diff --git a/jsowell-common/src/main/java/com/jsowell/common/util/file/FtpUtils.java b/jsowell-common/src/main/java/com/jsowell/common/util/file/FtpUtils.java
index 4e5eb7775..5bf50121a 100644
--- a/jsowell-common/src/main/java/com/jsowell/common/util/file/FtpUtils.java
+++ b/jsowell-common/src/main/java/com/jsowell/common/util/file/FtpUtils.java
@@ -4,15 +4,10 @@ package com.jsowell.common.util.file;
 import com.jsowell.common.config.FtpConfig;
 import com.jsowell.common.exception.file.FileSizeLimitExceededException;
 import com.jsowell.common.exception.file.InvalidExtensionException;
-
-
-import com.jsowell.common.util.ServletUtils;
 import com.jsowell.common.util.StringUtils;
-import com.jsowell.common.util.id.IdUtils;
 import com.jsowell.common.util.ip.IpUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.FilenameUtils;
-
 import org.apache.commons.net.ftp.FTPClient;
 import org.apache.commons.net.ftp.FTPReply;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -222,7 +217,7 @@ public class FtpUtils {
         String fileName = file.getOriginalFilename();
         String extension = getExtension(file);
         if (!isAllowedExtension(extension)) {
-            throw new InvalidExtensionException.InvalidImageExtensionException(MimeTypeUtils.IMAGE_EXTENSION, extension,
+            throw new InvalidExtensionException.InvalidImageExtensionException(MimeTypeUtils.FIRMWARE_EXTENSION, extension,
                     fileName);
         }
     }
diff --git a/jsowell-common/src/main/java/com/jsowell/common/util/file/MimeTypeUtils.java b/jsowell-common/src/main/java/com/jsowell/common/util/file/MimeTypeUtils.java
index bcfd01f88..db6b3b70c 100644
--- a/jsowell-common/src/main/java/com/jsowell/common/util/file/MimeTypeUtils.java
+++ b/jsowell-common/src/main/java/com/jsowell/common/util/file/MimeTypeUtils.java
@@ -25,7 +25,7 @@ public class MimeTypeUtils {
 
 	public static final String[] VIDEO_EXTENSION = {"mp4", "avi", "rmvb"};
 
-	public static final String[] FIRMWARE_EXTENSION = {"bin", "hex"};
+	public static final String[] FIRMWARE_EXTENSION = {"bin", "hex", "icl"};
 
 	public static final String[] DEFAULT_ALLOWED_EXTENSION = {
 			// 图片