diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
index 9afd0c74a..b5289050b 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
@@ -1125,10 +1125,10 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl<BussDocumentLi
                 + " from oss_file of join buss_document_library bdl" + join.toString();
 
         //查询条件
-        StringBuilder conditionSb = new StringBuilder("where 1 = 1");
+        StringBuilder conditionSb = new StringBuilder("where 1 = 1 and of.file_name like '%.pdf%'");
 
         //编码
-        String serialNumber = (String) parameter.get("serialNumber");
+        String serialNumber = (String) parameter.get("serial_number");
 
         //标题
         String title = (String) parameter.get("title");