diff --git a/app/src/protyle/render/mathRender.ts b/app/src/protyle/render/mathRender.ts
index d8ccd3454..5b66b4277 100644
--- a/app/src/protyle/render/mathRender.ts
+++ b/app/src/protyle/render/mathRender.ts
@@ -47,7 +47,8 @@ export const mathRender = (element: Element, cdn = Constants.PROTYLE_CDN, maxWid
                     if (mathElement.tagName === "DIV") {
                         renderElement.firstElementChild.setAttribute("contenteditable", "false");
                         if (renderElement.childElementCount < 2) {
-                            renderElement.insertAdjacentHTML("beforeend", `<span contenteditable="false" style="position: absolute">${Constants.ZWSP}</span>`);
+                            // 不能使用 contenteditable="false"，否则光标无法移动到该块
+                            renderElement.insertAdjacentHTML("beforeend", `<span style="position: absolute;right: 0;top: 0;">${Constants.ZWSP}</span>`);
                         }
                         // https://github.com/siyuan-note/siyuan/issues/3541
                         const baseElements = renderElement.querySelectorAll(".base");
diff --git a/app/src/protyle/wysiwyg/index.ts b/app/src/protyle/wysiwyg/index.ts
index 32cfbca26..eda424ccb 100644
--- a/app/src/protyle/wysiwyg/index.ts
+++ b/app/src/protyle/wysiwyg/index.ts
@@ -1477,6 +1477,12 @@ export class WYSIWYG {
                 event.stopPropagation();
                 return;
             }
+            const blockElement = hasClosestBlock(event.target)
+            if (blockElement && !getContenteditableElement(blockElement)) {
+                event.stopPropagation();
+                event.preventDefault();
+                return;
+            }
             paste(protyle, event);
         });