正文乱码fix

community-service/src/main/java/com/tanpu/community/service/CollectionService.java

@@ -12,10 +12,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
 import java.time.LocalDateTime;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @Service
@@ -62,6 +59,9 @@ public class CollectionService {
 
     //根据用户、主题、类型查询未删除对象
     public Set<String> getTargets(List<String> targetIds, String userId, CollectionTypeEnum type) {
+        if (CollectionUtils.isEmpty(targetIds)){
+            return new HashSet<>();
+        }
         LambdaQueryWrapper<CollectionEntity> queryWrapper = new LambdaQueryWrapper<CollectionEntity>()
                 .eq(CollectionEntity::getCollectionType, type.getCode())
                 .eq(CollectionEntity::getUserId, userId)