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 e1fcb3256..bcfd01f88 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
@@ -39,7 +39,7 @@ public class MimeTypeUtils {
 			// pdf
 			"pdf",
 			// 固件格式
-			"bin", "hex"
+			"bin", "hex", "icl"
 	};
 
 	public static String getExtension(String prefix) {