diff --git a/src/main/java/com/huangge1199/picture/common/R.java b/src/main/java/com/huangge1199/picture/common/R.java
index 471fea3..8dfb9db 100644
--- a/src/main/java/com/huangge1199/picture/common/R.java
+++ b/src/main/java/com/huangge1199/picture/common/R.java
@@ -6,6 +6,7 @@ import java.io.Serializable;
 
 /**
  * R
+ * 返回响应
  *
  * @author huangge1199
  * @since 2025/6/27 16:24:58
diff --git a/src/main/java/com/huangge1199/picture/config/CorsConfig.java b/src/main/java/com/huangge1199/picture/config/CorsConfig.java
new file mode 100644
index 0000000..fc306fa
--- /dev/null
+++ b/src/main/java/com/huangge1199/picture/config/CorsConfig.java
@@ -0,0 +1,29 @@
+package com.huangge1199.picture.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * CorsConfig
+ * 全局跨域配置
+ *
+ * @author huangge1199
+ * @since 2025/6/27 16:37:44
+ */
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        // 覆盖所有请求
+        registry.addMapping("/**")
+                // 允许发送 Cookie
+                .allowCredentials(true)
+                // 放行哪些域名（必须用 patterns，否则 * 会和 allowCredentials 冲突）
+                .allowedOriginPatterns("*")
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
+                .allowedHeaders("*")
+                .exposedHeaders("*");
+    }
+}
diff --git a/src/main/java/com/huangge1199/picture/exception/ErrorCode.java b/src/main/java/com/huangge1199/picture/exception/ErrorCode.java
index 618c6ec..068701d 100644
--- a/src/main/java/com/huangge1199/picture/exception/ErrorCode.java
+++ b/src/main/java/com/huangge1199/picture/exception/ErrorCode.java
@@ -4,6 +4,7 @@ import lombok.Getter;
 
 /**
  * ErrorCode
+ * 异常信息
  *
  * @author huangge1199
  * @since 2025/6/27 16:26:54