diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/filter/FileTypeFilter.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/filter/FileTypeFilter.java
index 03da12f4..e281fcf8 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/filter/FileTypeFilter.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/filter/FileTypeFilter.java
@@ -14,6 +14,10 @@ import java.util.Iterator;
  */
 public class FileTypeFilter {
 
+    private FileTypeFilter(){
+
+    }
+
     //文件后缀
     private static String[] forbidType = {"jsp","php"};
 
@@ -113,7 +117,6 @@ public class FileTypeFilter {
         String fileExtendName = null;
         InputStream is;
         try {
-            //is = new FileInputStream(file);
             is = file.getInputStream();
             byte[] b = new byte[10];
             is.read(b, 0, b.length);