diff --git a/app/src/layout/dock/Files.ts b/app/src/layout/dock/Files.ts
index f6ae9cdfc..217738726 100644
--- a/app/src/layout/dock/Files.ts
+++ b/app/src/layout/dock/Files.ts
@@ -520,11 +520,10 @@ export class Files extends Model {
                 return;
             }
             const notebookSort = notebookElement.getAttribute("data-sortmode");
-            if ((
-                    notebookSort === "6" || (window.siyuan.config.fileTree.sort === 6 && notebookSort === "15")
-                ) &&
-                // 防止文档拖拽到笔记本外
-                !(!sourceOnlyRoot && targetType === "navigation-root")) {
+            if ((sourceOnlyRoot && targetType === "navigation-root" && window.siyuan.config.fileTree.sort === 6) ||
+                (!sourceOnlyRoot && targetType !== "navigation-root" &&
+                    (notebookSort === "6" || (window.siyuan.config.fileTree.sort === 6 && notebookSort === "15")))
+            ) {
                 const nodeRect = liElement.getBoundingClientRect();
                 const dragHeight = nodeRect.height * .2;
                 if (targetType === "navigation-root" && sourceOnlyRoot) {