diff --git a/pom.xml b/pom.xml
index 83906db..ad27c0b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,8 +63,14 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-security</artifactId>
+			<groupId>com.baomidou</groupId>
+			<artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+			<version>3.5.10.1</version>
+		</dependency>
+		<dependency>
+			<groupId>cn.dev33</groupId>
+			<artifactId>sa-token-spring-boot3-starter</artifactId>
+			<version>1.39.0</version>
 		</dependency>
 	</dependencies>
 
diff --git a/src/main/java/com/kane/animo/AnimoApplication.java b/src/main/java/com/kane/animo/AnimoApplication.java
index 3b8b9da..65261be 100644
--- a/src/main/java/com/kane/animo/AnimoApplication.java
+++ b/src/main/java/com/kane/animo/AnimoApplication.java
@@ -1,5 +1,7 @@
 package com.kane.animo;
 
+import org.mybatis.spring.annotation.MapperScan;
+import org.mybatis.spring.annotation.MapperScans;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@@ -8,6 +10,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @author Spring Boot Framework
  */
 @SpringBootApplication
+@MapperScan("com.kane.animo.*.mapper")
 public class AnimoApplication {
 
     public static void main(String[] args) {
diff --git a/src/main/java/com/kane/animo/auth/controller/AuthController.java b/src/main/java/com/kane/animo/auth/controller/AuthController.java
new file mode 100644
index 0000000..0d6d2f8
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/controller/AuthController.java
@@ -0,0 +1,43 @@
+package com.kane.animo.auth.controller;
+
+import com.kane.animo.auth.domain.form.LoginForm;
+import com.kane.animo.auth.service.AuthService;
+import com.kane.animo.model.R;
+import jakarta.annotation.Resource;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 认证
+ * @author Kane
+ * @since 2025/11/7 14:25
+ */
+@RestController
+@RequestMapping("/auth")
+public class AuthController {
+
+    @Resource
+    private AuthService service;
+
+    /**
+     * 登录
+     * @param from 登录参数
+     * @return 登录结果
+     */
+    @PostMapping("/login")
+    public R<String> login(@RequestBody LoginForm from) {
+        return service.login(from);
+    }
+
+    /**
+     * 注册
+     * @param from 注册参数
+     * @return 注册结果
+     */
+    @PostMapping("/register")
+    public R<String> register(@RequestBody LoginForm from) {
+        return service.register(from);
+    }
+}
diff --git a/src/main/java/com/kane/animo/auth/domain/User.java b/src/main/java/com/kane/animo/auth/domain/User.java
new file mode 100644
index 0000000..e87c75d
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/domain/User.java
@@ -0,0 +1,55 @@
+package com.kane.animo.auth.domain;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.InputStream;
+import java.io.Serial;
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * 用户
+ * @author Kane
+ * @since 2025/11/07 03:10
+ */
+@Data
+@TableName("user")
+public class User implements Serializable {
+
+	@Serial
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * ID
+	 */
+    @TableId
+	private Long id;
+
+	/**
+	 * 用户名
+	 */
+	private String user;
+
+	/**
+	 * 密码
+	 */
+	private String password;
+
+	/**
+	 * 头像
+	 */
+	private InputStream avatar;
+
+	/**
+	 * 创建时间
+	 */
+	private LocalDateTime createTime;
+
+	/**
+	 * 更新时间
+	 */
+	private LocalDateTime updateTime;
+
+}
diff --git a/src/main/java/com/kane/animo/auth/domain/form/LoginForm.java b/src/main/java/com/kane/animo/auth/domain/form/LoginForm.java
new file mode 100644
index 0000000..7d27ed4
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/domain/form/LoginForm.java
@@ -0,0 +1,14 @@
+package com.kane.animo.auth.domain.form;
+
+/**
+ * 登录参数
+ * @author Kane
+ * @since 2025/11/7 14:28
+ * @param user 用户名
+ * @param password 密码
+ */
+public record LoginForm(
+        String user,
+        String password
+) {
+}
diff --git a/src/main/java/com/kane/animo/auth/mapper/UserMapper.java b/src/main/java/com/kane/animo/auth/mapper/UserMapper.java
new file mode 100644
index 0000000..865c26b
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/mapper/UserMapper.java
@@ -0,0 +1,14 @@
+package com.kane.animo.auth.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.kane.animo.auth.domain.User;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 用户持久层
+ * @author Kane
+ * @since 2025/11/7 15:11
+ */
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}
diff --git a/src/main/java/com/kane/animo/auth/service/AuthService.java b/src/main/java/com/kane/animo/auth/service/AuthService.java
new file mode 100644
index 0000000..1391bc6
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/service/AuthService.java
@@ -0,0 +1,25 @@
+package com.kane.animo.auth.service;
+
+import com.kane.animo.auth.domain.form.LoginForm;
+import com.kane.animo.model.R;
+
+/**
+ * 认证服务
+ * @author Kane
+ * @since 2025/11/7 14:49
+ */
+public interface AuthService {
+    /**
+     * 登录
+     * @param from 登录参数
+     * @return 登录结果
+     */
+    R<String> login(LoginForm from);
+
+    /**
+     * 注册
+     * @param from 注册参数
+     * @return 注册结果
+     */
+    R<String> register(LoginForm from);
+}
diff --git a/src/main/java/com/kane/animo/auth/service/impl/AuthServiceImpl.java b/src/main/java/com/kane/animo/auth/service/impl/AuthServiceImpl.java
new file mode 100644
index 0000000..7f1d9b2
--- /dev/null
+++ b/src/main/java/com/kane/animo/auth/service/impl/AuthServiceImpl.java
@@ -0,0 +1,67 @@
+package com.kane.animo.auth.service.impl;
+
+import cn.dev33.satoken.secure.BCrypt;
+import cn.dev33.satoken.stp.StpUtil;
+import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
+import com.kane.animo.auth.domain.User;
+import com.kane.animo.auth.domain.form.LoginForm;
+import com.kane.animo.auth.mapper.UserMapper;
+import com.kane.animo.auth.service.AuthService;
+import com.kane.animo.exception.ServiceException;
+import com.kane.animo.model.R;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+/**
+ * 认证服务
+ * @author Kane
+ * @since 2025/11/7 14:49
+ */
+@Service
+public class AuthServiceImpl implements AuthService {
+
+    @Resource
+    private UserMapper userMapper;
+
+    /**
+     * 登录
+     *
+     * @param from 登录参数
+     * @return 登录结果
+     */
+    @Override
+    public R<String> login(LoginForm from) {
+        User one = new LambdaQueryChainWrapper<>(userMapper)
+                .eq(User::getUser, from.user())
+                .one();
+        if (one == null){
+            throw new ServiceException("用户不存在");
+        }
+        if (!BCrypt.checkpw(from.password(), one.getPassword())){
+            throw new ServiceException("密码错误");
+        }
+        StpUtil.login(one.getId());
+        return R.success();
+    }
+
+    /**
+     * 注册
+     *
+     * @param from 注册参数
+     * @return 注册结果
+     */
+    @Override
+    public R<String> register(LoginForm from) {
+        User one = new LambdaQueryChainWrapper<>(userMapper)
+                .eq(User::getUser, from.user())
+                .one();
+        if (one != null){
+            throw new ServiceException("用户已存在");
+        }
+        User user = new User();
+        user.setUser(from.user());
+        user.setPassword(BCrypt.hashpw(from.password(), BCrypt.gensalt()));
+        userMapper.insert(user);
+        return login(from);
+    }
+}
diff --git a/src/main/java/com/kane/animo/config/SaTokenConfigurer.java b/src/main/java/com/kane/animo/config/SaTokenConfigurer.java
new file mode 100644
index 0000000..7bd315a
--- /dev/null
+++ b/src/main/java/com/kane/animo/config/SaTokenConfigurer.java
@@ -0,0 +1,23 @@
+package com.kane.animo.config;
+
+import cn.dev33.satoken.interceptor.SaInterceptor;
+import cn.dev33.satoken.stp.StpUtil;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * 拦截器配置
+ * @author Kane
+ * @since 2025/11/7 16:13
+ */
+@Configuration
+public class SaTokenConfigurer implements WebMvcConfigurer {
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(new SaInterceptor(handler -> StpUtil.checkLogin()))
+                .addPathPatterns("/**")
+                .excludePathPatterns("/auth/login");
+//                .excludePathPatterns("/auth/register");
+    }
+}
diff --git a/src/main/java/com/kane/animo/exception/ServiceException.java b/src/main/java/com/kane/animo/exception/ServiceException.java
new file mode 100644
index 0000000..d5373dd
--- /dev/null
+++ b/src/main/java/com/kane/animo/exception/ServiceException.java
@@ -0,0 +1,12 @@
+package com.kane.animo.exception;
+
+/**
+ * 服务异常
+ * @author Kane
+ * @since 2025/11/7 15:16
+ */
+public class ServiceException extends RuntimeException {
+    public ServiceException(String message) {
+        super(message);
+    }
+}
diff --git a/src/main/java/com/kane/animo/filter/ExceptionFilter.java b/src/main/java/com/kane/animo/filter/ExceptionFilter.java
new file mode 100644
index 0000000..83c0b86
--- /dev/null
+++ b/src/main/java/com/kane/animo/filter/ExceptionFilter.java
@@ -0,0 +1,25 @@
+package com.kane.animo.filter;
+
+import cn.dev33.satoken.exception.NotLoginException;
+import com.kane.animo.exception.ServiceException;
+import com.kane.animo.model.R;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+/**
+ * 异常过滤器
+ * @author Kane
+ * @since 2025/11/7 15:16
+ */
+@RestControllerAdvice
+public class ExceptionFilter {
+    @ExceptionHandler(ServiceException.class)
+    public R<String> handleServiceException(ServiceException e) {
+        return R.error(e.getMessage());
+    }
+
+    @ExceptionHandler(NotLoginException.class)
+    public R<String> handleException(NotLoginException e) {
+        return R.error("认证失败 - 未登录");
+    }
+}
diff --git a/src/main/java/com/kane/animo/model/R.java b/src/main/java/com/kane/animo/model/R.java
new file mode 100644
index 0000000..ea40df6
--- /dev/null
+++ b/src/main/java/com/kane/animo/model/R.java
@@ -0,0 +1,63 @@
+package com.kane.animo.model;
+
+import lombok.Data;
+
+/**
+ * 统一返回结果
+ * @author Kane
+ * @since 2025/11/7 14:50
+ */
+@Data
+public class R<T> {
+    private int code;
+    private String message;
+    private T data;
+    private long timestamp;
+    public static <T> R<T> success() {
+        R<T> r = new R<>();
+        r.setCode(200);
+        r.setMessage("success");
+        r.setData(null);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+    public static <T> R<T> success(T data) {
+        R<T> r = new R<>();
+        r.setCode(200);
+        r.setMessage("success");
+        r.setData(data);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+    public static <T> R<T> success(String message, T data) {
+        R<T> r = new R<>();
+        r.setCode(200);
+        r.setMessage(message);
+        r.setData(data);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+    public static <T> R<T> error(String message) {
+        R<T> r = new R<>();
+        r.setCode(500);
+        r.setMessage(message);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+    public static <T> R<T> build(int code, String message) {
+        R<T> r = new R<>();
+        r.setCode(code);
+        r.setMessage(message);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+    public static <T> R<T> build(int code, String message, T data) {
+        R<T> r = new R<>();
+        r.setCode(code);
+        r.setMessage(message);
+        r.setData(data);
+        r.setTimestamp(System.currentTimeMillis());
+        return r;
+    }
+
+}
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index b4d1286..9eadcb5 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -4,3 +4,12 @@ server:
 spring:
   application:
     name: Animo
+
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3306/animo?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&allowPublicKeyRetrieval=true&useSSL=false
+    username: animo
+    password: WS6PCwksRpEYNpNt
+
+mybatis-plus:
+  mapper-locations: classpath*:/mapper/**/*.xml