diff --git a/server/src/main/java/cn/keking/utils/KkFileUtils.java b/server/src/main/java/cn/keking/utils/KkFileUtils.java
index aa7a8bfe..b4785565 100644
--- a/server/src/main/java/cn/keking/utils/KkFileUtils.java
+++ b/server/src/main/java/cn/keking/utils/KkFileUtils.java
@@ -1,7 +1,9 @@
 package cn.keking.utils;
 
+import cn.keking.config.ConfigConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 import org.springframework.web.util.HtmlUtils;
 
@@ -174,4 +176,19 @@ public class KkFileUtils {
         return true;
     }
 
+    /**
+     * 判断文件是否允许上传
+     *
+     * @param file 文件扩展名
+     * @return 是否允许上传
+     */
+    public static boolean isAllowedUpload(String file) {
+        String fileType = suffixFromFileName(file);
+            for (String type : ConfigConstants.getprohibit()) {
+            if (type.equals(fileType))
+                return false;
+        }
+        return !ObjectUtils.isEmpty(fileType);
+    }
+
 }