diff --git a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
index a3c1840..e4ab164 100644
--- a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
+++ b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
@@ -58,7 +58,7 @@ public class WebFileController {
             liteSaasContext = contextInfo.lite();
         }
         String filename = file.getOriginalFilename();
-        BizException.error(filename.length() > FILE_NAME_MAX_LENGTH, FILE_NAME_TOO_LONG);
+        BizException.error(filename.length() < FILE_NAME_MAX_LENGTH, FILE_NAME_TOO_LONG);
         ServerFileUploadDto fileUploadDto = ServerFileUploadDto.builder()
                 .appCode(appCode)
                 .bizScene(bizScene)
@@ -84,7 +84,7 @@ public class WebFileController {
             liteSaasContext = contextInfo.lite();
         }
         String filename = file.getOriginalFilename();
-        BizException.error(filename.length() > FILE_NAME_MAX_LENGTH, FILE_NAME_TOO_LONG);
+        BizException.error(filename.length() < FILE_NAME_MAX_LENGTH, FILE_NAME_TOO_LONG);
         ServerFileUploadDto fileUploadDto = ServerFileUploadDto.builder()
                 .appCode(appCode)
                 .bizScene(bizScene)