diff --git a/smart-http-server/src/main/java/org/smartboot/http/server/decode/MultipartFormDecoder.java b/smart-http-server/src/main/java/org/smartboot/http/server/decode/MultipartFormDecoder.java
index 2d4b17757fb20b036c3ff9c7c8a189e737934803..052f1a4ebd0209d4ad0f9828391d7381dd308467 100644
--- a/smart-http-server/src/main/java/org/smartboot/http/server/decode/MultipartFormDecoder.java
+++ b/smart-http-server/src/main/java/org/smartboot/http/server/decode/MultipartFormDecoder.java
@@ -114,7 +114,7 @@ public class MultipartFormDecoder {
                 }
                 //todo:System.out.println("headerName: " + name.getStringValue());
                 currentPart.setHeaderTemp(name.getStringValue());
-                if (HeaderNameEnum.CONTENT_DISPOSITION.getName().equals(name.getStringValue())) {
+                if (HeaderNameEnum.CONTENT_DISPOSITION.getName().equalsIgnoreCase(name.getStringValue())) {
                     state = STATE_CONTENT_DISPOSITION_DECODER;
                 } else {
                     state = STATE_PART_HEADER_VALUE;