diff --git a/src/main/java/org/xlf/function/resourcesdocking/aspect/TimestampAspect.java b/src/main/java/org/xlf/function/resourcesdocking/aspect/TimestampAspect.java
new file mode 100644
index 0000000..be040c7
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/aspect/TimestampAspect.java
@@ -0,0 +1,73 @@
+package org.xlf.function.resourcesdocking.aspect;
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+import org.xlf.function.resourcesdocking.common.util.ErrorCode;
+import org.xlf.function.resourcesdocking.common.util.ResultUtil;
+
+import java.util.Objects;
+
+/**
+ * <h1>TimestampAspect 时间戳切面</h1>
+ * <hr/>
+ * 用于处理时间戳相关逻辑
+ *
+ * @since v1.0.0
+ * @version v1.0.0
+ */
+@Aspect
+@Component
+public class TimestampAspect {
+    /**
+     * <h2>authControllerAround 认证控制器切面</h2>
+     * <hr/>
+     * 用于认证控制器的切面
+     *
+     * @param pjp ProceedingJoinPoint对象
+     * @return {@link Object}
+     */
+    @Around("execution(* org.xlf.function.resourcesdocking.controllers.AuthController.*(..))")
+    public Object authControllerAround(ProceedingJoinPoint pjp) throws Throwable {
+        // 获取HttpServletRequest对象
+        HttpServletRequest request = ((ServletRequestAttributes) Objects.requireNonNull(RequestContextHolder.getRequestAttributes())).getRequest();
+
+        // 时间戳检查
+        if (checkTimestamp(request)) {
+            // TODO: 2023/12/30 0001 后期固定业务（如：日志处理）
+            return pjp.proceed();
+        } else {
+            return ResultUtil.error(ErrorCode.TIMESTAMP_IS_NOT_IN_TIME);
+        }
+    }
+
+    /**
+     * <h2>checkTimestamp 检查时间戳</h2>
+     * <hr/>
+     * 用于检查时间戳是否合法，合法时间范围正负 1 秒
+     *
+     * @param request HttpServletRequest对象
+     * @return {@link Boolean}
+     */
+    public Boolean checkTimestamp(@NotNull HttpServletRequest request) {
+        // 获取请求头中的时间戳
+        String getTimestamp = request.getHeader("Timestamp");
+        // 判断是否为空
+        if (getTimestamp == null || getTimestamp.isEmpty()) {
+            return false;
+        } else {
+            if (getTimestamp.length() == 10) {
+                getTimestamp += "000";
+            }
+        }
+        // 获取当前时间戳
+        long nowTimestamp = System.currentTimeMillis();
+        // 时间误差允许前后五秒钟
+        return nowTimestamp - Long.parseLong(getTimestamp) <= 1000 && nowTimestamp - Long.parseLong(getTimestamp) >= -1000;
+    }
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/common/util/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/common/util/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/common/util/ErrorCode.java b/src/main/java/org/xlf/function/resourcesdocking/common/util/ErrorCode.java
index 8e6fc96..a576d54 100644
--- a/src/main/java/org/xlf/function/resourcesdocking/common/util/ErrorCode.java
+++ b/src/main/java/org/xlf/function/resourcesdocking/common/util/ErrorCode.java
@@ -1,8 +1,10 @@
 package org.xlf.function.resourcesdocking.common.util;
 
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 
 @Getter
+@RequiredArgsConstructor
 public enum ErrorCode {
 
     /*
@@ -11,19 +13,15 @@ public enum ErrorCode {
     WRONG_PASSWORD("WrongPassword", 40000, "密码错误"),
     USER_NOT_FOUND("UserNotFound", 40001, "用户不存在"),
     USER_EXIST("UserExist", 40002, "用户已存在"),
-    USER_BAN("UserBan", 40003, "用户已被封禁"),
-    USER_VERIFY("UserVerify", 40004, "用户未通过验证"),
-    USER_NOT_LOGIN("UserNotLogin", 40005, "用户未登录"),
-    USER_NOT_PERMISSION("UserNotPermission", 40006, "用户无权限"),
-    USER_NOT_ACTIVE("UserNotActive", 40007, "用户未激活");
+    REQUEST_BODY_ERROR("RequestBodyError", 40003, "请求体错误"),
+    USER_VERIFY("UserVerify", 40100, "用户未通过验证"),
+    USER_BAN("UserBan", 40101, "用户已被封禁"),
+    USER_NOT_LOGIN("UserNotLogin", 40102, "用户未登录"),
+    USER_NOT_PERMISSION("UserNotPermission", 40103, "用户无权限"),
+    USER_NOT_ACTIVE("UserNotActive", 40104, "用户未激活"),
+    TIMESTAMP_IS_NOT_IN_TIME("TimestampIsNotInTime", 40300, "时间戳不在合法时间内");
 
     private final String output;
     private final Integer code;
     private final String message;
-
-    ErrorCode(String output, Integer code, String message) {
-        this.output = output;
-        this.code = code;
-        this.message = message;
-    }
 }
diff --git a/src/main/java/org/xlf/function/resourcesdocking/common/util/Processing.java b/src/main/java/org/xlf/function/resourcesdocking/common/util/Processing.java
new file mode 100644
index 0000000..73ea1dc
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/common/util/Processing.java
@@ -0,0 +1,33 @@
+package org.xlf.function.resourcesdocking.common.util;
+
+import org.jetbrains.annotations.NotNull;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.ObjectError;
+
+import java.util.ArrayList;
+
+/**
+ * <h1>Processing 处理工具类</h1>
+ * <hr/>
+ * 用于处理数据
+ *
+ * @version v1.0.0
+ * @since v1.0.0
+ */
+public class Processing {
+    /**
+     * <h2>getValidatedErrorList 获取验证错误信息列表</h2>
+     * <hr/>
+     * 用于获取验证错误信息列表
+     *
+     * @param bindingResult 错误信息
+     * @return {@link ArrayList<String>}
+     */
+    public static @NotNull ArrayList<String> getValidatedErrorList(BindingResult bindingResult) {
+        ArrayList<String> arrayList = new ArrayList<>();
+        for (ObjectError objectError : bindingResult.getAllErrors()) {
+            arrayList.add(objectError.getDefaultMessage());
+        }
+        return arrayList;
+    }
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/common/util/ResultUtil.java b/src/main/java/org/xlf/function/resourcesdocking/common/util/ResultUtil.java
index cc9530e..cf10ed0 100644
--- a/src/main/java/org/xlf/function/resourcesdocking/common/util/ResultUtil.java
+++ b/src/main/java/org/xlf/function/resourcesdocking/common/util/ResultUtil.java
@@ -76,6 +76,19 @@ public class ResultUtil {
         return new BaseResponse(errorCode.getOutput(), errorCode.getCode(), errorCode.getMessage());
     }
 
+    /**
+     * <h2>Error 错误响应结果</h2>
+     * <hr/>
+     * 用于封装错误响应结果
+     *
+     * @param errorCode 错误码
+     * @param data 响应数据
+     * @return BaseResponse
+     */
+    public static @NotNull BaseResponse error(@NotNull ErrorCode errorCode, Object data) {
+        return new BaseResponse(errorCode.getOutput(), errorCode.getCode(), errorCode.getMessage(), data);
+    }
+
     /**
      * <h2>Error 错误响应结果</h2>
      * <hr/>
@@ -86,7 +99,7 @@ public class ResultUtil {
      * @param message 响应信息
      * @return BaseResponse
      */
-    public static @NotNull BaseResponse error(String output, Integer code, String message) {
-        return new BaseResponse(output, code, message);
+    public static @NotNull BaseResponse error(String output, Integer code, String message, Object data) {
+        return new BaseResponse(output, code, message, data);
     }
 }
diff --git a/src/main/java/org/xlf/function/resourcesdocking/controllers/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/controllers/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/controllers/AuthController.java b/src/main/java/org/xlf/function/resourcesdocking/controllers/AuthController.java
new file mode 100644
index 0000000..1960b69
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/controllers/AuthController.java
@@ -0,0 +1,51 @@
+package org.xlf.function.resourcesdocking.controllers;
+
+import lombok.RequiredArgsConstructor;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.xlf.function.resourcesdocking.common.util.BaseResponse;
+import org.xlf.function.resourcesdocking.common.util.ErrorCode;
+import org.xlf.function.resourcesdocking.common.util.Processing;
+import org.xlf.function.resourcesdocking.common.util.ResultUtil;
+import org.xlf.function.resourcesdocking.model.entity.AuthLoginEntity;
+import org.xlf.function.resourcesdocking.services.AuthService;
+
+/**
+ * <h1>AuthController 认证控制器</h1>
+ * <hr/>
+ * 用于处理认证相关请求
+ *
+ * @version v1.0.0
+ * @since v1.0.0
+ */
+@RestController
+@RequestMapping("/user")
+@RequiredArgsConstructor
+public class AuthController {
+    /**
+     * 认证服务
+     */
+    private final AuthService authService;
+
+    /**
+     * <h2>userSignIn 用户登录</h2>
+     * <hr/>
+     * 用于处理用户登录请求
+     *
+     * @return BaseResponse
+     */
+    @GetMapping("/sign/in")
+    public BaseResponse userSignIn(@RequestBody @Validated AuthLoginEntity loginEntity, @NotNull BindingResult bindingResult) {
+        // 验证请求体
+        if (bindingResult.hasErrors()) {
+            return ResultUtil.error(ErrorCode.REQUEST_BODY_ERROR, Processing.getValidatedErrorList(bindingResult));
+        }
+        // 处理用户登录
+        return authService.userSignIn(loginEntity);
+    }
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/mappers/UserMapper.java b/src/main/java/org/xlf/function/resourcesdocking/mappers/UserMapper.java
new file mode 100644
index 0000000..32c526b
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/mappers/UserMapper.java
@@ -0,0 +1,20 @@
+package org.xlf.function.resourcesdocking.mappers;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+import org.xlf.function.resourcesdocking.model.UserDO;
+
+@Mapper
+public interface UserMapper {
+    @Select("SELECT * FROM srd_user WHERE username = #{username} LIMIT 1")
+    UserDO getUserByUsername(String username);
+
+    @Select("SELECT * FROM srd_user WHERE email = #{email} LIMIT 1")
+    UserDO getUserByEmail(String email);
+
+    @Select("SELECT * FROM srd_user WHERE id = #{id} LIMIT 1")
+    UserDO getUserById(Long id);
+
+    @Select("SELECT * FROM srd_user WHERE tel_country_area = #{country} AND tel = #{tel} LIMIT 1")
+    UserDO getUserByTelephone(String country, String tel);
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/model/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/model/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/model/entity/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/model/entity/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/model/entity/AuthLoginEntity.java b/src/main/java/org/xlf/function/resourcesdocking/model/entity/AuthLoginEntity.java
new file mode 100644
index 0000000..76d42b2
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/model/entity/AuthLoginEntity.java
@@ -0,0 +1,23 @@
+package org.xlf.function.resourcesdocking.model.entity;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * <h1>AuthLoginEntity 登录实体类</h1>
+ * <hr/>
+ * 用于封装登录信息
+ *
+ * @since v1.0.0
+ * @version v1.0.0
+ * @author 筱锋xiao_lfeng
+ */
+@Getter
+@Setter
+public class AuthLoginEntity {
+    @NotBlank(message = "用户名不能为空")
+    private String user;
+    @NotBlank(message = "密码不能为空")
+    private String password;
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/repositories/AuthDAO.java b/src/main/java/org/xlf/function/resourcesdocking/repositories/AuthDAO.java
new file mode 100644
index 0000000..027f2c3
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/repositories/AuthDAO.java
@@ -0,0 +1,74 @@
+package org.xlf.function.resourcesdocking.repositories;
+
+import lombok.RequiredArgsConstructor;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.stereotype.Repository;
+import org.xlf.function.resourcesdocking.mappers.UserMapper;
+import org.xlf.function.resourcesdocking.model.UserDO;
+
+/**
+ * <h1>AuthDAO 认证数据访问对象</h1>
+ * <hr/>
+ * 用于访问认证相关数据
+ *
+ * @since v1.0.0
+ * @version v1.0.0
+ */
+@Repository
+@RequiredArgsConstructor
+public class AuthDAO {
+    /**
+     * <h2>userMapper 用户映射器</h2>
+     * <hr/>
+     * 用于访问用户相关数据
+     */
+    private final UserMapper userMapper;
+
+    /**
+     * <h2>getUserByUsername 根据用户名获取用户信息</h2>
+     * <hr/>
+     * 用于根据用户名获取用户信息
+     *
+     * @param username 用户名
+     * @return {@link UserDO}
+     */
+    public UserDO getUserByUsername(String username) {
+        return userMapper.getUserByUsername(username);
+    }
+
+    /**
+     * <h2>getUserByEmail 根据邮箱获取用户信息</h2>
+     * <hr/>
+     * 用于根据邮箱获取用户信息
+     *
+     * @param email 邮箱
+     * @return {@link UserDO}
+     */
+    public UserDO getUserByEmail(String email) {
+        return userMapper.getUserByEmail(email);
+    }
+
+    /**
+     * <h2>getUserById 根据用户 ID 获取用户信息</h2>
+     * <hr/>
+     * 用于根据用户 ID 获取用户信息
+     *
+     * @param id 用户 ID
+     * @return {@link UserDO}
+     */
+    public UserDO getUserById(Long id) {
+        return userMapper.getUserById(id);
+    }
+
+    /**
+     * <h2>getUserByTelephone 根据手机号获取用户信息</h2>
+     * <hr/>
+     * 用于根据手机号获取用户信息
+     *
+     * @param tel 手机号
+     * @return {@link UserDO}
+     */
+    public UserDO getUserByTelephone(String @NotNull [] tel) {
+        return userMapper.getUserByTelephone(tel[0], tel[1]);
+    }
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/repository/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/repository/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/services/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/services/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/services/AuthService.java b/src/main/java/org/xlf/function/resourcesdocking/services/AuthService.java
new file mode 100644
index 0000000..e18c035
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/services/AuthService.java
@@ -0,0 +1,25 @@
+package org.xlf.function.resourcesdocking.services;
+
+import org.xlf.function.resourcesdocking.common.util.BaseResponse;
+import org.xlf.function.resourcesdocking.model.entity.AuthLoginEntity;
+
+/**
+ * <h1>AuthService 认证服务接口</h1>
+ * <hr/>
+ * 用于处理认证相关请求
+ *
+ * @version v1.0.0
+ * @see org.xlf.function.resourcesdocking.services.impl.AuthServiceImpl
+ * @since v1.0.0
+ */
+public interface AuthService {
+    /**
+     * <h2>userSignIn 用户登录</h2>
+     * <hr/>
+     * 用于处理用户登录请求
+     *
+     * @param loginEntity 登录实体
+     * @return BaseResponse
+     */
+    BaseResponse userSignIn(AuthLoginEntity loginEntity);
+}
diff --git a/src/main/java/org/xlf/function/resourcesdocking/services/impl/.gitkeep b/src/main/java/org/xlf/function/resourcesdocking/services/impl/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/org/xlf/function/resourcesdocking/services/impl/AuthServiceImpl.java b/src/main/java/org/xlf/function/resourcesdocking/services/impl/AuthServiceImpl.java
new file mode 100644
index 0000000..c9aa54f
--- /dev/null
+++ b/src/main/java/org/xlf/function/resourcesdocking/services/impl/AuthServiceImpl.java
@@ -0,0 +1,61 @@
+package org.xlf.function.resourcesdocking.services.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.jetbrains.annotations.NotNull;
+import org.mindrot.jbcrypt.BCrypt;
+import org.springframework.stereotype.Service;
+import org.xlf.function.resourcesdocking.common.util.BaseResponse;
+import org.xlf.function.resourcesdocking.common.util.ErrorCode;
+import org.xlf.function.resourcesdocking.common.util.ResultUtil;
+import org.xlf.function.resourcesdocking.model.UserDO;
+import org.xlf.function.resourcesdocking.model.entity.AuthLoginEntity;
+import org.xlf.function.resourcesdocking.repositories.AuthDAO;
+import org.xlf.function.resourcesdocking.services.AuthService;
+
+import java.util.ArrayList;
+import java.util.regex.Pattern;
+
+/**
+ * <h1>AuthServiceImpl 认证服务实现类</h1>
+ * <hr/>
+ * 用于处理认证相关请求
+ *
+ * @since v1.0.0
+ * @version v1.0.0
+ */
+@Service
+@RequiredArgsConstructor
+public class AuthServiceImpl implements AuthService {
+    /**
+     * 认证数据访问对象
+     */
+    private final AuthDAO authDAO;
+
+    @Override
+    public BaseResponse userSignIn(@NotNull AuthLoginEntity loginEntity) {
+        // 正则表达式检查用户数据
+        UserDO userDO;
+        if (Pattern.matches("^[a-zA-Z0-9_-]{3,40}$", loginEntity.getUser())) {
+            userDO = authDAO.getUserByUsername(loginEntity.getUser());
+        } else if (Pattern.matches("^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$", loginEntity.getUser())) {
+            userDO = authDAO.getUserByEmail(loginEntity.getUser());
+        } else if (Pattern.matches("^\\+[0-9]+ [0-9]+$", loginEntity.getUser())) {
+            // 拆分国区与手机号
+            String[] split = loginEntity.getUser().split(" ");
+            split[0] = new StringBuilder(split[0]).deleteCharAt(0).toString();
+            userDO = authDAO.getUserByTelephone(split);
+        } else {
+            return ResultUtil.error(ErrorCode.REQUEST_BODY_ERROR, new ArrayList<String>().add("用户名或邮箱或手机号格式错误"));
+        }
+        // 验证用户是否存在
+        if (userDO == null) {
+            return ResultUtil.error(ErrorCode.USER_NOT_FOUND);
+        }
+        // 验证密码是否正确
+        if (BCrypt.checkpw(loginEntity.getPassword(), userDO.getPassword())) {
+            return ResultUtil.success("Success", "登陆成功",userDO);
+        } else {
+            return ResultUtil.error(ErrorCode.WRONG_PASSWORD);
+        }
+    }
+}