diff --git a/pqs-common/common-oss/src/main/java/com/njcn/oss/utils/FileStorageUtil.java b/pqs-common/common-oss/src/main/java/com/njcn/oss/utils/FileStorageUtil.java
index 24b1a2183..b54f2181d 100644
--- a/pqs-common/common-oss/src/main/java/com/njcn/oss/utils/FileStorageUtil.java
+++ b/pqs-common/common-oss/src/main/java/com/njcn/oss/utils/FileStorageUtil.java
@@ -20,7 +20,6 @@ import org.springframework.web.multipart.MultipartFile;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletResponse;
 import java.io.BufferedOutputStream;
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.Optional;
@@ -218,7 +217,7 @@ public class FileStorageUtil {
                 break;
             case "pdf":
                 response.setContentType("application/pdf");
-                response.setHeader("Content-Disposition", "attachment;filename=" + filePath);
+                response.setHeader("Content-Disposition", "inline;attachment;filename=" + filePath);
                 break;
             default:
                 response.setContentType("application/octet-stream;charset=UTF-8");