diff --git a/README.md b/README.md
index 4351ab8..93526b7 100644
--- a/README.md
+++ b/README.md
@@ -429,6 +429,7 @@ export default ThemeTest;
 - 访问控制：用于权限管理
 - 微前端动态组件：支持动态加载和卸载组件
 - 网络请求：封装了 HttpClient，支持 GET、POST、PUT、DELETE 等请求方式
+- 主题控制：支持动态修改主题和字体大小
 
 ## 开发
 
diff --git a/package.json b/package.json
index 2263ade..1a902c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@codingapi/ui-framework",
-  "version": "0.0.37",
+  "version": "0.0.39",
   "description": "A UI Framework built with React and Typescript",
   "keywords": [
     "ui",
diff --git a/src/ThemeProvider/component.tsx b/src/ThemeProvider/component.tsx
index 85580f1..b74a754 100644
--- a/src/ThemeProvider/component.tsx
+++ b/src/ThemeProvider/component.tsx
@@ -4,7 +4,7 @@ import {ThemeConfig} from "./types";
 
 interface ThemeProviderProps {
     children: React.ReactNode;
-    theme: ThemeConfig
+    theme?: ThemeConfig
 }
 
 export const ThemeProviderContext = React.createContext<ThemeContext | null>(null);
@@ -13,9 +13,11 @@ export const ThemeProvider: React.FC<ThemeProviderProps> = (props) => {
 
     const currentTheme = React.useContext(ThemeProviderContext) || {};
 
+    const propsTheme = props.theme || {} as ThemeConfig;
+
     const [theme, dispatch] = React.useState<ThemeConfig>({
         ...currentTheme,
-        ...props.theme
+        ...propsTheme
     });
 
     const themeContextRef = React.useRef<ThemeContext | null>(null);