diff --git a/app/src/assets/scss/component/_typography.scss b/app/src/assets/scss/component/_typography.scss
index 34610f2d4..3e2676120 100644
--- a/app/src/assets/scss/component/_typography.scss
+++ b/app/src/assets/scss/component/_typography.scss
@@ -170,6 +170,10 @@
   h6 {
     font-weight: 600;
     line-height: 1.25;
+
+    & > [spellcheck] {
+      min-height: 1.25em;
+    }
   }
 
   h1,
diff --git a/app/src/util/assets.ts b/app/src/util/assets.ts
index 68cceb221..195804eea 100644
--- a/app/src/util/assets.ts
+++ b/app/src/util/assets.ts
@@ -291,11 +291,12 @@ export const setInlineStyle = async (set = true) => {
     style += `.b3-typography, .protyle-wysiwyg, .protyle-title {font-size:${window.siyuan.config.editor.fontSize}px !important}
 .b3-typography code:not(.hljs), .protyle-wysiwyg span[data-type~=code] { font-variant-ligatures: ${window.siyuan.config.editor.codeLigatures ? "normal" : "none"} }
 .li > .protyle-action {height:${height + 8}px;line-height: ${height + 8}px}
-.protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h1, .protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h2, .protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h3, .protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h4, .protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h5, .protyle-wysiwyg [data-node-id].li > .protyle-action ~ .h6 {line-height:${height + 8}px;}
+.protyle-wysiwyg [data-node-id].li > .protyle-action ~ [data-type="NodeHeading"] {line-height:${height + 8}px}
+.protyle-wysiwyg [data-node-id].li > .protyle-action ~ [data-type="NodeHeading"] > [spellcheck] {min-height:${height + 8}px}
 .protyle-wysiwyg [data-node-id].li > .protyle-action::after {height: ${window.siyuan.config.editor.fontSize}px;width: ${window.siyuan.config.editor.fontSize}px;margin:-${window.siyuan.config.editor.fontSize / 2}px 0 0 -${window.siyuan.config.editor.fontSize / 2}px}
 .protyle-wysiwyg [data-node-id].li > .protyle-action svg {height: ${Math.max(14, window.siyuan.config.editor.fontSize - 8)}px}
 .protyle-wysiwyg [data-node-id].li::before {height: calc(100% - ${height + 12}px);top:${(height + 12)}px}
-.protyle-wysiwyg [data-node-id] [spellcheck] {min-height:${height}px;}
+.protyle-wysiwyg [data-node-id]:not(data-type="NodeHeading") [spellcheck] {min-height:${height}px;}
 .protyle-wysiwyg .p,
 .protyle-wysiwyg .code-block .hljs,
 .protyle-wysiwyg .table,