diff --git a/app/src/protyle/ui/initUI.ts b/app/src/protyle/ui/initUI.ts
index 85fd82964..c08f277e4 100644
--- a/app/src/protyle/ui/initUI.ts
+++ b/app/src/protyle/ui/initUI.ts
@@ -115,7 +115,8 @@ export const initUI = (protyle: IProtyle) => {
     }, {passive: true});
     protyle.contentElement.addEventListener("click", (event: MouseEvent & { target: HTMLElement }) => {
         // wysiwyg 元素下方点击无效果 https://github.com/siyuan-note/siyuan/issues/12009
-        if (protyle.disabled ||
+        // 选中文本或块时，禁止添加空块 https://github.com/siyuan-note/siyuan/issues/13905
+        if (protyle.disabled || window.getSelection().toString().length > 0 || event.target.querySelector(".protyle-wysiwyg--select") ||
             (!event.target.classList.contains("protyle-content") && !event.target.classList.contains("protyle-wysiwyg"))) {
             return;
         }