diff --git a/kernel/api/block_op.go b/kernel/api/block_op.go
index f5df3a91d..3e70a740e 100644
--- a/kernel/api/block_op.go
+++ b/kernel/api/block_op.go
@@ -55,6 +55,13 @@ func moveBlock(c *gin.Context) {
 		if util.InvalidIDPattern(previousID, ret) {
 			return
 		}
+
+		// Check the validity of the API `moveBlock` parameter `previousID` https://github.com/siyuan-note/siyuan/issues/8007
+		if bt := treenode.GetBlockTree(previousID); nil == bt || "d" == bt.Type {
+			ret.Code = -1
+			ret.Msg = "`previousID` can not be the ID of a document"
+			return
+		}
 	}
 
 	transactions := []*model.Transaction{
diff --git a/kernel/api/notebook.go b/kernel/api/notebook.go
index 9e51b021a..80196235b 100644
--- a/kernel/api/notebook.go
+++ b/kernel/api/notebook.go
@@ -308,14 +308,14 @@ func lsNotebooks(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
 
-	arg, ok := util.JsonArg(c, ret)
-	if !ok {
-		return
-	}
-
 	flashcard := false
-	if arg["flashcard"] != nil {
-		flashcard = arg["flashcard"].(bool)
+
+	// 兼容旧版接口，不能直接使用 util.JsonArg()
+	arg := map[string]interface{}{}
+	if err := c.ShouldBindJSON(&arg); nil == err {
+		if arg["flashcard"] != nil {
+			flashcard = arg["flashcard"].(bool)
+		}
 	}
 
 	var notebooks []*model.Box