diff --git a/user-service/user-service-application/src/main/java/com/example/user/service/application/service/UserLoginService.java b/user-service/user-service-application/src/main/java/com/example/user/service/application/service/UserLoginService.java
index 42402695584795cd646ce7f6a299db36bd7700d4..9187d83c89d8d701ffb6be57fadb1f412ed2bd2c 100644
--- a/user-service/user-service-application/src/main/java/com/example/user/service/application/service/UserLoginService.java
+++ b/user-service/user-service-application/src/main/java/com/example/user/service/application/service/UserLoginService.java
@@ -1,9 +1,11 @@
+// user-service-application/src/main/java/com/example/user/application/service/UserLoginService.java
 package com.example.user.service.application.service;
 
 import com.example.user.service.application.command.UserLoginCommand;
 import com.example.user.service.application.port.in.UserLoginUseCase;
 import com.example.user.service.domain.User;
 import com.example.user.service.domain.port.GetUserByNamePort;
+import com.example.user.service.common.JwtUtil;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -15,23 +17,22 @@ public class UserLoginService implements UserLoginUseCase {
     @Resource
     private GetUserByNamePort getUserByNamePort;
 
+    @Resource
+    private JwtUtil jwtUtil;
+
     @Override
     public String login(UserLoginCommand userLoginCommand) {
-        //验证用户
         User user = User.getUserByName(userLoginCommand.name(), getUserByNamePort);
         log.info("user:{}", user);
-        if(user==null){
+        if(user == null){
             throw new RuntimeException("用户不存在");
         }
-        //验证密码
         if(!user.validatePassword(userLoginCommand.password())){
             throw new RuntimeException("密码错误");
         }
-        //签发token
-        /*
-        todo 封装一个JwtUtil实现jwt签发
-        token 有效期 5min ,key=123456 ,载荷：{name:user.name,id:user.id,is_super}
-         */
-        return "token";
+       return jwtUtil.generateToken(
+               user.getName().getValue(),
+               user.getId().getValue());
+
     }
-}
+}
\ No newline at end of file
diff --git a/user-service/user-service-bootstrap/src/main/resources/application.properties b/user-service/user-service-bootstrap/src/main/resources/application.properties
index e21f2d53a0095bf9cb21dd0512b3d9844ce3630c..ef6c11a480787e47bee2a30c91fa7370925449ee 100644
--- a/user-service/user-service-bootstrap/src/main/resources/application.properties
+++ b/user-service/user-service-bootstrap/src/main/resources/application.properties
@@ -22,3 +22,8 @@ spring.cloud.nacos.config.server-addr=192.168.168.128:8848
 # spring.cloud.nacos.config.namespace=
 spring.config.import=nacos:${spring.application.name}.properties?refresh=true
 
+#jwt
+# ?????????????
+jwt.secret=6f4b4d7a9c2e1b8f3a5d6e7c8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b
+jwt.expiration= 300000
+ # 5min= 300000
\ No newline at end of file
diff --git a/user-service/user-service-common/pom.xml b/user-service/user-service-common/pom.xml
index a198ef344cf3a0a5610b45ce5633040b2e88222a..f5b652b7b2f90e8f3d405214652708f51e8b521b 100644
--- a/user-service/user-service-common/pom.xml
+++ b/user-service/user-service-common/pom.xml
@@ -24,6 +24,24 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!--jwt token依赖 -->
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-api</artifactId>
+            <version>0.11.5</version>
+        </dependency>
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-impl</artifactId>
+            <version>0.11.5</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-jackson</artifactId>
+            <version>0.11.5</version>
+            <scope>runtime</scope>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>
diff --git a/user-service/user-service-common/src/main/java/com/example/user/service/common/JwtUtil.java b/user-service/user-service-common/src/main/java/com/example/user/service/common/JwtUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..dfe88a2792f387cf8cb3458d63903cea57ffbc04
--- /dev/null
+++ b/user-service/user-service-common/src/main/java/com/example/user/service/common/JwtUtil.java
@@ -0,0 +1,79 @@
+// JwtUtil.java - 完全不依赖Lombok
+package com.example.user.service.common;
+
+import com.example.user.service.common.config.JwtConfig;
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import io.jsonwebtoken.security.Keys;
+import org.springframework.stereotype.Component;
+
+import javax.crypto.SecretKey;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+@Component
+public class JwtUtil {
+
+    private final JwtConfig jwtConfig;
+
+    // 通过构造函数注入配置
+    public JwtUtil(JwtConfig jwtConfig) {
+        this.jwtConfig = jwtConfig;
+    }
+
+    public String generateToken(String username, Long userId) {
+        SecretKey key = Keys.hmacShaKeyFor(jwtConfig.getSecret().getBytes());
+
+        Map<String, Object> claims = new HashMap<>();
+        claims.put("name", username);
+        claims.put("id", userId);
+
+        return Jwts.builder()
+                .setClaims(claims)
+                .setSubject(username)
+                .setIssuedAt(new Date())
+                .setExpiration(new Date(System.currentTimeMillis() + jwtConfig.getExpiration()))
+                .signWith(key, SignatureAlgorithm.HS256)
+                .compact();
+    }
+
+    // 其他方法保持不变...
+    public boolean validateToken(String token) {
+        try {
+            SecretKey key = Keys.hmacShaKeyFor(jwtConfig.getSecret().getBytes());
+            Jwts.parserBuilder()
+                    .setSigningKey(key)
+                    .build()
+                    .parseClaimsJws(token);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    public String getUsernameFromToken(String token) {
+        Claims claims = getClaimsFromToken(token);
+        return claims.getSubject();
+    }
+
+    public Long getUserIdFromToken(String token) {
+        Claims claims = getClaimsFromToken(token);
+        return claims.get("id", Long.class);
+    }
+
+    public Boolean getIsSuperFromToken(String token) {
+        Claims claims = getClaimsFromToken(token);
+        return claims.get("is_super", Boolean.class);
+    }
+
+    private Claims getClaimsFromToken(String token) {
+        SecretKey key = Keys.hmacShaKeyFor(jwtConfig.getSecret().getBytes());
+        return Jwts.parserBuilder()
+                .setSigningKey(key)
+                .build()
+                .parseClaimsJws(token)
+                .getBody();
+    }
+}
\ No newline at end of file
diff --git a/user-service/user-service-common/src/main/java/com/example/user/service/common/config/JwtConfig.java b/user-service/user-service-common/src/main/java/com/example/user/service/common/config/JwtConfig.java
new file mode 100644
index 0000000000000000000000000000000000000000..5abf081c54efdcdabf40648e8d50572cc94d5489
--- /dev/null
+++ b/user-service/user-service-common/src/main/java/com/example/user/service/common/config/JwtConfig.java
@@ -0,0 +1,29 @@
+// JwtConfig.java - 手动实现getter/setter
+package com.example.user.service.common.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ConfigurationProperties(prefix = "jwt")
+public class JwtConfig {
+    private String secret;
+    private long expiration;
+
+    // 手动实现getter和setter
+    public String getSecret() {
+        return secret;
+    }
+
+    public void setSecret(String secret) {
+        this.secret = secret;
+    }
+
+    public long getExpiration() {
+        return expiration;
+    }
+
+    public void setExpiration(long expiration) {
+        this.expiration = expiration;
+    }
+}
\ No newline at end of file