diff --git a/src/main/java/org/hlrj/duobao_demo/tool/CorsConfig.java b/src/main/java/org/hlrj/duobao_demo/tool/CorsConfig.java
new file mode 100644
index 0000000..0dd5ccf
--- /dev/null
+++ b/src/main/java/org/hlrj/duobao_demo/tool/CorsConfig.java
@@ -0,0 +1,35 @@
+package org.hlrj.duobao_demo.tool;
+
+/**
+ * @program: duobao_demo
+ * @ClassName CorsConfig
+ * @description: 跨域所用到的跨域类
+ * @author:liuyusong
+ * @create: 2025−04-14 19:02
+ * @Version 1.0
+ **/
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+@Configuration
+public class CorsConfig {
+
+    // 当前跨域请求最大有效时长。这里默认1天
+    private static final long MAX_AGE = 24 * 60 * 60;
+
+    @Bean
+    public CorsFilter corsFilter() {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration corsConfiguration = new CorsConfiguration();
+        corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源地址
+        corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头
+        corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法
+        corsConfiguration.setMaxAge(MAX_AGE);
+        source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置
+        return new CorsFilter(source);
+    }
+}