diff --git a/kernel/api/router.go b/kernel/api/router.go
index cd50cbc19..fa69ad0a9 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -47,6 +47,7 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/system/setWorkspaceDir", model.CheckAuth, model.CheckReadonly, setWorkspaceDir)
 	ginServer.Handle("POST", "/api/system/getWorkspaces", model.CheckAuth, getWorkspaces)
 	ginServer.Handle("POST", "/api/system/getMobileWorkspaces", model.CheckAuth, getMobileWorkspaces)
+	ginServer.Handle("POST", "/api/system/checkWorkspaceDir", model.CheckAuth, model.CheckReadonly, checkWorkspaceDir)
 	ginServer.Handle("POST", "/api/system/createWorkspaceDir", model.CheckAuth, model.CheckReadonly, createWorkspaceDir)
 	ginServer.Handle("POST", "/api/system/removeWorkspaceDir", model.CheckAuth, model.CheckReadonly, removeWorkspaceDir)
 	ginServer.Handle("POST", "/api/system/setAppearanceMode", model.CheckAuth, setAppearanceMode)
diff --git a/kernel/api/workspace.go b/kernel/api/workspace.go
index c898981e7..09a4dfaa6 100644
--- a/kernel/api/workspace.go
+++ b/kernel/api/workspace.go
@@ -34,6 +34,49 @@ import (
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
+func checkWorkspaceDir(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	path := arg["path"].(string)
+	if isInvalidWorkspacePath(path) {
+		ret.Code = -1
+		ret.Msg = "This workspace name is not allowed, please use another name"
+		return
+	}
+
+	if !gulu.File.IsExist(path) {
+		ret.Code = -1
+		ret.Msg = "This workspace does not exist"
+		return
+	}
+
+	entries, err := os.ReadDir(path)
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = fmt.Sprintf("read workspace dir [%s] failed: %s", path, err)
+	}
+
+	var existsConf, existsData bool
+	for _, entry := range entries {
+		existsConf = "conf" == entry.Name() && entry.IsDir()
+		existsData = "data" == entry.Name() && entry.IsDir()
+	}
+
+	if existsConf {
+		existsConf = gulu.File.IsExist(filepath.Join(path, "conf", "conf.json"))
+	}
+
+	ret.Data = map[string]interface{}{
+		"isWorkspace": existsConf && existsData,
+	}
+}
+
 func createWorkspaceDir(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)