diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssTextbookServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssTextbookServiceImpl.java
index e9a52ae..08fa0b8 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssTextbookServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssTextbookServiceImpl.java
@@ -80,7 +80,7 @@ public class SysOssTextbookServiceImpl implements ISysOssTextbookService {
         wrapper.le("ot.status", 0)
             .eq(StringUtils.isNotEmpty(bo.getFileSuffix()), "ot.file_suffix", bo.getFileSuffix())
             .like(StringUtils.isNotEmpty(bo.getFileName()), "ot.file_name", bo.getFileName())
-            .and(ObjectUtil.isNotNull(bo.getFormatSuffix()), w -> {
+            .and(ObjectUtil.isNotNull(bo.getCatalogId()), w -> {
                 List<SysCatalogTextbook> list = catalogService.selectList(new LambdaQueryWrapper<SysCatalogTextbook>()
                     .select(SysCatalogTextbook::getCatalogId)
                     .apply(DataBaseHelper.findInSet(bo.getCatalogId(), "ancestors")));
@@ -111,7 +111,7 @@ public class SysOssTextbookServiceImpl implements ISysOssTextbookService {
             .eq(ObjectUtil.isNotNull(bo.getStatus()), "ot.status", bo.getStatus())
             .eq(StringUtils.isNotEmpty(bo.getFileSuffix()), "ot.file_suffix", bo.getFileSuffix())
             .like(StringUtils.isNotEmpty(bo.getFileName()), "ot.file_name", bo.getFileName())
-            .and(ObjectUtil.isNotNull(bo.getCatalogId()), w -> {
+            .and(ObjectUtil.isNotNull(bo.getFormatSuffix()), w -> {
                 Integer format = bo.getFormatSuffix();
                 List<String> list = processFormatSuffixQuery(format);
                 if (7 == format) {