diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/LJUserService.java b/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/LJUserService.java
index 7ef6b53ce..bee8e7235 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/LJUserService.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/LJUserService.java
@@ -28,6 +28,12 @@ public interface LJUserService extends IService<LJUser> {
      */
     LJUser selectUserByUserId();
 
+    /**
+     * 根据id查询用户信息
+     * @return
+     */
+    LJUser queryUserByUserId(int userId);
+
     /**
      *
      * @return
diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/impl/LJUserServiceImpl.java b/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/impl/LJUserServiceImpl.java
index 51778de96..dba8449e9 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/impl/LJUserServiceImpl.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/business/userManager/service/impl/LJUserServiceImpl.java
@@ -69,6 +69,11 @@ public class LJUserServiceImpl extends ServiceImpl<LJUserMapper, LJUser> impleme
         return baseMapper.selectById(nowAccountInfo.getId());
     }
 
+    @Override
+    public LJUser queryUserByUserId(int userId) {
+        return baseMapper.selectById(userId);
+    }
+
     @Override
     public LJUser queryUserByUserId() {
         return null;