diff --git a/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/file/FileInfo.java b/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/file/FileInfo.java
index b012d68a..e4422469 100644
--- a/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/file/FileInfo.java
+++ b/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/file/FileInfo.java
@@ -3,6 +3,7 @@ package org.jetlinks.community.io.file;
 import lombok.Getter;
 import lombok.Setter;
 import org.apache.commons.io.FilenameUtils;
+import org.jetlinks.community.io.utils.FileUtils;
 import org.springframework.http.MediaType;
 import org.springframework.util.StringUtils;
 
@@ -42,48 +43,27 @@ public class FileInfo {
         if (!apiBashPath.endsWith("/")) {
             apiBashPath = apiBashPath + "/";
         }
-        accessUrl = apiBashPath + "file/" + id + "?accessKey=" + accessKey().orElse("");
+        accessUrl = apiBashPath + "file/" + id + "." + extension + "?accessKey=" + accessKey().orElse("");
     }
 
 
     public MediaType mediaType() {
-        if (!StringUtils.hasText(extension)) {
-            return MediaType.APPLICATION_OCTET_STREAM;
-        }
-        switch (extension.toLowerCase()) {
-            case "jpg":
-            case "jpeg":
-                return MediaType.IMAGE_JPEG;
-            case "png":
-                return MediaType.IMAGE_PNG;
-            case "gif":
-                return MediaType.IMAGE_GIF;
-            case "mp4":
-                return MediaType.parseMediaType("video/mp4");
-            case "flv":
-                return MediaType.parseMediaType("video/x-flv");
-            case "text":
-            case "txt":
-                return MediaType.TEXT_PLAIN;
-            case "js":
-                return MediaType.APPLICATION_JSON;
-            default:
-                return MediaType.APPLICATION_OCTET_STREAM;
-        }
+        return FileUtils.getMediaTypeByExtension(extension);
     }
 
 
-    public boolean hasOption(FileOption option){
-        if(options==null){
+    public boolean hasOption(FileOption option) {
+        if (options == null) {
             return false;
         }
         for (FileOption fileOption : options) {
-            if(fileOption==option){
+            if (fileOption == option) {
                 return true;
             }
         }
         return false;
     }
+
     public FileInfo withFileName(String fileName) {
         name = fileName;
         extension = FilenameUtils.getExtension(fileName);
diff --git a/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/utils/FileUtils.java b/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/utils/FileUtils.java
index dcb4e670..5239de82 100644
--- a/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/utils/FileUtils.java
+++ b/jetlinks-components/io-component/src/main/java/org/jetlinks/community/io/utils/FileUtils.java
@@ -48,6 +48,13 @@ public class FileUtils {
         return getMediaTypeByExtension(FilenameUtils.getExtension(name));
     }
 
+
+    /**
+     * 根据文件拓展名获取MediaType
+     *
+     * @param extension extension
+     * @return MediaType
+     */
     public static MediaType getMediaTypeByExtension(String extension) {
         if (!StringUtils.hasText(extension)) {
             return MediaType.APPLICATION_OCTET_STREAM;
@@ -60,6 +67,13 @@ public class FileUtils {
                 return MediaType.IMAGE_PNG;
             case "gif":
                 return MediaType.IMAGE_GIF;
+            case "svg":
+                return MediaType.parseMediaType("image/svg+xml");
+            case "tiff":
+            case "tif":
+                return MediaType.parseMediaType("image/tiff");
+            case "webp":
+                return MediaType.parseMediaType("image/webp");
             case "mp4":
                 return MediaType.parseMediaType("video/mp4");
             case "flv":
@@ -67,8 +81,20 @@ public class FileUtils {
             case "text":
             case "txt":
                 return MediaType.TEXT_PLAIN;
+            case "html":
+                return MediaType.TEXT_HTML;
+            case "md":
+                return MediaType.TEXT_MARKDOWN;
+            case "css":
+                return MediaType.parseMediaType("text/css");
             case "js":
+                return MediaType.parseMediaType("text/javascript");
+            case "xml":
+                return MediaType.TEXT_XML;
+            case "json":
                 return MediaType.APPLICATION_JSON;
+            case "pdf":
+                return MediaType.APPLICATION_PDF;
             default:
                 return MediaType.APPLICATION_OCTET_STREAM;
         }