diff --git a/pom.xml b/pom.xml
index eda9bcc..348d82c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,6 +46,12 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-aop</artifactId>
         </dependency>
+        <!-- 接口文档：https://doc.xiaominfo.com/docs/quick-start#spring-boot-2-->
+        <dependency>
+            <groupId>com.github.xiaoymin</groupId>
+            <artifactId>knife4j-openapi2-spring-boot-starter</artifactId>
+            <version>4.4.0</version>
+        </dependency>
 
     </dependencies>
     <dependencyManagement>
diff --git a/src/main/java/com/huangge1199/picture/common/HttpStatus.java b/src/main/java/com/huangge1199/picture/common/HttpStatus.java
new file mode 100644
index 0000000..ae5beaa
--- /dev/null
+++ b/src/main/java/com/huangge1199/picture/common/HttpStatus.java
@@ -0,0 +1,94 @@
+package com.huangge1199.picture.common;
+
+/**
+ * 返回状态码
+ * 
+ * @author ruoyi
+ */
+public class HttpStatus
+{
+    /**
+     * 操作成功
+     */
+    public static final int SUCCESS = 200;
+
+    /**
+     * 对象创建成功
+     */
+    public static final int CREATED = 201;
+
+    /**
+     * 请求已经被接受
+     */
+    public static final int ACCEPTED = 202;
+
+    /**
+     * 操作已经执行成功，但是没有返回数据
+     */
+    public static final int NO_CONTENT = 204;
+
+    /**
+     * 资源已被移除
+     */
+    public static final int MOVED_PERM = 301;
+
+    /**
+     * 重定向
+     */
+    public static final int SEE_OTHER = 303;
+
+    /**
+     * 资源没有被修改
+     */
+    public static final int NOT_MODIFIED = 304;
+
+    /**
+     * 参数列表错误（缺少，格式不匹配）
+     */
+    public static final int BAD_REQUEST = 400;
+
+    /**
+     * 未授权
+     */
+    public static final int UNAUTHORIZED = 401;
+
+    /**
+     * 访问受限，授权过期
+     */
+    public static final int FORBIDDEN = 403;
+
+    /**
+     * 资源，服务未找到
+     */
+    public static final int NOT_FOUND = 404;
+
+    /**
+     * 不允许的http方法
+     */
+    public static final int BAD_METHOD = 405;
+
+    /**
+     * 资源冲突，或者资源被锁
+     */
+    public static final int CONFLICT = 409;
+
+    /**
+     * 不支持的数据，媒体类型
+     */
+    public static final int UNSUPPORTED_TYPE = 415;
+
+    /**
+     * 系统内部错误
+     */
+    public static final int ERROR = 500;
+
+    /**
+     * 接口未实现
+     */
+    public static final int NOT_IMPLEMENTED = 501;
+
+    /**
+     * 系统警告消息
+     */
+    public static final int WARN = 601;
+}
diff --git a/src/main/java/com/huangge1199/picture/common/R.java b/src/main/java/com/huangge1199/picture/common/R.java
index 8dfb9db..90b1a7e 100644
--- a/src/main/java/com/huangge1199/picture/common/R.java
+++ b/src/main/java/com/huangge1199/picture/common/R.java
@@ -1,35 +1,113 @@
 package com.huangge1199.picture.common;
 
-import com.huangge1199.picture.exception.ErrorCode;
-
 import java.io.Serializable;
 
 /**
- * R
- * 返回响应
+ * 响应信息主体
  *
- * @author huangge1199
- * @since 2025/6/27 16:24:58
+ * @author ruoyi
  */
 public class R<T> implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 成功
+     */
+    public static final int SUCCESS = HttpStatus.SUCCESS;
+
+    /**
+     * 失败
+     */
+    public static final int FAIL = HttpStatus.ERROR;
 
     private int code;
 
+    private String msg;
+
     private T data;
 
-    private String message;
+    public static <T> R<T> ok() {
+        return restResult(null, SUCCESS, "操作成功");
+    }
 
-    public R(int code, T data, String message) {
+    public static <T> R<T> ok(T data) {
+        return restResult(data, SUCCESS, "操作成功");
+    }
+
+    public static <T> R<T> ok(T data, String msg) {
+        return restResult(data, SUCCESS, msg);
+    }
+
+    public static <T> R<T> fail() {
+        return restResult(null, FAIL, "操作失败");
+    }
+
+    public static <T> R<T> fail(String msg) {
+        return restResult(null, FAIL, msg);
+    }
+
+    public static <T> R<T> fail(Exception e) {
+        String msg = e.getMessage();
+        if (e.getCause() != null) {
+            msg = e.getCause().getMessage();
+        } else {
+            return restResult(null, FAIL, msg);
+        }
+        if (e.getCause().getCause() != null) {
+            msg = e.getCause().getCause().getMessage();
+        }
+        return restResult(null, FAIL, msg);
+    }
+
+    public static <T> R<T> fail(T data) {
+        return restResult(data, FAIL, "操作失败");
+    }
+
+    public static <T> R<T> fail(T data, String msg) {
+        return restResult(data, FAIL, msg);
+    }
+
+    public static <T> R<T> fail(int code, String msg) {
+        return restResult(null, code, msg);
+    }
+
+    private static <T> R<T> restResult(T data, int code, String msg) {
+        R<T> apiResult = new R<>();
+        apiResult.setCode(code);
+        apiResult.setData(data);
+        apiResult.setMsg(msg);
+        return apiResult;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
         this.code = code;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public void setData(T data) {
         this.data = data;
-        this.message = message;
     }
 
-    public R(int code, T data) {
-        this(code, data, "");
+    public static <T> Boolean isError(R<T> ret) {
+        return !isSuccess(ret);
     }
 
-    public R(ErrorCode errorCode) {
-        this(errorCode.getCode(), null, errorCode.getMessage());
+    public static <T> Boolean isSuccess(R<T> ret) {
+        return R.SUCCESS == ret.getCode();
     }
 }
diff --git a/src/main/java/com/huangge1199/picture/controller/MainController.java b/src/main/java/com/huangge1199/picture/controller/MainController.java
new file mode 100644
index 0000000..c137fc9
--- /dev/null
+++ b/src/main/java/com/huangge1199/picture/controller/MainController.java
@@ -0,0 +1,26 @@
+package com.huangge1199.picture.controller;
+
+import com.huangge1199.picture.common.R;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * MainController
+ *
+ * @author huangge1199
+ * @since 2025/6/28 16:29:11
+ */
+@RestController
+@RequestMapping("/")
+public class MainController {
+
+    /**
+     * 健康检查
+     */
+    @GetMapping("/health")
+    public R<?> health() {
+        return R.ok();
+    }
+}
+
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index f3ea53d..2c904c8 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -21,3 +21,14 @@ mybatis-plus:
       logic-delete-field: isDelete # 全局逻辑删除的实体字段名
       logic-delete-value: 1 # 逻辑已删除值（默认为 1）
       logic-not-delete-value: 0 # 逻辑未删除值（默认为 0）
+# 接口文档配置
+knife4j:
+  enable: true
+  openapi:
+    title: "接口文档"
+    version: 1.0
+    group:
+      default:
+        api-rule: package
+        api-rule-resources:
+          - com.huangge1199.picture.controller