetchedFiles) {
 		go func() {
-			time.Sleep(7 * time.Second) // 等待一段时间后前端完成界面初始化后再同步
 			syncErr := syncRepo(false, false)
 			if nil != err {
 				logging.LogErrorf("boot background sync repo failed: %s", syncErr)
@@ -1238,33 +1237,42 @@ func processSyncMergeResult(exit, byHand bool, start time.Time, mergeResult *dej
 		return
 	}
 
-	incReindex(upserts, removes)
-	if !exit {
-		ReloadUI()
+	if exit { // 退出时同步不用推送事件
+		return
 	}
 
+	upsertRootIDs, removeRootIDs := incReindex(upserts, removes)
 	elapsed := time.Since(start)
-	if !exit {
-		go func() {
-			time.Sleep(2 * time.Second)
-			util.PushStatusBar(fmt.Sprintf(Conf.Language(149), elapsed.Seconds()))
+	go func() {
+		util.WaitForUILoaded()
 
-			if 0 < len(mergeResult.Conflicts) {
-				syConflict := false
-				for _, file := range mergeResult.Conflicts {
-					if strings.HasSuffix(file.Path, ".sy") {
-						syConflict = true
-						break
-					}
-				}
+		if util.ContainerAndroid == util.Container || util.ContainerIOS == util.Container {
+			// 移动端不推送差异详情
+			upsertRootIDs = []string{}
+			removeRootIDs = []string{}
+		}
 
-				if syConflict {
-					// 数据同步发生冲突时在界面上进行提醒 https://github.com/siyuan-note/siyuan/issues/7332
-					util.PushMsg(Conf.Language(108), 7000)
+		util.BroadcastByType("main", "syncMergeResult", 0, "",
+			map[string]interface{}{"upsertRootIDs": upsertRootIDs, "removeRootIDs": removeRootIDs})
+
+		time.Sleep(2 * time.Second)
+		util.PushStatusBar(fmt.Sprintf(Conf.Language(149), elapsed.Seconds()))
+
+		if 0 < len(mergeResult.Conflicts) {
+			syConflict := false
+			for _, file := range mergeResult.Conflicts {
+				if strings.HasSuffix(file.Path, ".sy") {
+					syConflict = true
+					break
 				}
 			}
-		}()
-	}
+
+			if syConflict {
+				// 数据同步发生冲突时在界面上进行提醒 https://github.com/siyuan-note/siyuan/issues/7332
+				util.PushMsg(Conf.Language(108), 7000)
+			}
+		}
+	}()
 }
 
 func logSyncMergeResult(mergeResult *dejavu.MergeResult) {
diff --git a/kernel/model/sync.go b/kernel/model/sync.go
index 97cb315cf..3719c372a 100644
--- a/kernel/model/sync.go
+++ b/kernel/model/sync.go
@@ -260,7 +260,7 @@ func checkSync(boot, exit, byHand bool) bool {
 }
 
 // incReindex 增量重建索引。
-func incReindex(upserts, removes []string) {
+func incReindex(upserts, removes []string) (upsertRootIDs, removeRootIDs []string) {
 	util.IncBootProgress(3, "Sync reindexing...")
 	msg := fmt.Sprintf(Conf.Language(35))
 	util.PushStatusBar(msg)
@@ -274,6 +274,7 @@ func incReindex(upserts, removes []string) {
 		}
 
 		id := strings.TrimSuffix(filepath.Base(removeFile), ".sy")
+		removeRootIDs = append(removeRootIDs, id)
 		block := treenode.GetBlockTree(id)
 		if nil != block {
 			msg = fmt.Sprintf(Conf.Language(39), block.RootID)
@@ -316,7 +317,9 @@ func incReindex(upserts, removes []string) {
 		}
 		treenode.IndexBlockTree(tree)
 		sql.UpsertTreeQueue(tree)
+		upsertRootIDs = append(upsertRootIDs, tree.Root.ID)
 	}
+	return
 }
 
 func SetCloudSyncDir(name string) {
diff --git a/kernel/server/serve.go b/kernel/server/serve.go
index d27b596e6..69ce7833a 100644
--- a/kernel/server/serve.go
+++ b/kernel/server/serve.go
@@ -129,6 +129,8 @@ func Serve(fastMode bool) {
 		}
 	}()
 
+	go util.HookUILoaded()
+
 	if err = http.Serve(ln, ginServer); nil != err {
 		if !fastMode {
 			logging.LogErrorf("boot kernel failed: %s", err)
diff --git a/kernel/util/runtime.go b/kernel/util/runtime.go
index d6272adfd..a4c393b27 100644
--- a/kernel/util/runtime.go
+++ b/kernel/util/runtime.go
@@ -40,6 +40,25 @@ import (
 
 const DatabaseVer = "20220501" // 修改表结构的话需要修改这里
 
+// IsUILoaded 是否已经加载了 UI。
+var IsUILoaded = false
+
+func WaitForUILoaded() {
+	for !IsUILoaded {
+		time.Sleep(200 * time.Millisecond)
+	}
+}
+
+func HookUILoaded() {
+	for !IsUILoaded {
+		if 0 < len(SessionsByType("main")) {
+			IsUILoaded = true
+			return
+		}
+		time.Sleep(200 * time.Millisecond)
+	}
+}
+
 // IsExiting 是否正在退出程序。
 var IsExiting = false