BUGFIX:删除library元素时没有将brand中关联的数据删除，导致出现空指针

src/main/java/com/ai/da/service/impl/AccountServiceImpl.java

@@ -2478,6 +2478,7 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
         if (returnCredits && unusedCreditsTotal.compareTo(BigDecimal.ZERO) != 0){
             BigDecimal subtracted = adminAcc.getCreditsUsage().subtract(unusedCreditsTotal);
             adminAcc.setCreditsUsage(subtracted.compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : subtracted);
+            adminAcc.setCredits(adminAcc.getCreditsUsageLimit().subtract(adminAcc.getCreditsUsage()));
             adminAcc.setUpdateDate(new Date());
             baseMapper.updateById(adminAcc);
         }

src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java

@@ -554,6 +554,12 @@ public class LibraryServiceImpl extends ServiceImpl<LibraryMapper, Library> impl
                     deleteDTO.getTimeZone()
             );
         }
+
+        // 判断当前libraryId是否被brand_rel_library引用
+        QueryWrapper<BrandRelLibrary> brandRelLibraryQueryWrapper = new QueryWrapper<>();
+        brandRelLibraryQueryWrapper.lambda().in(BrandRelLibrary::getLibraryId, deleteDTO.getLibraryIds());
+
+        brandRelLibraryMapper.delete(brandRelLibraryQueryWrapper);
 //        for (Library library : librarys) {
 //            if (library.getUrl().startsWith(sysImage)) {
 //                continue;

src/main/java/com/ai/da/service/impl/ProductImageServiceImpl.java

@@ -22,11 +22,11 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Async;
-import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
 import java.util.stream.Collectors;
@@ -71,6 +71,9 @@ public class ProductImageServiceImpl implements ProductImageService {
             int current = 0;
             for (Long libraryId : libraryIds) {
                 Library library = libraryMapper.selectById(libraryId);
+                if (Objects.isNull(library)){
+                    continue;
+                }
                 String url = library.getUrl();
 
                 QueryWrapper<ProductImageAttribute> qw = new QueryWrapper<>();