diff --git a/packages/client/src/helpers/color.tsx b/packages/client/src/helpers/color.tsx
index 8bc0f5b..0f18283 100644
--- a/packages/client/src/helpers/color.tsx
+++ b/packages/client/src/helpers/color.tsx
@@ -23,3 +23,44 @@ const colors = [
 
 const total = colors.length;
 export const getRandomColor = () => colors[~~(Math.random() * total)];
+
+/**
+ * 将颜色转换为带 alpha 通道的 rgba 值
+ * @param hexCode
+ * @param opacity
+ * @returns
+ */
+export const convertColorToRGBA = (hexCode: string, opacity = 1) => {
+  let r = 0;
+  let g = 0;
+  let b = 0;
+
+  if (hexCode.startsWith('rgb')) {
+    const rgb = hexCode
+      .replace(/\s/g, '')
+      .match(/rgb\((.*)\)$/)[1]
+      .split(',');
+
+    r = +rgb[0];
+    g = +rgb[1];
+    b = +rgb[2];
+  } else if (hexCode.startsWith('#')) {
+    let hex = hexCode.replace('#', '');
+
+    if (hex.length === 3) {
+      hex = `${hex[0]}${hex[0]}${hex[1]}${hex[1]}${hex[2]}${hex[2]}`;
+    }
+
+    r = parseInt(hex.substring(0, 2), 16);
+    g = parseInt(hex.substring(2, 4), 16);
+    b = parseInt(hex.substring(4, 6), 16);
+  } else {
+    return hexCode;
+  }
+
+  if (opacity > 1 && opacity <= 100) {
+    opacity = opacity / 100;
+  }
+
+  return `rgba(${r},${g},${b},${opacity})`;
+};
diff --git a/packages/client/src/hooks/use-theme.tsx b/packages/client/src/hooks/use-theme.tsx
index 278eb04..de61894 100644
--- a/packages/client/src/hooks/use-theme.tsx
+++ b/packages/client/src/hooks/use-theme.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react';
+import { useCallback, useEffect, useState } from 'react';
 
 export enum Theme {
   'dark' = 'dark',
@@ -8,10 +8,10 @@ export enum Theme {
 export const useTheme = () => {
   const [theme, setTheme] = useState(Theme.light);
 
-  const toggle = () => {
+  const toggle = useCallback(() => {
     const nextTheme = theme === 'dark' ? Theme.light : Theme.dark;
     setTheme(nextTheme);
-  };
+  }, [theme]);
 
   useEffect(() => {
     const body = document.body;
@@ -40,6 +40,19 @@ export const useTheme = () => {
     mql.addEventListener('change', matchMode);
   }, []);
 
+  useEffect(() => {
+    const config = { attributes: true };
+    const callback = function () {
+      setTheme(document.body.getAttribute('theme-mode') as Theme);
+    };
+    const observer = new MutationObserver(callback);
+    observer.observe(document.body, config);
+
+    return () => {
+      observer.disconnect();
+    };
+  }, []);
+
   return {
     theme,
     toggle,
diff --git a/packages/client/src/tiptap/core/wrappers/callout/index.tsx b/packages/client/src/tiptap/core/wrappers/callout/index.tsx
index 19be6bb..4de2200 100644
--- a/packages/client/src/tiptap/core/wrappers/callout/index.tsx
+++ b/packages/client/src/tiptap/core/wrappers/callout/index.tsx
@@ -1,12 +1,20 @@
-import { useCallback } from 'react';
+import { useCallback, useMemo } from 'react';
 import { NodeViewWrapper, NodeViewContent } from '@tiptap/react';
 import cls from 'classnames';
 import { EmojiPicker } from 'components/emoji-picker';
+import { convertColorToRGBA } from 'helpers/color';
+import { Theme, useTheme } from 'hooks/use-theme';
 import styles from './index.module.scss';
 
 export const CalloutWrapper = ({ editor, node, updateAttributes }) => {
   const { isEditable } = editor;
   const { emoji, textColor, borderColor, backgroundColor } = node.attrs;
+  const { theme } = useTheme();
+  const backgroundColorOpacity = useMemo(() => {
+    if (!backgroundColor) return backgroundColor;
+    if (theme === Theme.dark) return convertColorToRGBA(backgroundColor, 0.85);
+    return backgroundColor;
+  }, [backgroundColor, theme]);
 
   const onSelectEmoji = useCallback(
     (emoji) => {
@@ -21,7 +29,7 @@ export const CalloutWrapper = ({ editor, node, updateAttributes }) => {
         className={cls(styles.innerWrap, 'render-wrapper')}
         style={{
           borderColor,
-          backgroundColor,
+          backgroundColor: backgroundColorOpacity,
         }}
       >
         {isEditable ? (
diff --git a/packages/client/src/tiptap/core/wrappers/flow/index.module.scss b/packages/client/src/tiptap/core/wrappers/flow/index.module.scss
index fd004ac..90dae64 100644
--- a/packages/client/src/tiptap/core/wrappers/flow/index.module.scss
+++ b/packages/client/src/tiptap/core/wrappers/flow/index.module.scss
@@ -6,7 +6,6 @@
 
   .renderWrap {
     display: flex;
-    background-color: var(--semi-color-bg-1);
     border: 1px solid var(--node-border-color);
     border-radius: var(--border-radius);
     align-items: center;
@@ -15,13 +14,17 @@
     &::after {
       background-color: transparent !important;
     }
+
+    svg {
+      background-color: transparent !important;
+    }
   }
 
   .toolbarWrap {
     position: absolute;
     right: 20px;
     bottom: 20px;
-    z-index: 1000;
+    z-index: 10;
     display: flex;
     padding: 2px 4px;
     overflow-x: auto;
diff --git a/packages/client/src/tiptap/core/wrappers/flow/index.tsx b/packages/client/src/tiptap/core/wrappers/flow/index.tsx
index 15e1c95..98f32d3 100644
--- a/packages/client/src/tiptap/core/wrappers/flow/index.tsx
+++ b/packages/client/src/tiptap/core/wrappers/flow/index.tsx
@@ -2,8 +2,10 @@ import { NodeViewWrapper } from '@tiptap/react';
 import cls from 'classnames';
 import { Button, Space } from '@douyinfe/semi-ui';
 import { IconMindCenter, IconZoomOut, IconZoomIn } from 'components/icons';
-import { useCallback, useEffect, useMemo, useRef } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { Resizeable } from 'components/resizeable';
+import { convertColorToRGBA } from 'helpers/color';
+import { Theme, useTheme } from 'hooks/use-theme';
 import { getEditorContainerDOMSize } from 'tiptap/prose-utils';
 import { Flow } from 'tiptap/core/extensions/flow';
 import styles from './index.module.scss';
@@ -16,8 +18,15 @@ export const FlowWrapper = ({ editor, node, updateAttributes }) => {
   const isActive = editor.isActive(Flow.name);
   const { width: maxWidth } = getEditorContainerDOMSize(editor);
   const { data, width, height } = node.attrs;
+  const { theme } = useTheme();
   const $viewer = useRef(null);
   const $container = useRef<HTMLElement>();
+  const [bgColor, setBgColor] = useState('var(--semi-color-fill-0)');
+  const bgColorOpacity = useMemo(() => {
+    if (!bgColor) return bgColor;
+    if (theme === Theme.dark) return convertColorToRGBA(bgColor, 0.85);
+    return bgColor;
+  }, [bgColor, theme]);
 
   const graphData = useMemo(() => {
     if (!data) return null;
@@ -71,6 +80,8 @@ export const FlowWrapper = ({ editor, node, updateAttributes }) => {
       div.innerHTML = '';
       DrawioViewer.createViewerForElement(div, (viewer) => {
         $viewer.current = viewer;
+        const background = viewer?.graph?.background;
+        background && setBgColor(background);
       });
     }
   }, []);
@@ -90,9 +101,17 @@ export const FlowWrapper = ({ editor, node, updateAttributes }) => {
   return (
     <NodeViewWrapper className={cls(styles.wrap, isActive && styles.isActive)}>
       <Resizeable isEditable={isEditable} width={width} height={height} maxWidth={maxWidth} onChangeEnd={onResize}>
-        <div className={cls(styles.renderWrap, 'render-wrapper')} style={INHERIT_SIZE_STYLE}>
+        <div
+          className={cls(styles.renderWrap, 'render-wrapper')}
+          style={{ ...INHERIT_SIZE_STYLE, backgroundColor: bgColorOpacity }}
+        >
           {graphData && (
-            <div className="mxgraph" style={{ width, height }} ref={setMxgraph} data-mxgraph={graphData}></div>
+            <div
+              className="mxgraph"
+              style={{ width: maxWidth, height }}
+              ref={setMxgraph}
+              data-mxgraph={graphData}
+            ></div>
           )}
         </div>