diff --git a/tduck-account/src/main/java/com/tduck/cloud/account/util/JwtUtils.java b/tduck-account/src/main/java/com/tduck/cloud/account/util/JwtUtils.java
index 6bcfec0..6ec2e97 100644
--- a/tduck-account/src/main/java/com/tduck/cloud/account/util/JwtUtils.java
+++ b/tduck-account/src/main/java/com/tduck/cloud/account/util/JwtUtils.java
@@ -1,5 +1,6 @@
 package com.tduck.cloud.account.util;
 
+import com.tduck.cloud.common.constant.CommonConstants;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
@@ -8,6 +9,8 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.stereotype.Component;
 
 import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * jwt工具类
@@ -30,10 +33,11 @@ public class JwtUtils {
         Date nowDate = new Date();
         //过期时间
         Date expireDate = new Date(nowDate.getTime() + expire * 1000);
-
+        Map<String,Object> map = new HashMap<>();
+        map.put(CommonConstants.JWT_KEY_USER_ID,userId);
         return Jwts.builder()
                 .setHeaderParam("typ", "JWT")
-                .setSubject(userId)
+                .setClaims(map)
                 .setIssuedAt(nowDate)
                 .setExpiration(expireDate)
                 .signWith(SignatureAlgorithm.HS512, secret)
diff --git a/tduck-api/src/main/java/com/tduck/cloud/api/web/interceptor/AuthorizationInterceptor.java b/tduck-api/src/main/java/com/tduck/cloud/api/web/interceptor/AuthorizationInterceptor.java
index c37516c..ca761f0 100644
--- a/tduck-api/src/main/java/com/tduck/cloud/api/web/interceptor/AuthorizationInterceptor.java
+++ b/tduck-api/src/main/java/com/tduck/cloud/api/web/interceptor/AuthorizationInterceptor.java
@@ -4,6 +4,7 @@ import cn.hutool.core.util.StrUtil;
 import com.tduck.cloud.account.util.JwtUtils;
 import com.tduck.cloud.api.annotation.Login;
 import com.tduck.cloud.api.exception.AuthorizationException;
+import com.tduck.cloud.common.constant.CommonConstants;
 import io.jsonwebtoken.Claims;
 import org.springframework.stereotype.Component;
 import org.springframework.web.method.HandlerMethod;
@@ -54,7 +55,7 @@ public class AuthorizationInterceptor extends HandlerInterceptorAdapter {
         }
 
         //设置userId到request里，后续根据userId，获取用户信息
-        String userId = (String) claims.get("userId");
+        String userId = (String) claims.get(CommonConstants.JWT_KEY_USER_ID);
         request.setAttribute(USER_KEY, userId);
 
         return true;
diff --git a/tduck-common/src/main/java/com/tduck/cloud/common/constant/CommonConstants.java b/tduck-common/src/main/java/com/tduck/cloud/common/constant/CommonConstants.java
index 9f4637f..3aa2de3 100644
--- a/tduck-common/src/main/java/com/tduck/cloud/common/constant/CommonConstants.java
+++ b/tduck-common/src/main/java/com/tduck/cloud/common/constant/CommonConstants.java
@@ -21,6 +21,10 @@ public interface CommonConstants {
      * 文件下载content_type
      */
     String FILE_DOWNLOAD_CONTENT_TYPE = "application/octet-stream;charset=UTF-8";
+    /**
+     * jwt userID key
+     */
+    String JWT_KEY_USER_ID = "userId";
 
 
     /**