diff --git a/packages/client/src/components/document/reader/author.tsx b/packages/client/src/components/document/reader/author.tsx
index b16e872..405e52c 100644
--- a/packages/client/src/components/document/reader/author.tsx
+++ b/packages/client/src/components/document/reader/author.tsx
@@ -13,7 +13,7 @@ export const Author: React.FC<IProps> = ({ document }) => {
     <div
       style={{
         borderTop: '1px solid var(--semi-color-border)',
-        marginTop: 24,
+        marginTop: '0.75em',
         padding: '16px 0',
         fontSize: 13,
         fontWeight: 'normal',
diff --git a/packages/client/src/tiptap/core/wrappers/katex/index.module.scss b/packages/client/src/tiptap/core/wrappers/katex/index.module.scss
index 3987b54..2519453 100644
--- a/packages/client/src/tiptap/core/wrappers/katex/index.module.scss
+++ b/packages/client/src/tiptap/core/wrappers/katex/index.module.scss
@@ -2,6 +2,7 @@
   display: flex;
   padding: 1rem 4px;
   font-size: 1em;
+  color: #000;
   cursor: pointer;
   justify-content: center;
 }
diff --git a/packages/client/src/tiptap/editor/collaboration/collaboration/editor.tsx b/packages/client/src/tiptap/editor/collaboration/collaboration/editor.tsx
index 14c0401..4202311 100644
--- a/packages/client/src/tiptap/editor/collaboration/collaboration/editor.tsx
+++ b/packages/client/src/tiptap/editor/collaboration/collaboration/editor.tsx
@@ -196,7 +196,7 @@ export const EditorInstance = forwardRef((props: IProps, ref) => {
         ref={$mainContainer}
         id={'js-tocs-container'}
         style={{
-          padding: isMobile ? `0 24px ${editable ? '42px' : 0}` : `0 6rem ${editable ? '42px' : 0}`,
+          padding: isMobile ? `0 24px 50px` : `0 6rem 50px`,
         }}
       >
         <div className={cls(styles.contentWrap, editorWrapClassNames)}>
diff --git a/packages/client/src/tiptap/editor/collaboration/collaboration/index.module.scss b/packages/client/src/tiptap/editor/collaboration/collaboration/index.module.scss
index 3eceee6..df99311 100644
--- a/packages/client/src/tiptap/editor/collaboration/collaboration/index.module.scss
+++ b/packages/client/src/tiptap/editor/collaboration/collaboration/index.module.scss
@@ -61,7 +61,7 @@
       }
 
       .commentWrap {
-        padding: 16px 0 32px;
+        padding: 16px 0 64px;
         border-top: 1px solid var(--semi-color-border);
       }
     }