diff --git a/kernel/conf/filetree.go b/kernel/conf/filetree.go
index 3c67832bd..9cfc03dac 100644
--- a/kernel/conf/filetree.go
+++ b/kernel/conf/filetree.go
@@ -26,6 +26,7 @@ type FileTree struct {
 	RefCreateSavePath       string `json:"refCreateSavePath"`       // 块引时新建文档存储文件夹路径
 	CreateDocNameTemplate   string `json:"createDocNameTemplate"`   // 新建文档名模板
 	MaxListCount            int    `json:"maxListCount"`            // 最大列出数量
+	MaxOpenTabCount         int    `json:"maxOpenTabCount"`         // 最大打开页签数量
 	AllowCreateDeeper       bool   `json:"allowCreateDeeper"`       // 允许创建超过 7 层深度的子文档
 	RemoveDocWithoutConfirm bool   `json:"removeDocWithoutConfirm"` // 删除文档时是否不需要确认
 
@@ -39,6 +40,7 @@ func NewFileTree() *FileTree {
 		Sort:                   util.SortModeCustom,
 		CreateDocNameTemplate:  "",
 		MaxListCount:           512,
+		MaxOpenTabCount:        12,
 		AllowCreateDeeper:      false,
 	}
 }
diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index c2cf8352f..ce6a1f882 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -130,6 +130,9 @@ func InitConf() {
 	if 1 > Conf.FileTree.MaxListCount {
 		Conf.FileTree.MaxListCount = 512
 	}
+	if 1 > Conf.FileTree.MaxOpenTabCount {
+		Conf.FileTree.MaxOpenTabCount = 12
+	}
 	if nil == Conf.Tag {
 		Conf.Tag = conf.NewTag()
 	}