diff --git a/backend/src/main/java/io/metersphere/commons/constants/FileType.java b/backend/src/main/java/io/metersphere/commons/constants/FileType.java
index 8f74000499..7fba285277 100644
--- a/backend/src/main/java/io/metersphere/commons/constants/FileType.java
+++ b/backend/src/main/java/io/metersphere/commons/constants/FileType.java
@@ -4,7 +4,9 @@ public enum FileType {
     JMX(".jmx"), CSV(".csv"), JSON(".json"), PDF(".pdf"),
     JPG(".jpg"), PNG(".png"), JPEG(".jpeg"), DOC(".doc"),
     XLSX(".xlsx"), DOCX(".docx"), JAR(".jar"), JS(".js"), TXT(".txt"),
-    P12("p12"),JKS("jks"),PFX("pfx");
+    P12(".p12"), JKS(".jks"), PFX(".pfx"),
+    DER(".der"), CER(".cer"), PEM(".pem"), CRT(".crt"),
+    ;
 
     // 保存后缀
     private String suffix;