diff --git a/app/src/menus/protyle.ts b/app/src/menus/protyle.ts
index 9b413e19f..e5743b9e5 100644
--- a/app/src/menus/protyle.ts
+++ b/app/src/menus/protyle.ts
@@ -1835,7 +1835,7 @@ const genImageHeightMenu = (label: string, imgElement: HTMLElement, protyle: IPr
         click() {
             nodeElement.setAttribute("updated", dayjs().format("YYYYMMDDHHmmss"));
             imgElement.style.height = label === window.siyuan.languages.default ? "" : parseInt(label) + "vh";
-            imgElement.style.width = "";
+            imgElement.parentElement.style.width = "";
             updateTransaction(protyle, id, nodeElement.outerHTML, html);
             focusBlock(nodeElement);
         }
diff --git a/app/src/protyle/header/Background.ts b/app/src/protyle/header/Background.ts
index 74ebc7c9a..acb68d51f 100644
--- a/app/src/protyle/header/Background.ts
+++ b/app/src/protyle/header/Background.ts
@@ -444,6 +444,9 @@ export class Background {
             let html = "";
             const colors = ["secondary", "primary", "info", "success", "warning", "error", "pink"];
             tags.split(",").forEach((item, index) => {
+                if (!item) {
+                    return;
+                }
                 html += `<div class="b3-chip b3-chip--middle b3-chip--pointer b3-chip--${colors[index % 7]}" data-type="open-search">${escapeHtml(item)}<svg class="b3-chip__close" data-type="remove-tag"><use xlink:href="#iconCloseRound"></use></svg></div>`;
             });
             this.tagsElement.innerHTML = `${html}