diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
index fce63b11e..062b1b59e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
@@ -36,6 +36,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * 用户 业务层处理
@@ -598,13 +599,15 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
      */
     @Override
     public String selectNicknameByIds(String userIds) {
-        List<String> list = new ArrayList<>();
-        for (Long id : StringUtils.splitTo(userIds, Convert::toLong)) {
-            String nickname = SpringUtils.getAopProxy(this).selectNicknameById(id);
-            if (StringUtils.isNotBlank(nickname)) {
-                list.add(nickname);
-            }
+        List<Long> ids = StringUtils.splitTo(userIds, Convert::toLong);
+        if (CollUtil.isEmpty(ids)) {
+            return StringUtils.EMPTY;
         }
+        Map<Long, String> nickMap = selectUserNicksByIds(ids);
+        List<String> list = ids.stream()
+            .map(nickMap::get)
+            .filter(StringUtils::isNotBlank)
+            .collect(Collectors.toList());
         return StringUtils.joinComma(list);
     }