diff --git a/pom.xml b/pom.xml
index e2e5f18..f362cf0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,12 +71,12 @@
             <artifactId>jakarta.mail</artifactId>
             <version>2.0.1</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-devtools</artifactId>
-            <scope>runtime</scope>
-            <optional>true</optional>
-        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.springframework.boot</groupId>-->
+<!--            <artifactId>spring-boot-devtools</artifactId>-->
+<!--            <scope>runtime</scope>-->
+<!--            <optional>true</optional>-->
+<!--        </dependency>-->
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
@@ -127,6 +127,11 @@
             <artifactId>jjwt-jackson</artifactId>
             <version>0.11.5</version>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/src/main/java/asia/yulinling/workflow/WorkFlowMain.java b/src/main/java/asia/yulinling/workflow/WorkFlowMain.java
index d7244bc..073e3d9 100644
--- a/src/main/java/asia/yulinling/workflow/WorkFlowMain.java
+++ b/src/main/java/asia/yulinling/workflow/WorkFlowMain.java
@@ -13,11 +13,5 @@ import org.springframework.context.ConfigurableApplicationContext;
 public class WorkFlowMain {
     public static void main(String[] args) {
         ConfigurableApplicationContext context = SpringApplication.run(WorkFlowMain.class, args);
-        int length = context.getBeanDefinitionCount();
-        log.trace("Number of beans in application context: {}", length);
-        log.debug("Number of beans in application context: {}", length);
-        log.info("Number of beans in application context: {}", length);
-        log.warn("Number of beans in application context: {}", length);
-        log.error("Number of beans in application context: {}", length);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/asia/yulinling/workflow/config/SecurityConfig.java b/src/main/java/asia/yulinling/workflow/config/SecurityConfig.java
index 84a6cf9..00673c5 100644
--- a/src/main/java/asia/yulinling/workflow/config/SecurityConfig.java
+++ b/src/main/java/asia/yulinling/workflow/config/SecurityConfig.java
@@ -1,26 +1,61 @@
 package asia.yulinling.workflow.config;
 
+
+import asia.yulinling.workflow.model.vo.user.UserPrincipal;
+import asia.yulinling.workflow.security.AuthEntryPoint;
+import asia.yulinling.workflow.security.JwtAuthenticationFilter;
+import asia.yulinling.workflow.service.CustomerDetailsService;
+import asia.yulinling.workflow.utils.JwtUtil;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.security.config.Customizer;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
+import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 import org.springframework.security.web.SecurityFilterChain;
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
+import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
+import org.springframework.security.web.util.matcher.RequestMatcher;
+
+import java.util.List;
 
 @Configuration
 @EnableWebSecurity
+@RequiredArgsConstructor
+@Slf4j
 public class SecurityConfig {
+
+    private final CustomerDetailsService customerDetailService;
+
     @Bean
-    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
-        http.authorizeHttpRequests(authorize -> authorize
-                        .requestMatchers("/users", "/users/**").permitAll()
-                        .anyRequest().authenticated())
-                .formLogin(formLogin -> formLogin
-                        .loginPage("/login")
-                        .permitAll())
-                .rememberMe(Customizer.withDefaults());
+    public SecurityFilterChain securityFilterChain(HttpSecurity http, JwtUtil jwtUtil, AuthEntryPoint authEntryPoint, RequestMatcher requestMatcher) throws Exception {
+        http
+                .csrf(AbstractHttpConfigurer::disable)
+                .exceptionHandling(ex -> ex
+                        .authenticationEntryPoint(authEntryPoint)
+                        .accessDeniedHandler((request, response, accessDeniedException) -> response.sendError(HttpServletResponse.SC_FORBIDDEN, "Access Denied"))
+                )
+                .authorizeHttpRequests(auth -> auth
+                        .requestMatchers("/login").permitAll()
+                        .requestMatchers("/users", "/users/**").authenticated()
+                        .anyRequest().authenticated()
+                )
+                .sessionManagement(AbstractHttpConfigurer::disable)
+                .addFilterBefore(
+                        new JwtAuthenticationFilter(jwtUtil, authEntryPoint, requestMatcher),
+                        UsernamePasswordAuthenticationFilter.class
+                );
+
         return http.build();
     }
 
@@ -31,4 +66,32 @@ public class SecurityConfig {
     public PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
     }
+
+    @Bean RequestMatcher requestMatcher() {
+        return new AntPathRequestMatcher("/login", "POST");
+    }
+
+    @Bean
+    public DaoAuthenticationProvider authenticationProvider() {
+        DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
+        authProvider.setUserDetailsService(customerDetailService);
+        return authProvider;
+    }
+
+    @Bean
+    public UserDetailsService userDetailsService(PasswordEncoder passwordEncoder) {
+        UserPrincipal user = new UserPrincipal(
+                1L,
+                "admin",
+                passwordEncoder.encode("123456"),
+                List.of("ADMIN"),
+                List.of(new SimpleGrantedAuthority("ROLE_ADMIN"))
+        );
+        return new InMemoryUserDetailsManager(user);
+    }
+
+    @Bean
+    public AuthenticationManager authenticationManager(AuthenticationConfiguration configuration) throws Exception {
+        return configuration.getAuthenticationManager();
+    }
 }
diff --git a/src/main/java/asia/yulinling/workflow/controller/LoginController.java b/src/main/java/asia/yulinling/workflow/controller/LoginController.java
new file mode 100644
index 0000000..e6c9cad
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/controller/LoginController.java
@@ -0,0 +1,51 @@
+package asia.yulinling.workflow.controller;
+
+import asia.yulinling.workflow.dto.request.LoginRequest;
+import asia.yulinling.workflow.utils.JwtUtil;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * <p>
+ * 登录控制层
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@RestController
+@RequiredArgsConstructor
+@Slf4j
+public class LoginController {
+
+    private final AuthenticationManager authenticationManager;
+    private final JwtUtil jwtUtil;
+
+    @PostMapping("/login")
+    public ResponseEntity<?> login(@RequestBody LoginRequest loginRequest) {
+        try {
+            UsernamePasswordAuthenticationToken authToken =
+                    new UsernamePasswordAuthenticationToken(loginRequest.getUsername(), loginRequest.getPassword());
+
+            Authentication authentication = authenticationManager.authenticate(authToken);
+
+            log.info("{}", authentication.getPrincipal());
+            String token = jwtUtil.generateToken(authentication, false); // 可根据需要传 true/false
+
+            return ResponseEntity.ok(token);
+        } catch (AuthenticationException ex) {
+            log.info("{}", ex.getMessage());
+            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("用户名或密码错误");
+        }
+    }
+}
+
diff --git a/src/main/java/asia/yulinling/workflow/controller/TestController.java b/src/main/java/asia/yulinling/workflow/controller/TestController.java
index 6ba19e9..73e0ee0 100644
--- a/src/main/java/asia/yulinling/workflow/controller/TestController.java
+++ b/src/main/java/asia/yulinling/workflow/controller/TestController.java
@@ -8,10 +8,12 @@ import asia.yulinling.workflow.model.ApiResponse;
 import asia.yulinling.workflow.dto.response.PageResult;
 import asia.yulinling.workflow.model.vo.user.UserVO;
 import asia.yulinling.workflow.service.UserService;
+import asia.yulinling.workflow.utils.JwtUtil;
 import cn.hutool.core.lang.Dict;
 import cn.hutool.json.JSONUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.Map;
@@ -29,6 +31,8 @@ import java.util.Map;
 @RequiredArgsConstructor
 public class TestController {
     private final UserService userService;
+    private final JwtUtil jwtUtil;
+    private final AuthenticationManager authenticationManager;
 
     /**
      * 测试方法 GET
@@ -72,9 +76,4 @@ public class TestController {
     public ApiResponse<PageResult<UserVO>> usersPage(PageParam pageParam) {
         return userService.getUserListByPage(pageParam);
     }
-
-    @GetMapping("/login")
-    public ApiResponse<String> login() {
-        return ApiResponse.ofSuccess("登录成功");
-    }
 }
diff --git a/src/main/java/asia/yulinling/workflow/dto/request/LoginRequest.java b/src/main/java/asia/yulinling/workflow/dto/request/LoginRequest.java
new file mode 100644
index 0000000..0799ce4
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/dto/request/LoginRequest.java
@@ -0,0 +1,17 @@
+package asia.yulinling.workflow.dto.request;
+
+import lombok.Data;
+
+/**
+ * <p>
+ * 登录请求类
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@Data
+public class LoginRequest {
+    private String username;
+    private String password;
+}
diff --git a/src/main/java/asia/yulinling/workflow/mapper/PermissionMapper.java b/src/main/java/asia/yulinling/workflow/mapper/PermissionMapper.java
new file mode 100644
index 0000000..249b112
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/mapper/PermissionMapper.java
@@ -0,0 +1,19 @@
+package asia.yulinling.workflow.mapper;
+
+import asia.yulinling.workflow.model.entity.Permission;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Component;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@Mapper
+@Component
+public interface PermissionMapper extends BaseMapper<Permission> {
+}
diff --git a/src/main/java/asia/yulinling/workflow/mapper/RoleMapper.java b/src/main/java/asia/yulinling/workflow/mapper/RoleMapper.java
new file mode 100644
index 0000000..62b0688
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/mapper/RoleMapper.java
@@ -0,0 +1,19 @@
+package asia.yulinling.workflow.mapper;
+
+import asia.yulinling.workflow.model.entity.Role;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Component;
+
+/**
+ * <p>
+ * 角色Mapper
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@Mapper
+@Component
+public interface RoleMapper extends BaseMapper<Role> {
+}
diff --git a/src/main/java/asia/yulinling/workflow/mapper/UserMapper.java b/src/main/java/asia/yulinling/workflow/mapper/UserMapper.java
index 9439345..9dd2112 100644
--- a/src/main/java/asia/yulinling/workflow/mapper/UserMapper.java
+++ b/src/main/java/asia/yulinling/workflow/mapper/UserMapper.java
@@ -3,8 +3,6 @@ package asia.yulinling.workflow.mapper;
 import asia.yulinling.workflow.model.entity.User;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
-import org.apache.ibatis.annotations.Select;
 import org.springframework.stereotype.Component;
 
 /**
@@ -18,29 +16,4 @@ import org.springframework.stereotype.Component;
 @Mapper
 @Component
 public interface UserMapper extends BaseMapper<User> {
-
-    /**
-     * 根据id查询用户
-     *
-     * @param id 主键id
-     * @return 当前id的用户，不存在则是{@code null}
-     */
-    @Select("SELECT * FROM orm_user WHERE id = #{id}")
-    User selectUserById(@Param("id")Long id);
-
-    /**
-     * 保存用户
-     *
-     * @param user 用户
-     * @return 成功 - {@code 1} 失败 - {@code 0}
-     */
-    int saveUser(@Param("user") User user);
-
-    /**
-     * 删除用户
-     *
-     * @param id 主键id
-     * @return 成功 - {@code 1} 失败 - {@code 0}
-     */
-    int deleteById(@Param("id")Long id);
 }
diff --git a/src/main/java/asia/yulinling/workflow/model/vo/user/UserPrincipal.java b/src/main/java/asia/yulinling/workflow/model/vo/user/UserPrincipal.java
index 1b926d5..8c92d2f 100644
--- a/src/main/java/asia/yulinling/workflow/model/vo/user/UserPrincipal.java
+++ b/src/main/java/asia/yulinling/workflow/model/vo/user/UserPrincipal.java
@@ -1,18 +1,23 @@
 package asia.yulinling.workflow.model.vo.user;
 
+import asia.yulinling.workflow.model.entity.Permission;
+import asia.yulinling.workflow.model.entity.Role;
+import asia.yulinling.workflow.model.entity.User;
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
 
 import java.util.Collection;
 import java.util.Date;
 import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * <p>
@@ -49,12 +54,6 @@ public class UserPrincipal implements UserDetails {
     @JsonIgnore
     private String password;
 
-    /**
-     * 加密使用盐
-     */
-    @JsonIgnore
-    private String salt;
-
     /**
      * 邮箱
      */
@@ -98,25 +97,80 @@ public class UserPrincipal implements UserDetails {
     /**
      * 用户角色列表
      */
-    private List<String > roles;
+    private List<String> roles;
 
     /**
      * 用户权限列表
      */
     private Collection<? extends GrantedAuthority> authorities;
 
+    public UserPrincipal(Long id, String username, String password, String nickname, String phone, String email, String birthday, Integer sex, Integer status, Date createTime, Date updateTime, List<String> roleNames, List<GrantedAuthority> authorities) {
+        this.id = id;
+        this.username = username;
+        this.password = password;
+        this.nickname = nickname;
+        this.phone = phone;
+        this.email = email;
+        this.birthday = birthday;
+        this.sex = sex;
+        this.status = status;
+        this.createTime = createTime;
+        this.updateTime = updateTime;
+        this.roles = roleNames;
+        this.authorities = authorities;
+    }
+
     @Override
     public Collection<? extends GrantedAuthority> getAuthorities() {
         return List.of();
     }
 
+    public UserPrincipal(Long id, String username, String password,
+                         List<String> roles, Collection<? extends GrantedAuthority> authorities) {
+        this.id = id;
+        this.username = username;
+        this.password = password;
+        this.roles = roles;
+        this.authorities = authorities;
+        this.status = 1; // 启用
+    }
+
+    public static UserPrincipal create(User user, List<Role> roles, List<Permission> permissions) {
+        List<String> roleNames = roles.stream().map(Role::getName).collect(Collectors.toList());
+
+        List<GrantedAuthority> authorities = permissions.stream().filter(permission -> StrUtil.isNotBlank(permission.getPermission())).map(permission -> new SimpleGrantedAuthority(permission.getPermission())).collect(Collectors.toList());
+
+        return new UserPrincipal(user.getId(), user.getUsername(), user.getPassword(), user.getNickname(), user.getPhone(), user.getEmail(), user.getBirthday(), user.getSex(), user.getStatus(), user.getCreateTime(), user.getUpdateTime(), roleNames, authorities);
+    }
+
+
     @Override
     public String getPassword() {
-        return "";
+        return this.password;
     }
 
     @Override
     public String getUsername() {
-        return "";
+        return this.username;
+    }
+
+    @Override
+    public boolean isAccountNonExpired() {
+        return true; // 视业务逻辑可改
+    }
+
+    @Override
+    public boolean isAccountNonLocked() {
+        return true;
+    }
+
+    @Override
+    public boolean isCredentialsNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return this.status != null && this.status == 1;
     }
 }
diff --git a/src/main/java/asia/yulinling/workflow/security/AuthEntryPoint.java b/src/main/java/asia/yulinling/workflow/security/AuthEntryPoint.java
new file mode 100644
index 0000000..cb72d43
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/security/AuthEntryPoint.java
@@ -0,0 +1,26 @@
+package asia.yulinling.workflow.security;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.AuthenticationEntryPoint;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+/**
+ * <p>
+ * 权限不足处理器
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@Component
+public class AuthEntryPoint implements AuthenticationEntryPoint {
+    @Override
+    public void commence(HttpServletRequest request, HttpServletResponse response,
+                         AuthenticationException authException) throws IOException {
+        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized: Missing or invalid token");
+    }
+}
diff --git a/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationFilter.java b/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationFilter.java
new file mode 100644
index 0000000..88e4bd4
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationFilter.java
@@ -0,0 +1,66 @@
+package asia.yulinling.workflow.security;
+
+import asia.yulinling.workflow.utils.JwtUtil;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.web.AuthenticationEntryPoint;
+import org.springframework.security.web.util.matcher.RequestMatcher;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import java.io.IOException;
+
+/**
+ * <p>
+ * Jwt登录拦截器
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@RequiredArgsConstructor
+@Slf4j
+public class JwtAuthenticationFilter extends OncePerRequestFilter {
+    private final JwtUtil jwtUtil;
+    private final AuthenticationEntryPoint authenticationEntryPoint;
+    private final RequestMatcher requestMatcher;
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request,
+                                    HttpServletResponse response,
+                                    FilterChain filterChain
+    )
+            throws ServletException, IOException {
+        log.info("{}", request.getRequestURI());
+        if (requestMatcher.matches(request)) {
+            log.info("{}", request.getRequestURI());
+            filterChain.doFilter(request, response);
+            return;
+        }
+        String header = request.getHeader("Authorization");
+        if (header == null || !header.startsWith("Bearer ")) {
+            String token = null;
+            if (header != null) {
+                token = header.substring(7);
+            }
+            if (jwtUtil.validateToken(token)) {
+                String username = jwtUtil.parseToken(token).getSubject();
+                String roles = jwtUtil.parseToken(token).get("roles").toString();
+                Authentication auth = new JwtAuthenticationToken(username, roles);
+                SecurityContextHolder.getContext().setAuthentication(auth);
+            } else {
+                authenticationEntryPoint.commence(request, response, new AuthenticationException("") {
+                });
+                return;
+            }
+        }
+
+        filterChain.doFilter(request, response);
+    }
+}
diff --git a/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationToken.java b/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationToken.java
new file mode 100644
index 0000000..62077e0
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/security/JwtAuthenticationToken.java
@@ -0,0 +1,37 @@
+package asia.yulinling.workflow.security;
+
+import org.springframework.security.authentication.AbstractAuthenticationToken;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+
+import java.util.Collections;
+
+/**
+ * <p>
+ * JWT认证
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+public class JwtAuthenticationToken extends AbstractAuthenticationToken {
+
+    private final String principal;
+    private final String role;
+
+    public JwtAuthenticationToken(String username, String role) {
+        super(Collections.singletonList(new SimpleGrantedAuthority("ROLE_" + role)));
+        this.principal = username;
+        this.role = role;
+        setAuthenticated(true);
+    }
+
+    @Override
+    public Object getPrincipal() {
+        return principal;
+    }
+
+    @Override
+    public Object getCredentials() {
+        return "";
+    }
+}
diff --git a/src/main/java/asia/yulinling/workflow/service/CustomerDetailsService.java b/src/main/java/asia/yulinling/workflow/service/CustomerDetailsService.java
new file mode 100644
index 0000000..24d979e
--- /dev/null
+++ b/src/main/java/asia/yulinling/workflow/service/CustomerDetailsService.java
@@ -0,0 +1,55 @@
+package asia.yulinling.workflow.service;
+
+import asia.yulinling.workflow.mapper.PermissionMapper;
+import asia.yulinling.workflow.mapper.RoleMapper;
+import asia.yulinling.workflow.mapper.UserMapper;
+import asia.yulinling.workflow.model.entity.Permission;
+import asia.yulinling.workflow.model.entity.Role;
+import asia.yulinling.workflow.model.entity.User;
+import asia.yulinling.workflow.model.vo.user.UserPrincipal;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.stereotype.Service;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * <p>
+ * 自定义UserDetail查询
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+@Service
+@RequiredArgsConstructor
+@Slf4j
+public class CustomerDetailsService implements UserDetailsService {
+    private final UserMapper userMapper;
+    private final RoleMapper roleMapper;
+    private final PermissionMapper permissionMapper;
+
+    @Override
+    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+        LambdaQueryWrapper<User> queryWrapper = Wrappers.lambdaQuery(User.class)
+                .eq(User::getUsername, username)
+                .or()
+                .eq(User::getEmail, username)
+                .or()
+                .eq(User::getPhone, username);
+
+        User user = userMapper.selectOne(queryWrapper);
+        List<Role> roles = roleMapper.selectByIds(Collections.singleton(user.getId()));
+        List<Long> roleIds = roles.stream().map(Role::getId).collect(Collectors.toList());
+        List<Permission> permissions = permissionMapper.selectByIds(roleIds);
+        return UserPrincipal.create(user, roles, permissions);
+    }
+}
+
diff --git a/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java b/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
index 125f94d..cbaed26 100644
--- a/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
+++ b/src/main/java/asia/yulinling/workflow/service/impl/UserServiceImpl.java
@@ -7,7 +7,7 @@ import asia.yulinling.workflow.dto.response.PageResult;
 import asia.yulinling.workflow.model.entity.User;
 import asia.yulinling.workflow.model.vo.user.UserVO;
 import asia.yulinling.workflow.service.UserService;
-import asia.yulinling.workflow.utils.PageUtils;
+import asia.yulinling.workflow.utils.PageUtil;
 import cn.hutool.core.util.ArrayUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import lombok.RequiredArgsConstructor;
@@ -74,7 +74,7 @@ public class UserServiceImpl implements UserService {
             }
 
         }
-        PageResult<UserVO> pageResult = PageUtils.buildPageResult(users, userVOList);
+        PageResult<UserVO> pageResult = PageUtil.buildPageResult(users, userVOList);
 
         return ApiResponse.ofSuccess(pageResult);
     }
diff --git a/src/main/java/asia/yulinling/workflow/utils/JwtUtil.java b/src/main/java/asia/yulinling/workflow/utils/JwtUtil.java
index ce552a6..59dd2ea 100644
--- a/src/main/java/asia/yulinling/workflow/utils/JwtUtil.java
+++ b/src/main/java/asia/yulinling/workflow/utils/JwtUtil.java
@@ -6,11 +6,12 @@ import io.jsonwebtoken.security.Keys;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
 import io.jsonwebtoken.*;
+import org.springframework.stereotype.Component;
 
+import java.nio.charset.StandardCharsets;
 import java.security.Key;
 import java.util.Collection;
 import java.util.Date;
@@ -25,8 +26,8 @@ import java.util.List;
  * @since 2025/6/11
  */
 @EnableConfigurationProperties(JwtConfig.class)
-@Configuration
 @RequiredArgsConstructor
+@Component
 @Slf4j
 public class JwtUtil {
     private final JwtConfig jwtConfig;
@@ -34,30 +35,35 @@ public class JwtUtil {
     /**
      * 创建JWT
      *
-     * @param rememberMe  记住我
-     * @param id          用户id
-     * @param subject     用户名
-     * @param roles       用户角色
-     * @param authorities 用户权限
+     * @param isRememberMe 记住我
+     * @param userId       用户id
+     * @param subject      用户名
+     * @param roles        用户角色
+     * @param authorities  用户权限
      * @return JWT
      */
-    public String createJWT(Boolean rememberMe, Long id, String subject, List<String> roles, Collection<? extends GrantedAuthority> authorities) {
+    public String generateToken(boolean isRememberMe, Long userId, String subject, List<String> roles, Collection<? extends GrantedAuthority> authorities) {
+        // 1. 构建签名密钥
+        Key key = getSigningKey();
+
+        // 2. 当前时间
         Date now = new Date();
 
-        Key key = Keys.hmacShaKeyFor(jwtConfig.getKey().getBytes());
+        // 3. 计算过期时间
+        long ttl = isRememberMe ? jwtConfig.getRemember() : jwtConfig.getTtl();
+        Date expiration = new Date(now.getTime() + ttl);
 
+        // 4. 构建 JWT
         JwtBuilder builder = Jwts.builder()
-                .setId(id.toString())
+                .setId(String.valueOf(userId))
                 .setSubject(subject)
                 .setIssuedAt(now)
-                .signWith(key)
+                .setExpiration(expiration)
                 .claim("roles", roles)
-                .claim("authorities", authorities);
-
-        // 设置过期时间
-        Long ttl = rememberMe ? jwtConfig.getRemember() : jwtConfig.getTtl();
-        builder.setExpiration(new Date(now.getTime() + ttl));
+                .claim("authorities", authorities)
+                .signWith(key);
 
+        // 5. 返回生成的 token 字符串
         return builder.compact();
     }
 
@@ -65,13 +71,13 @@ public class JwtUtil {
      * 创建JWT
      *
      * @param authentication 用户认证信息
-     * @param rememberMe     记住我
+     * @param isRememberMe   记住我
      * @return JWT
      */
-    public String createJWT(Authentication authentication, Boolean rememberMe) {
+    public String generateToken(Authentication authentication, Boolean isRememberMe) {
         UserPrincipal userPrincipal = (UserPrincipal) authentication.getPrincipal();
-        return createJWT(
-                rememberMe,
+        return generateToken(
+                isRememberMe,
                 userPrincipal.getId(),
                 userPrincipal.getUsername(),
                 userPrincipal.getRoles(),
@@ -79,25 +85,58 @@ public class JwtUtil {
         );
     }
 
-    public Claims parseJWT(String jwt) {
+    /**
+     * 解析Token
+     *
+     * @param token token信息
+     * @return 解析信息
+     */
+    public Claims parseToken(String token) {
         try {
-            // 1. 构建密钥
-            Key key = Keys.hmacShaKeyFor(jwtConfig.getKey().getBytes());
+            Key key = getSigningKey();
 
-            // 2. 使用 parserBuilder 构建解析器
-            Jws<Claims> jws = Jwts.parserBuilder()
+            return Jwts.parserBuilder()
                     .setSigningKey(key)
                     .build()
-                    .parseClaimsJws(jwt);
-
-            Claims claims = jws.getBody();
-            String id = claims.getId();
-            String username = claims.getSubject();
-
-            return claims;
+                    .parseClaimsJws(token)
+                    .getBody();
         } catch (ExpiredJwtException e) {
-            log.error("ExpiredJwtException", e);
-            throw new JwtException("ExpiredJwtException");
+            log.error("Token 已过期: {}", token, e);
+            throw new JwtException("Token 已过期", e);
+        } catch (JwtException e) {
+            log.error("Token 无效: {}", token, e);
+            throw new JwtException("Token 无效", e);
+        } catch (Exception e) {
+            log.error("Token 解析异常: {}", token, e);
+            throw new JwtException("Token 解析失败", e);
         }
     }
+
+    /**
+     * 校验Token
+     *
+     * @param token token信息
+     * @return true-token正确 false-token错误
+     */
+    public boolean validateToken(String token) {
+        try {
+            Jwts.parserBuilder().setSigningKey(getSigningKey()).build().parseClaimsJws(token);
+            return true;
+        } catch (JwtException e) {
+            return false;
+        }
+    }
+
+    /**
+     * 获取签名密钥
+     *
+     * @return 返回key
+     */
+    private Key getSigningKey() {
+        String secret = jwtConfig.getKey();
+        if (secret == null || secret.isEmpty()) {
+            throw new IllegalStateException("JWT 签名密钥未配置");
+        }
+        return Keys.hmacShaKeyFor(secret.getBytes(StandardCharsets.UTF_8));
+    }
 }
diff --git a/src/main/java/asia/yulinling/workflow/utils/PageUtils.java b/src/main/java/asia/yulinling/workflow/utils/PageUtil.java
similarity index 93%
rename from src/main/java/asia/yulinling/workflow/utils/PageUtils.java
rename to src/main/java/asia/yulinling/workflow/utils/PageUtil.java
index adfb9fb..07a2548 100644
--- a/src/main/java/asia/yulinling/workflow/utils/PageUtils.java
+++ b/src/main/java/asia/yulinling/workflow/utils/PageUtil.java
@@ -7,13 +7,13 @@ import java.util.List;
 
 /**
  * <p>
- *     分页工具类
+ * 分页工具类
  * </p>
  *
  * @author YLL
  * @since 2025/6/9
  */
-public class PageUtils {
+public class PageUtil {
     public static <T> PageResult<T> buildPageResult(IPage<?> iPage, List<T> list) {
         PageResult<T> result = new PageResult<>();
 
@@ -26,7 +26,7 @@ public class PageUtils {
         // 可选字段
         int navigatePages = 5;
         result.setNavigatePages(navigatePages);
-        result.setNavigatePageNums(calculateNavigatePageNumbers((int) iPage.getCurrent(), (int)iPage.getPages(), navigatePages));
+        result.setNavigatePageNums(calculateNavigatePageNumbers((int) iPage.getCurrent(), (int) iPage.getPages(), navigatePages));
 
         result.setHasNext(iPage.getCurrent() < iPage.getPages());
         result.setHasPrev(iPage.getCurrent() > 1);
@@ -36,7 +36,7 @@ public class PageUtils {
         result.setFrom((int) ((iPage.getCurrent() - 1) * iPage.getSize() + 1));
         result.setTo((int) (Math.min(iPage.getCurrent() * iPage.getSize(), iPage.getTotal())));
 
-        return  result;
+        return result;
     }
 
     private static int[] calculateNavigatePageNumbers(int currentPage, int totalPage, int navigatePages) {
diff --git a/src/main/resources/db/data.sql b/src/main/resources/db/data.sql
index cd95de0..e929152 100644
--- a/src/main/resources/db/data.sql
+++ b/src/main/resources/db/data.sql
@@ -46,14 +46,13 @@ COMMIT;
 BEGIN;
 
 INSERT INTO `wk_user` (
-    id, username, nickname, password, salt, email, birthday, sex, phone, status,
+    id, username, nickname, password, email, birthday, sex, phone, status,
     create_time, update_time, last_login_time
 ) VALUES (
              1072806377661009920,
              'admin',
              '管理员',
              'ff342e862e7c3285cdc07e56d6b8973b',
-             '412365a109674b2dbb1981ed561a4c70',
              'admin@xkcoding.com',
              '1994-11-28 00:00:00',  -- birthday: 785433600000 → 1994-11-28
              1,
@@ -65,14 +64,13 @@ INSERT INTO `wk_user` (
          );
 
 INSERT INTO `wk_user` (
-    id, username, nickname, password, salt, email, birthday, sex, phone, status,
+    id, username, nickname, password, email, birthday, sex, phone, status,
     create_time, update_time, last_login_time
 ) VALUES (
              1072806378780889088,
              'user',
              '普通用户',
              '6c6bf02c8d5d3d128f34b1700cb1e32c',
-             'fcbdd0e8a9404a5585ea4e01d0e4d7a0',
              'user@xkcoding.com',
              '1994-11-28 00:00:00',  -- birthday: 785433600000 → 1994-11-28
              1,
diff --git a/src/test/java/asia/yulinling/workflow/mapper/UserMapperTest.java b/src/test/java/asia/yulinling/workflow/mapper/UserMapperTest.java
index 3251ab3..3af8861 100644
--- a/src/test/java/asia/yulinling/workflow/mapper/UserMapperTest.java
+++ b/src/test/java/asia/yulinling/workflow/mapper/UserMapperTest.java
@@ -59,7 +59,6 @@ public class UserMapperTest {
         User user = User.builder()
                 .username("yulinling_test")
                 .password(SecureUtil.md5("123456" + salt))
-                .salt(salt)
                 .email("2712495353@qq.com")
                 .phone("17770898274")
                 .status(1)
diff --git a/src/test/java/asia/yulinling/workflow/utils/JwtUtilTest.java b/src/test/java/asia/yulinling/workflow/utils/JwtUtilTest.java
new file mode 100644
index 0000000..2f1e869
--- /dev/null
+++ b/src/test/java/asia/yulinling/workflow/utils/JwtUtilTest.java
@@ -0,0 +1,109 @@
+package asia.yulinling.workflow.utils;
+
+import asia.yulinling.workflow.config.JwtConfig;
+import io.jsonwebtoken.Claims;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * <p>
+ * Jwt工具类测试
+ * </p>
+ *
+ * @author YLL
+ * @since 2025/6/13
+ */
+class JwtUtilTest {
+    private JwtUtil jwtUtil;
+
+    @BeforeEach
+    void setUp() {
+        // 构造 JwtConfig 模拟配置
+        JwtConfig config = new JwtConfig();
+        config.setKey("your-256-bit-secret-key-which-needs-to-be-long-enough"); // 至少256位bit
+        config.setTtl(3600000L); // 1小时
+        config.setRemember(604800000L); // 7天
+
+        jwtUtil = new JwtUtil(config);
+    }
+
+    @Test
+    void testGenerateTokenAndParseToken() {
+        Long userId = 123L;
+        String username = "test_user";
+        List<String> roles = List.of("USER", "ADMIN");
+        List<SimpleGrantedAuthority> authorities = List.of(new SimpleGrantedAuthority("ROLE_USER"));
+
+        String token = jwtUtil.generateToken(false, userId, username, roles, authorities);
+        assertNotNull(token);
+
+        Claims claims = jwtUtil.parseToken(token);
+        assertEquals(userId.toString(), claims.getId());
+        assertEquals(username, claims.getSubject());
+        assertEquals(roles, claims.get("roles", List.class));
+    }
+
+    @Test
+    void testValidateToken() {
+        String token = jwtUtil.generateToken(false, 1L, "valid_user", List.of("USER"), List.of());
+        assertTrue(jwtUtil.validateToken(token));
+    }
+
+    @Test
+    void testValidateToken2() {
+        String invalidToken = "this.is.not.valid.jwt";
+        assertFalse(jwtUtil.validateToken(invalidToken));
+    }
+
+    @Test
+    void testGenerateTokenFromAuthentication() {
+        UsernamePasswordAuthenticationToken authentication =
+                new UsernamePasswordAuthenticationToken(
+                        new MockUserPrincipal(100L, "admin", List.of("ADMIN")),
+                        null,
+                        List.of(new SimpleGrantedAuthority("ROLE_ADMIN"))
+                );
+
+        String token = jwtUtil.generateToken(authentication, false);
+        assertNotNull(token);
+
+        Claims claims = jwtUtil.parseToken(token);
+        assertEquals("admin", claims.getSubject());
+        assertEquals("100", claims.getId());
+    }
+
+    // Mock UserPrincipal 用于测试
+    static class MockUserPrincipal extends asia.yulinling.workflow.model.vo.user.UserPrincipal {
+        private final Long id;
+        private final String username;
+        private final List<String> roles;
+
+        public MockUserPrincipal(Long id, String username, List<String> roles) {
+            super(); // 假设父类有默认构造函数
+            this.id = id;
+            this.username = username;
+            this.roles = roles;
+        }
+
+        @Override
+        public Long getId() {
+            return id;
+        }
+
+        @Override
+        public String getUsername() {
+            return username;
+        }
+
+        @Override
+        public List<String> getRoles() {
+            return roles;
+        }
+    }
+}